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cve-2018-1000858
Vulnerability from cvelistv5
Published
2018-12-20 16:00
Modified
2024-08-05 12:47
Severity ?
EPSS score ?
Summary
GnuPG version 2.1.12 - 2.2.11 contains a Cross ite Request Forgery (CSRF) vulnerability in dirmngr that can result in Attacker controlled CSRF, Information Disclosure, DoS. This attack appear to be exploitable via Victim must perform a WKD request, e.g. enter an email address in the composer window of Thunderbird/Enigmail. This vulnerability appears to have been fixed in after commit 4a4bb874f63741026bd26264c43bb32b1099f060.
References
▼ | URL | Tags | |
---|---|---|---|
cve@mitre.org | https://sektioneins.de/en/advisories/advisory-012018-gnupg-wkd.html | Exploit, Third Party Advisory | |
cve@mitre.org | https://sektioneins.de/en/blog/18-11-23-gnupg-wkd.html | Third Party Advisory | |
cve@mitre.org | https://usn.ubuntu.com/3853-1/ | Third Party Advisory | |
af854a3a-2127-422b-91ae-364da2661108 | https://sektioneins.de/en/advisories/advisory-012018-gnupg-wkd.html | Exploit, Third Party Advisory | |
af854a3a-2127-422b-91ae-364da2661108 | https://sektioneins.de/en/blog/18-11-23-gnupg-wkd.html | Third Party Advisory | |
af854a3a-2127-422b-91ae-364da2661108 | https://usn.ubuntu.com/3853-1/ | Third Party Advisory |
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cve-2018-1000858
Vulnerability from fkie_nvd
Published
2018-12-20 17:29
Modified
2024-11-21 03:40
Severity ?
Summary
GnuPG version 2.1.12 - 2.2.11 contains a Cross ite Request Forgery (CSRF) vulnerability in dirmngr that can result in Attacker controlled CSRF, Information Disclosure, DoS. This attack appear to be exploitable via Victim must perform a WKD request, e.g. enter an email address in the composer window of Thunderbird/Enigmail. This vulnerability appears to have been fixed in after commit 4a4bb874f63741026bd26264c43bb32b1099f060.
References
▼ | URL | Tags | |
---|---|---|---|
cve@mitre.org | https://sektioneins.de/en/advisories/advisory-012018-gnupg-wkd.html | Exploit, Third Party Advisory | |
cve@mitre.org | https://sektioneins.de/en/blog/18-11-23-gnupg-wkd.html | Third Party Advisory | |
cve@mitre.org | https://usn.ubuntu.com/3853-1/ | Third Party Advisory | |
af854a3a-2127-422b-91ae-364da2661108 | https://sektioneins.de/en/advisories/advisory-012018-gnupg-wkd.html | Exploit, Third Party Advisory | |
af854a3a-2127-422b-91ae-364da2661108 | https://sektioneins.de/en/blog/18-11-23-gnupg-wkd.html | Third Party Advisory | |
af854a3a-2127-422b-91ae-364da2661108 | https://usn.ubuntu.com/3853-1/ | Third Party Advisory |
Impacted products
Vendor | Product | Version | |
---|---|---|---|
gnupg | gnupg | * | |
canonical | ubuntu_linux | 18.04 | |
canonical | ubuntu_linux | 18.10 |
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gsd-2018-1000858
Vulnerability from gsd
Modified
2023-12-13 01:22
Details
GnuPG version 2.1.12 - 2.2.11 contains a Cross ite Request Forgery (CSRF) vulnerability in dirmngr that can result in Attacker controlled CSRF, Information Disclosure, DoS. This attack appear to be exploitable via Victim must perform a WKD request, e.g. enter an email address in the composer window of Thunderbird/Enigmail. This vulnerability appears to have been fixed in after commit 4a4bb874f63741026bd26264c43bb32b1099f060.
Aliases
Aliases
{ "GSD": { "alias": "CVE-2018-1000858", "description": "GnuPG version 2.1.12 - 2.2.11 contains a Cross ite Request Forgery (CSRF) vulnerability in dirmngr that can result in Attacker controlled CSRF, Information Disclosure, DoS. This attack appear to be exploitable via Victim must perform a WKD request, e.g. enter an email address in the composer window of Thunderbird/Enigmail. This vulnerability appears to have been fixed in after commit 4a4bb874f63741026bd26264c43bb32b1099f060.", "id": "GSD-2018-1000858", "references": [ "https://www.suse.com/security/cve/CVE-2018-1000858.html", "https://access.redhat.com/errata/RHSA-2020:4490", "https://ubuntu.com/security/CVE-2018-1000858", "https://advisories.mageia.org/CVE-2018-1000858.html" ] }, "gsd": { "metadata": { "exploitCode": "unknown", "remediation": "unknown", "reportConfidence": "confirmed", "type": "vulnerability" }, "osvSchema": { "aliases": [ "CVE-2018-1000858" ], "details": "GnuPG version 2.1.12 - 2.2.11 contains a Cross ite Request Forgery (CSRF) vulnerability in dirmngr that can result in Attacker controlled CSRF, Information Disclosure, DoS. This attack appear to be exploitable via Victim must perform a WKD request, e.g. enter an email address in the composer window of Thunderbird/Enigmail. This vulnerability appears to have been fixed in after commit 4a4bb874f63741026bd26264c43bb32b1099f060.", "id": "GSD-2018-1000858", "modified": "2023-12-13T01:22:27.723645Z", "schema_version": "1.4.0" } }, "namespaces": { "cve.org": { "CVE_data_meta": { "ASSIGNER": "cve@mitre.org", "ID": "CVE-2018-1000858", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "n/a", "version": { "version_data": [ { "version_value": "n/a" } ] } } ] }, "vendor_name": "n/a" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "GnuPG version 2.1.12 - 2.2.11 contains a Cross ite Request Forgery (CSRF) vulnerability in dirmngr that can result in Attacker controlled CSRF, Information Disclosure, DoS. This attack appear to be exploitable via Victim must perform a WKD request, e.g. enter an email address in the composer window of Thunderbird/Enigmail. This vulnerability appears to have been fixed in after commit 4a4bb874f63741026bd26264c43bb32b1099f060." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "n/a" } ] } ] }, "references": { "reference_data": [ { "name": "https://sektioneins.de/en/blog/18-11-23-gnupg-wkd.html", "refsource": "MISC", "url": "https://sektioneins.de/en/blog/18-11-23-gnupg-wkd.html" }, { "name": "USN-3853-1", "refsource": "UBUNTU", "url": "https://usn.ubuntu.com/3853-1/" }, { "name": "https://sektioneins.de/en/advisories/advisory-012018-gnupg-wkd.html", "refsource": "MISC", "url": "https://sektioneins.de/en/advisories/advisory-012018-gnupg-wkd.html" } ] } }, "nvd.nist.gov": { "configurations": { "CVE_data_version": "4.0", "nodes": [ { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:a:gnupg:gnupg:*:*:*:*:*:*:*:*", "cpe_name": [], "versionEndIncluding": "2.2.11", "versionStartIncluding": "2.1.12", "vulnerable": true } ], "operator": "OR" }, { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true }, { "cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*", "cpe_name": [], "vulnerable": true } ], "operator": "OR" } ] }, "cve": { "CVE_data_meta": { "ASSIGNER": "cve@mitre.org", "ID": "CVE-2018-1000858" }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "en", "value": "GnuPG version 2.1.12 - 2.2.11 contains a Cross ite Request Forgery (CSRF) vulnerability in dirmngr that can result in Attacker controlled CSRF, Information Disclosure, DoS. This attack appear to be exploitable via Victim must perform a WKD request, e.g. enter an email address in the composer window of Thunderbird/Enigmail. This vulnerability appears to have been fixed in after commit 4a4bb874f63741026bd26264c43bb32b1099f060." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "en", "value": "CWE-352" } ] } ] }, "references": { "reference_data": [ { "name": "https://sektioneins.de/en/blog/18-11-23-gnupg-wkd.html", "refsource": "MISC", "tags": [ "Third Party Advisory" ], "url": "https://sektioneins.de/en/blog/18-11-23-gnupg-wkd.html" }, { "name": "https://sektioneins.de/en/advisories/advisory-012018-gnupg-wkd.html", "refsource": "MISC", "tags": [ "Exploit", "Third Party Advisory" ], "url": "https://sektioneins.de/en/advisories/advisory-012018-gnupg-wkd.html" }, { "name": "USN-3853-1", "refsource": "UBUNTU", "tags": [ "Third Party Advisory" ], "url": "https://usn.ubuntu.com/3853-1/" } ] } }, "impact": { "baseMetricV2": { "acInsufInfo": false, "cvssV2": { "accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 6.8, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0" }, "exploitabilityScore": 8.6, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "severity": "MEDIUM", "userInteractionRequired": true }, "baseMetricV3": { "cvssV3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.0" }, "exploitabilityScore": 2.8, "impactScore": 5.9 } }, "lastModifiedDate": "2019-02-13T16:43Z", "publishedDate": "2018-12-20T17:29Z" } } }
RHSA-2020:4490
Vulnerability from csaf_redhat
Published
2020-11-04 02:10
Modified
2024-11-22 15:02
Summary
Red Hat Security Advisory: gnupg2 security, bug fix, and enhancement update
Notes
Topic
An update for gnupg2 is now available for Red Hat Enterprise Linux 8.
Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
The GNU Privacy Guard (GnuPG or GPG) is a tool for encrypting data and creating digital signatures, compliant with OpenPGP and S/MIME standards.
The following packages have been upgraded to a later upstream version: gnupg2 (2.2.20). (BZ#1663944)
Security Fix(es):
* GnuPG: interaction between the sks-keyserver code and GnuPG allows for a Certificate Spamming Attack which leads to persistent DoS (CVE-2019-13050)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Additional Changes:
For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.3 Release Notes linked from the References section.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
{ "document": { "aggregate_severity": { "namespace": "https://access.redhat.com/security/updates/classification/", "text": "Moderate" }, "category": "csaf_security_advisory", "csaf_version": "2.0", "distribution": { "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.", "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en", "notes": [ { "category": "summary", "text": "An update for gnupg2 is now available for Red Hat Enterprise Linux 8.\n\nRed Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.", "title": "Topic" }, { "category": "general", "text": "The GNU Privacy Guard (GnuPG or GPG) is a tool for encrypting data and creating digital signatures, compliant with OpenPGP and S/MIME standards.\n\nThe following packages have been upgraded to a later upstream version: gnupg2 (2.2.20). (BZ#1663944)\n\nSecurity Fix(es):\n\n* GnuPG: interaction between the sks-keyserver code and GnuPG allows for a Certificate Spamming Attack which leads to persistent DoS (CVE-2019-13050)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the Red Hat Enterprise Linux 8.3 Release Notes linked from the References section.", "title": "Details" }, { "category": "legal_disclaimer", "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.", "title": "Terms of Use" } ], "publisher": { "category": "vendor", "contact_details": "https://access.redhat.com/security/team/contact/", "issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.", "name": "Red Hat Product Security", "namespace": "https://www.redhat.com" }, "references": [ { "category": "self", "summary": "https://access.redhat.com/errata/RHSA-2020:4490", "url": "https://access.redhat.com/errata/RHSA-2020:4490" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#moderate", "url": "https://access.redhat.com/security/updates/classification/#moderate" }, { "category": "external", "summary": "https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.3_release_notes/", "url": "https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.3_release_notes/" }, { "category": "external", "summary": "1726146", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1726146" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2020/rhsa-2020_4490.json" } ], "title": "Red Hat Security Advisory: gnupg2 security, bug fix, and enhancement update", "tracking": { "current_release_date": "2024-11-22T15:02:20+00:00", "generator": { "date": "2024-11-22T15:02:20+00:00", "engine": { "name": "Red Hat SDEngine", "version": "4.2.1" } }, "id": "RHSA-2020:4490", "initial_release_date": "2020-11-04T02:10:59+00:00", "revision_history": [ { "date": "2020-11-04T02:10:59+00:00", "number": "1", "summary": "Initial version" }, { "date": "2020-11-04T02:11:00+00:00", "number": "2", "summary": "Last updated version" }, { "date": "2024-11-22T15:02:20+00:00", "number": "3", "summary": "Last generated version" } 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"cve": "CVE-2018-1000858", "cwe": { "id": "CWE-352", "name": "Cross-Site Request Forgery (CSRF)" }, "discovery_date": "2018-12-27T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1663917" } ], "notes": [ { "category": "description", "text": "GnuPG version 2.1.12 - 2.2.11 contains a Cross ite Request Forgery (CSRF) vulnerability in dirmngr that can result in Attacker controlled CSRF, Information Disclosure, DoS. This attack appear to be exploitable via Victim must perform a WKD request, e.g. enter an email address in the composer window of Thunderbird/Enigmail. This vulnerability appears to have been fixed in after commit 4a4bb874f63741026bd26264c43bb32b1099f060.", "title": "Vulnerability description" }, { "category": "summary", "text": "gnupg2: Cross site request forgery in dirmngr resulting in an information disclosure or denial of service", "title": "Vulnerability summary" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.src", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.x86_64", "BaseOS-8.3.0.GA:gnupg2-debuginfo-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-debuginfo-0:2.2.20-2.el8.ppc64le", 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"summary": "RHBZ#1663917", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1663917" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2018-1000858", "url": "https://www.cve.org/CVERecord?id=CVE-2018-1000858" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2018-1000858", "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-1000858" } ], "release_date": "2018-11-23T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2020-11-04T02:10:59+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258", "product_ids": [ "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.src", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.x86_64", 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"https://access.redhat.com/errata/RHSA-2020:4490" } ], "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L", "version": "3.0" }, "products": [ "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.src", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.x86_64", "BaseOS-8.3.0.GA:gnupg2-debuginfo-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-debuginfo-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-debuginfo-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-debuginfo-0:2.2.20-2.el8.x86_64", "BaseOS-8.3.0.GA:gnupg2-debugsource-0:2.2.20-2.el8.aarch64", 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"2019-07-01T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1726146" } ], "notes": [ { "category": "description", "text": "Interaction between the sks-keyserver code through 1.2.0 of the SKS keyserver network, and GnuPG through 2.2.16, makes it risky to have a GnuPG keyserver configuration line referring to a host on the SKS keyserver network. Retrieving data from this network may cause a persistent denial of service, because of a Certificate Spamming Attack.", "title": "Vulnerability description" }, { "category": "summary", "text": "GnuPG: interaction between the sks-keyserver code and GnuPG allows for a Certificate Spamming Attack which leads to persistent DoS", "title": "Vulnerability summary" }, { "category": "other", "text": "This is a certificate spamming attack, against key servers which use the sks-keyserver software. Attackers were able to poison some certificates in the SKS keyserver network. When GnuPG users import these certificate their installations will break. Currently there is no patch available for GnuPG. Users are encouraged to apply the mitigation mentioned on this page. Lastly there is no way to currently detect which certificates have been poisoned. \n\nUsers of GnuPG who import only locally created certificates or those created within their infrastructure and later use them for verification etc are not affected by this flaw.", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.src", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.x86_64", "BaseOS-8.3.0.GA:gnupg2-debuginfo-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-debuginfo-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-debuginfo-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-debuginfo-0:2.2.20-2.el8.x86_64", "BaseOS-8.3.0.GA:gnupg2-debugsource-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-debugsource-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-debugsource-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-debugsource-0:2.2.20-2.el8.x86_64", "BaseOS-8.3.0.GA:gnupg2-smime-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-smime-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-smime-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-smime-0:2.2.20-2.el8.x86_64", "BaseOS-8.3.0.GA:gnupg2-smime-debuginfo-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-smime-debuginfo-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-smime-debuginfo-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-smime-debuginfo-0:2.2.20-2.el8.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2019-13050" }, { "category": "external", "summary": "RHBZ#1726146", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1726146" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2019-13050", "url": "https://www.cve.org/CVERecord?id=CVE-2019-13050" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2019-13050", "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-13050" }, { "category": "external", "summary": "https://access.redhat.com/articles/4264021", "url": "https://access.redhat.com/articles/4264021" }, { "category": "external", "summary": "https://gist.github.com/rjhansen/67ab921ffb4084c865b3618d6955275f", "url": "https://gist.github.com/rjhansen/67ab921ffb4084c865b3618d6955275f" } ], "release_date": "2019-06-29T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2020-11-04T02:10:59+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258", "product_ids": [ "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.src", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.x86_64", "BaseOS-8.3.0.GA:gnupg2-debuginfo-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-debuginfo-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-debuginfo-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-debuginfo-0:2.2.20-2.el8.x86_64", "BaseOS-8.3.0.GA:gnupg2-debugsource-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-debugsource-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-debugsource-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-debugsource-0:2.2.20-2.el8.x86_64", "BaseOS-8.3.0.GA:gnupg2-smime-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-smime-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-smime-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-smime-0:2.2.20-2.el8.x86_64", "BaseOS-8.3.0.GA:gnupg2-smime-debuginfo-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-smime-debuginfo-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-smime-debuginfo-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-smime-debuginfo-0:2.2.20-2.el8.x86_64" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2020:4490" }, { "category": "workaround", "details": "As per upstream: High-risk users should stop using the keyserver network immediately.\n\n1. Open ~/.gnupg/gpg.conf in a text editor. Ensure there is no line starting with keyserver. If there is, remove it.\n2. Open ~/.gnupg/dirmngr.conf in a text editor. Add the line \"keyserver hkps://keys.openpgp.org\" to the end of it.\n\nkeys.openpgp.org is a new experimental keyserver which is not part of the keyserver network and has some features which make it resistant to this attack. It is not a drop-in replacement: it has some limitations (for instance, its search functionality is sharply constrained). However, once you make this change you will be able to run gpg --refresh-keys with confidence.\n\nFor installations which are currently rendered unusable by this attack, the following repair method is advised:\n1. If you know which certificate is likely poisoned, try deleting it. Once the installation becomes usable again, you can acquire a new unpoisoned copy of the certificate and re-import it.\n2. If you do not know which certificate is poisoned, best option is to get a list of all your certificate IDs, delete your keyrings completely, and rebuild from scratch using known-good copies of the public certificates.", "product_ids": [ "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.src", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.x86_64", "BaseOS-8.3.0.GA:gnupg2-debuginfo-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-debuginfo-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-debuginfo-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-debuginfo-0:2.2.20-2.el8.x86_64", "BaseOS-8.3.0.GA:gnupg2-debugsource-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-debugsource-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-debugsource-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-debugsource-0:2.2.20-2.el8.x86_64", "BaseOS-8.3.0.GA:gnupg2-smime-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-smime-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-smime-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-smime-0:2.2.20-2.el8.x86_64", "BaseOS-8.3.0.GA:gnupg2-smime-debuginfo-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-smime-debuginfo-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-smime-debuginfo-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-smime-debuginfo-0:2.2.20-2.el8.x86_64" ] } ], "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "version": "3.0" }, "products": [ "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.src", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.x86_64", "BaseOS-8.3.0.GA:gnupg2-debuginfo-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-debuginfo-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-debuginfo-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-debuginfo-0:2.2.20-2.el8.x86_64", "BaseOS-8.3.0.GA:gnupg2-debugsource-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-debugsource-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-debugsource-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-debugsource-0:2.2.20-2.el8.x86_64", "BaseOS-8.3.0.GA:gnupg2-smime-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-smime-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-smime-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-smime-0:2.2.20-2.el8.x86_64", "BaseOS-8.3.0.GA:gnupg2-smime-debuginfo-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-smime-debuginfo-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-smime-debuginfo-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-smime-debuginfo-0:2.2.20-2.el8.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Moderate" } ], "title": "GnuPG: interaction between the sks-keyserver code and GnuPG allows for a Certificate Spamming Attack which leads to persistent DoS" } ] }
rhsa-2020:4490
Vulnerability from csaf_redhat
Published
2020-11-04 02:10
Modified
2024-11-22 15:02
Summary
Red Hat Security Advisory: gnupg2 security, bug fix, and enhancement update
Notes
Topic
An update for gnupg2 is now available for Red Hat Enterprise Linux 8.
Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
The GNU Privacy Guard (GnuPG or GPG) is a tool for encrypting data and creating digital signatures, compliant with OpenPGP and S/MIME standards.
The following packages have been upgraded to a later upstream version: gnupg2 (2.2.20). (BZ#1663944)
Security Fix(es):
* GnuPG: interaction between the sks-keyserver code and GnuPG allows for a Certificate Spamming Attack which leads to persistent DoS (CVE-2019-13050)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Additional Changes:
For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.3 Release Notes linked from the References section.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
{ "document": { "aggregate_severity": { "namespace": "https://access.redhat.com/security/updates/classification/", "text": "Moderate" }, "category": "csaf_security_advisory", "csaf_version": "2.0", "distribution": { "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.", "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en", "notes": [ { "category": "summary", "text": "An update for gnupg2 is now available for Red Hat Enterprise Linux 8.\n\nRed Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.", "title": "Topic" }, { "category": "general", "text": "The GNU Privacy Guard (GnuPG or GPG) is a tool for encrypting data and creating digital signatures, compliant with OpenPGP and S/MIME standards.\n\nThe following packages have been upgraded to a later upstream version: gnupg2 (2.2.20). (BZ#1663944)\n\nSecurity Fix(es):\n\n* GnuPG: interaction between the sks-keyserver code and GnuPG allows for a Certificate Spamming Attack which leads to persistent DoS (CVE-2019-13050)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the Red Hat Enterprise Linux 8.3 Release Notes linked from the References section.", "title": "Details" }, { "category": "legal_disclaimer", "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.", "title": "Terms of Use" } ], "publisher": { "category": "vendor", "contact_details": "https://access.redhat.com/security/team/contact/", "issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.", "name": "Red Hat Product Security", "namespace": "https://www.redhat.com" }, "references": [ { "category": "self", "summary": "https://access.redhat.com/errata/RHSA-2020:4490", "url": "https://access.redhat.com/errata/RHSA-2020:4490" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#moderate", "url": "https://access.redhat.com/security/updates/classification/#moderate" }, { "category": "external", "summary": "https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.3_release_notes/", "url": "https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.3_release_notes/" }, { "category": "external", "summary": "1726146", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1726146" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2020/rhsa-2020_4490.json" } ], "title": "Red Hat Security Advisory: gnupg2 security, bug fix, and enhancement update", "tracking": { "current_release_date": "2024-11-22T15:02:20+00:00", "generator": { "date": "2024-11-22T15:02:20+00:00", "engine": { "name": "Red Hat SDEngine", "version": "4.2.1" } }, "id": "RHSA-2020:4490", "initial_release_date": "2020-11-04T02:10:59+00:00", "revision_history": [ { "date": "2020-11-04T02:10:59+00:00", "number": "1", "summary": "Initial version" }, { "date": "2020-11-04T02:11:00+00:00", "number": "2", "summary": "Last updated version" }, { "date": "2024-11-22T15:02:20+00:00", "number": "3", "summary": "Last generated version" } 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"cve": "CVE-2018-1000858", "cwe": { "id": "CWE-352", "name": "Cross-Site Request Forgery (CSRF)" }, "discovery_date": "2018-12-27T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1663917" } ], "notes": [ { "category": "description", "text": "GnuPG version 2.1.12 - 2.2.11 contains a Cross ite Request Forgery (CSRF) vulnerability in dirmngr that can result in Attacker controlled CSRF, Information Disclosure, DoS. This attack appear to be exploitable via Victim must perform a WKD request, e.g. enter an email address in the composer window of Thunderbird/Enigmail. This vulnerability appears to have been fixed in after commit 4a4bb874f63741026bd26264c43bb32b1099f060.", "title": "Vulnerability description" }, { "category": "summary", "text": "gnupg2: Cross site request forgery in dirmngr resulting in an information disclosure or denial of service", "title": "Vulnerability summary" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.src", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.x86_64", "BaseOS-8.3.0.GA:gnupg2-debuginfo-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-debuginfo-0:2.2.20-2.el8.ppc64le", 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"summary": "RHBZ#1663917", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1663917" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2018-1000858", "url": "https://www.cve.org/CVERecord?id=CVE-2018-1000858" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2018-1000858", "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-1000858" } ], "release_date": "2018-11-23T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2020-11-04T02:10:59+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258", "product_ids": [ "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.src", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.x86_64", "BaseOS-8.3.0.GA:gnupg2-debuginfo-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-debuginfo-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-debuginfo-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-debuginfo-0:2.2.20-2.el8.x86_64", "BaseOS-8.3.0.GA:gnupg2-debugsource-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-debugsource-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-debugsource-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-debugsource-0:2.2.20-2.el8.x86_64", "BaseOS-8.3.0.GA:gnupg2-smime-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-smime-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-smime-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-smime-0:2.2.20-2.el8.x86_64", "BaseOS-8.3.0.GA:gnupg2-smime-debuginfo-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-smime-debuginfo-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-smime-debuginfo-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-smime-debuginfo-0:2.2.20-2.el8.x86_64" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2020:4490" } ], "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L", "version": "3.0" }, "products": [ "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.src", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.x86_64", "BaseOS-8.3.0.GA:gnupg2-debuginfo-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-debuginfo-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-debuginfo-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-debuginfo-0:2.2.20-2.el8.x86_64", "BaseOS-8.3.0.GA:gnupg2-debugsource-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-debugsource-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-debugsource-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-debugsource-0:2.2.20-2.el8.x86_64", "BaseOS-8.3.0.GA:gnupg2-smime-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-smime-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-smime-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-smime-0:2.2.20-2.el8.x86_64", "BaseOS-8.3.0.GA:gnupg2-smime-debuginfo-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-smime-debuginfo-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-smime-debuginfo-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-smime-debuginfo-0:2.2.20-2.el8.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Moderate" } ], "title": "gnupg2: Cross site request forgery in dirmngr resulting in an information disclosure or denial of service" }, { "cve": "CVE-2019-13050", "cwe": { "id": "CWE-297", "name": "Improper Validation of Certificate with Host Mismatch" }, "discovery_date": "2019-07-01T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1726146" } ], "notes": [ { "category": "description", "text": "Interaction between the sks-keyserver code through 1.2.0 of the SKS keyserver network, and GnuPG through 2.2.16, makes it risky to have a GnuPG keyserver configuration line referring to a host on the SKS keyserver network. Retrieving data from this network may cause a persistent denial of service, because of a Certificate Spamming Attack.", "title": "Vulnerability description" }, { "category": "summary", "text": "GnuPG: interaction between the sks-keyserver code and GnuPG allows for a Certificate Spamming Attack which leads to persistent DoS", "title": "Vulnerability summary" }, { "category": "other", "text": "This is a certificate spamming attack, against key servers which use the sks-keyserver software. Attackers were able to poison some certificates in the SKS keyserver network. When GnuPG users import these certificate their installations will break. Currently there is no patch available for GnuPG. Users are encouraged to apply the mitigation mentioned on this page. Lastly there is no way to currently detect which certificates have been poisoned. \n\nUsers of GnuPG who import only locally created certificates or those created within their infrastructure and later use them for verification etc are not affected by this flaw.", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.src", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.x86_64", "BaseOS-8.3.0.GA:gnupg2-debuginfo-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-debuginfo-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-debuginfo-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-debuginfo-0:2.2.20-2.el8.x86_64", "BaseOS-8.3.0.GA:gnupg2-debugsource-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-debugsource-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-debugsource-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-debugsource-0:2.2.20-2.el8.x86_64", "BaseOS-8.3.0.GA:gnupg2-smime-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-smime-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-smime-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-smime-0:2.2.20-2.el8.x86_64", "BaseOS-8.3.0.GA:gnupg2-smime-debuginfo-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-smime-debuginfo-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-smime-debuginfo-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-smime-debuginfo-0:2.2.20-2.el8.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2019-13050" }, { "category": "external", "summary": "RHBZ#1726146", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1726146" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2019-13050", "url": "https://www.cve.org/CVERecord?id=CVE-2019-13050" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2019-13050", "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-13050" }, { "category": "external", "summary": "https://access.redhat.com/articles/4264021", "url": "https://access.redhat.com/articles/4264021" }, { "category": "external", "summary": "https://gist.github.com/rjhansen/67ab921ffb4084c865b3618d6955275f", "url": "https://gist.github.com/rjhansen/67ab921ffb4084c865b3618d6955275f" } ], "release_date": "2019-06-29T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2020-11-04T02:10:59+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258", "product_ids": [ "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.src", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.x86_64", "BaseOS-8.3.0.GA:gnupg2-debuginfo-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-debuginfo-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-debuginfo-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-debuginfo-0:2.2.20-2.el8.x86_64", "BaseOS-8.3.0.GA:gnupg2-debugsource-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-debugsource-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-debugsource-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-debugsource-0:2.2.20-2.el8.x86_64", "BaseOS-8.3.0.GA:gnupg2-smime-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-smime-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-smime-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-smime-0:2.2.20-2.el8.x86_64", "BaseOS-8.3.0.GA:gnupg2-smime-debuginfo-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-smime-debuginfo-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-smime-debuginfo-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-smime-debuginfo-0:2.2.20-2.el8.x86_64" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2020:4490" }, { "category": "workaround", "details": "As per upstream: High-risk users should stop using the keyserver network immediately.\n\n1. Open ~/.gnupg/gpg.conf in a text editor. Ensure there is no line starting with keyserver. If there is, remove it.\n2. Open ~/.gnupg/dirmngr.conf in a text editor. Add the line \"keyserver hkps://keys.openpgp.org\" to the end of it.\n\nkeys.openpgp.org is a new experimental keyserver which is not part of the keyserver network and has some features which make it resistant to this attack. It is not a drop-in replacement: it has some limitations (for instance, its search functionality is sharply constrained). However, once you make this change you will be able to run gpg --refresh-keys with confidence.\n\nFor installations which are currently rendered unusable by this attack, the following repair method is advised:\n1. If you know which certificate is likely poisoned, try deleting it. Once the installation becomes usable again, you can acquire a new unpoisoned copy of the certificate and re-import it.\n2. If you do not know which certificate is poisoned, best option is to get a list of all your certificate IDs, delete your keyrings completely, and rebuild from scratch using known-good copies of the public certificates.", "product_ids": [ "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.src", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.x86_64", "BaseOS-8.3.0.GA:gnupg2-debuginfo-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-debuginfo-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-debuginfo-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-debuginfo-0:2.2.20-2.el8.x86_64", "BaseOS-8.3.0.GA:gnupg2-debugsource-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-debugsource-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-debugsource-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-debugsource-0:2.2.20-2.el8.x86_64", "BaseOS-8.3.0.GA:gnupg2-smime-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-smime-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-smime-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-smime-0:2.2.20-2.el8.x86_64", "BaseOS-8.3.0.GA:gnupg2-smime-debuginfo-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-smime-debuginfo-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-smime-debuginfo-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-smime-debuginfo-0:2.2.20-2.el8.x86_64" ] } ], "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "version": "3.0" }, "products": [ "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.src", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.x86_64", "BaseOS-8.3.0.GA:gnupg2-debuginfo-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-debuginfo-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-debuginfo-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-debuginfo-0:2.2.20-2.el8.x86_64", "BaseOS-8.3.0.GA:gnupg2-debugsource-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-debugsource-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-debugsource-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-debugsource-0:2.2.20-2.el8.x86_64", "BaseOS-8.3.0.GA:gnupg2-smime-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-smime-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-smime-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-smime-0:2.2.20-2.el8.x86_64", "BaseOS-8.3.0.GA:gnupg2-smime-debuginfo-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-smime-debuginfo-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-smime-debuginfo-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-smime-debuginfo-0:2.2.20-2.el8.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Moderate" } ], "title": "GnuPG: interaction between the sks-keyserver code and GnuPG allows for a Certificate Spamming Attack which leads to persistent DoS" } ] }
rhsa-2020_4490
Vulnerability from csaf_redhat
Published
2020-11-04 02:10
Modified
2024-11-22 15:02
Summary
Red Hat Security Advisory: gnupg2 security, bug fix, and enhancement update
Notes
Topic
An update for gnupg2 is now available for Red Hat Enterprise Linux 8.
Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
The GNU Privacy Guard (GnuPG or GPG) is a tool for encrypting data and creating digital signatures, compliant with OpenPGP and S/MIME standards.
The following packages have been upgraded to a later upstream version: gnupg2 (2.2.20). (BZ#1663944)
Security Fix(es):
* GnuPG: interaction between the sks-keyserver code and GnuPG allows for a Certificate Spamming Attack which leads to persistent DoS (CVE-2019-13050)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Additional Changes:
For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.3 Release Notes linked from the References section.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
{ "document": { "aggregate_severity": { "namespace": "https://access.redhat.com/security/updates/classification/", "text": "Moderate" }, "category": "csaf_security_advisory", "csaf_version": "2.0", "distribution": { "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.", "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en", "notes": [ { "category": "summary", "text": "An update for gnupg2 is now available for Red Hat Enterprise Linux 8.\n\nRed Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.", "title": "Topic" }, { "category": "general", "text": "The GNU Privacy Guard (GnuPG or GPG) is a tool for encrypting data and creating digital signatures, compliant with OpenPGP and S/MIME standards.\n\nThe following packages have been upgraded to a later upstream version: gnupg2 (2.2.20). (BZ#1663944)\n\nSecurity Fix(es):\n\n* GnuPG: interaction between the sks-keyserver code and GnuPG allows for a Certificate Spamming Attack which leads to persistent DoS (CVE-2019-13050)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the Red Hat Enterprise Linux 8.3 Release Notes linked from the References section.", "title": "Details" }, { "category": "legal_disclaimer", "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.", "title": "Terms of Use" } ], "publisher": { "category": "vendor", "contact_details": "https://access.redhat.com/security/team/contact/", "issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.", "name": "Red Hat Product Security", "namespace": "https://www.redhat.com" }, "references": [ { "category": "self", "summary": "https://access.redhat.com/errata/RHSA-2020:4490", "url": "https://access.redhat.com/errata/RHSA-2020:4490" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#moderate", "url": "https://access.redhat.com/security/updates/classification/#moderate" }, { "category": "external", "summary": "https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.3_release_notes/", "url": "https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.3_release_notes/" }, { "category": "external", "summary": "1726146", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1726146" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2020/rhsa-2020_4490.json" } ], "title": "Red Hat Security Advisory: gnupg2 security, bug fix, and enhancement update", "tracking": { "current_release_date": "2024-11-22T15:02:20+00:00", "generator": { "date": "2024-11-22T15:02:20+00:00", "engine": { "name": "Red Hat SDEngine", "version": "4.2.1" } }, "id": "RHSA-2020:4490", "initial_release_date": "2020-11-04T02:10:59+00:00", "revision_history": [ { "date": "2020-11-04T02:10:59+00:00", "number": "1", "summary": "Initial version" }, { "date": "2020-11-04T02:11:00+00:00", "number": "2", "summary": "Last updated version" }, { "date": "2024-11-22T15:02:20+00:00", "number": "3", "summary": "Last generated version" } 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"cve": "CVE-2018-1000858", "cwe": { "id": "CWE-352", "name": "Cross-Site Request Forgery (CSRF)" }, "discovery_date": "2018-12-27T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1663917" } ], "notes": [ { "category": "description", "text": "GnuPG version 2.1.12 - 2.2.11 contains a Cross ite Request Forgery (CSRF) vulnerability in dirmngr that can result in Attacker controlled CSRF, Information Disclosure, DoS. This attack appear to be exploitable via Victim must perform a WKD request, e.g. enter an email address in the composer window of Thunderbird/Enigmail. This vulnerability appears to have been fixed in after commit 4a4bb874f63741026bd26264c43bb32b1099f060.", "title": "Vulnerability description" }, { "category": "summary", "text": "gnupg2: Cross site request forgery in dirmngr resulting in an information disclosure or denial of service", "title": "Vulnerability summary" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.src", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.x86_64", "BaseOS-8.3.0.GA:gnupg2-debuginfo-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-debuginfo-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-debuginfo-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-debuginfo-0:2.2.20-2.el8.x86_64", "BaseOS-8.3.0.GA:gnupg2-debugsource-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-debugsource-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-debugsource-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-debugsource-0:2.2.20-2.el8.x86_64", "BaseOS-8.3.0.GA:gnupg2-smime-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-smime-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-smime-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-smime-0:2.2.20-2.el8.x86_64", "BaseOS-8.3.0.GA:gnupg2-smime-debuginfo-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-smime-debuginfo-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-smime-debuginfo-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-smime-debuginfo-0:2.2.20-2.el8.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2018-1000858" }, { "category": "external", "summary": "RHBZ#1663917", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1663917" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2018-1000858", "url": "https://www.cve.org/CVERecord?id=CVE-2018-1000858" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2018-1000858", "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-1000858" } ], "release_date": "2018-11-23T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2020-11-04T02:10:59+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258", "product_ids": [ "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.src", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.x86_64", "BaseOS-8.3.0.GA:gnupg2-debuginfo-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-debuginfo-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-debuginfo-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-debuginfo-0:2.2.20-2.el8.x86_64", "BaseOS-8.3.0.GA:gnupg2-debugsource-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-debugsource-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-debugsource-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-debugsource-0:2.2.20-2.el8.x86_64", "BaseOS-8.3.0.GA:gnupg2-smime-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-smime-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-smime-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-smime-0:2.2.20-2.el8.x86_64", "BaseOS-8.3.0.GA:gnupg2-smime-debuginfo-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-smime-debuginfo-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-smime-debuginfo-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-smime-debuginfo-0:2.2.20-2.el8.x86_64" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2020:4490" } ], "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L", "version": "3.0" }, "products": [ "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.src", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.x86_64", "BaseOS-8.3.0.GA:gnupg2-debuginfo-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-debuginfo-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-debuginfo-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-debuginfo-0:2.2.20-2.el8.x86_64", "BaseOS-8.3.0.GA:gnupg2-debugsource-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-debugsource-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-debugsource-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-debugsource-0:2.2.20-2.el8.x86_64", "BaseOS-8.3.0.GA:gnupg2-smime-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-smime-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-smime-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-smime-0:2.2.20-2.el8.x86_64", "BaseOS-8.3.0.GA:gnupg2-smime-debuginfo-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-smime-debuginfo-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-smime-debuginfo-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-smime-debuginfo-0:2.2.20-2.el8.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Moderate" } ], "title": "gnupg2: Cross site request forgery in dirmngr resulting in an information disclosure or denial of service" }, { "cve": "CVE-2019-13050", "cwe": { "id": "CWE-297", "name": "Improper Validation of Certificate with Host Mismatch" }, "discovery_date": "2019-07-01T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1726146" } ], "notes": [ { "category": "description", "text": "Interaction between the sks-keyserver code through 1.2.0 of the SKS keyserver network, and GnuPG through 2.2.16, makes it risky to have a GnuPG keyserver configuration line referring to a host on the SKS keyserver network. Retrieving data from this network may cause a persistent denial of service, because of a Certificate Spamming Attack.", "title": "Vulnerability description" }, { "category": "summary", "text": "GnuPG: interaction between the sks-keyserver code and GnuPG allows for a Certificate Spamming Attack which leads to persistent DoS", "title": "Vulnerability summary" }, { "category": "other", "text": "This is a certificate spamming attack, against key servers which use the sks-keyserver software. Attackers were able to poison some certificates in the SKS keyserver network. When GnuPG users import these certificate their installations will break. Currently there is no patch available for GnuPG. Users are encouraged to apply the mitigation mentioned on this page. Lastly there is no way to currently detect which certificates have been poisoned. \n\nUsers of GnuPG who import only locally created certificates or those created within their infrastructure and later use them for verification etc are not affected by this flaw.", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.src", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.x86_64", "BaseOS-8.3.0.GA:gnupg2-debuginfo-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-debuginfo-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-debuginfo-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-debuginfo-0:2.2.20-2.el8.x86_64", "BaseOS-8.3.0.GA:gnupg2-debugsource-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-debugsource-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-debugsource-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-debugsource-0:2.2.20-2.el8.x86_64", "BaseOS-8.3.0.GA:gnupg2-smime-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-smime-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-smime-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-smime-0:2.2.20-2.el8.x86_64", "BaseOS-8.3.0.GA:gnupg2-smime-debuginfo-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-smime-debuginfo-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-smime-debuginfo-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-smime-debuginfo-0:2.2.20-2.el8.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2019-13050" }, { "category": "external", "summary": "RHBZ#1726146", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1726146" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2019-13050", "url": "https://www.cve.org/CVERecord?id=CVE-2019-13050" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2019-13050", "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-13050" }, { "category": "external", "summary": "https://access.redhat.com/articles/4264021", "url": "https://access.redhat.com/articles/4264021" }, { "category": "external", "summary": "https://gist.github.com/rjhansen/67ab921ffb4084c865b3618d6955275f", "url": "https://gist.github.com/rjhansen/67ab921ffb4084c865b3618d6955275f" } ], "release_date": "2019-06-29T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2020-11-04T02:10:59+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258", "product_ids": [ "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.src", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.x86_64", "BaseOS-8.3.0.GA:gnupg2-debuginfo-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-debuginfo-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-debuginfo-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-debuginfo-0:2.2.20-2.el8.x86_64", "BaseOS-8.3.0.GA:gnupg2-debugsource-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-debugsource-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-debugsource-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-debugsource-0:2.2.20-2.el8.x86_64", "BaseOS-8.3.0.GA:gnupg2-smime-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-smime-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-smime-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-smime-0:2.2.20-2.el8.x86_64", "BaseOS-8.3.0.GA:gnupg2-smime-debuginfo-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-smime-debuginfo-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-smime-debuginfo-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-smime-debuginfo-0:2.2.20-2.el8.x86_64" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2020:4490" }, { "category": "workaround", "details": "As per upstream: High-risk users should stop using the keyserver network immediately.\n\n1. Open ~/.gnupg/gpg.conf in a text editor. Ensure there is no line starting with keyserver. If there is, remove it.\n2. Open ~/.gnupg/dirmngr.conf in a text editor. Add the line \"keyserver hkps://keys.openpgp.org\" to the end of it.\n\nkeys.openpgp.org is a new experimental keyserver which is not part of the keyserver network and has some features which make it resistant to this attack. It is not a drop-in replacement: it has some limitations (for instance, its search functionality is sharply constrained). However, once you make this change you will be able to run gpg --refresh-keys with confidence.\n\nFor installations which are currently rendered unusable by this attack, the following repair method is advised:\n1. If you know which certificate is likely poisoned, try deleting it. Once the installation becomes usable again, you can acquire a new unpoisoned copy of the certificate and re-import it.\n2. If you do not know which certificate is poisoned, best option is to get a list of all your certificate IDs, delete your keyrings completely, and rebuild from scratch using known-good copies of the public certificates.", "product_ids": [ "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.src", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.x86_64", "BaseOS-8.3.0.GA:gnupg2-debuginfo-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-debuginfo-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-debuginfo-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-debuginfo-0:2.2.20-2.el8.x86_64", "BaseOS-8.3.0.GA:gnupg2-debugsource-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-debugsource-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-debugsource-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-debugsource-0:2.2.20-2.el8.x86_64", "BaseOS-8.3.0.GA:gnupg2-smime-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-smime-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-smime-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-smime-0:2.2.20-2.el8.x86_64", "BaseOS-8.3.0.GA:gnupg2-smime-debuginfo-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-smime-debuginfo-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-smime-debuginfo-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-smime-debuginfo-0:2.2.20-2.el8.x86_64" ] } ], "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "version": "3.0" }, "products": [ "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.src", "BaseOS-8.3.0.GA:gnupg2-0:2.2.20-2.el8.x86_64", "BaseOS-8.3.0.GA:gnupg2-debuginfo-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-debuginfo-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-debuginfo-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-debuginfo-0:2.2.20-2.el8.x86_64", "BaseOS-8.3.0.GA:gnupg2-debugsource-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-debugsource-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-debugsource-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-debugsource-0:2.2.20-2.el8.x86_64", "BaseOS-8.3.0.GA:gnupg2-smime-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-smime-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-smime-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-smime-0:2.2.20-2.el8.x86_64", "BaseOS-8.3.0.GA:gnupg2-smime-debuginfo-0:2.2.20-2.el8.aarch64", "BaseOS-8.3.0.GA:gnupg2-smime-debuginfo-0:2.2.20-2.el8.ppc64le", "BaseOS-8.3.0.GA:gnupg2-smime-debuginfo-0:2.2.20-2.el8.s390x", "BaseOS-8.3.0.GA:gnupg2-smime-debuginfo-0:2.2.20-2.el8.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Moderate" } ], "title": "GnuPG: interaction between the sks-keyserver code and GnuPG allows for a Certificate Spamming Attack which leads to persistent DoS" } ] }
ghsa-44cw-f8qw-mf2h
Vulnerability from github
Published
2022-05-14 01:34
Modified
2022-05-14 01:34
Severity ?
Details
GnuPG version 2.1.12 - 2.2.11 contains a Cross ite Request Forgery (CSRF) vulnerability in dirmngr that can result in Attacker controlled CSRF, Information Disclosure, DoS. This attack appear to be exploitable via Victim must perform a WKD request, e.g. enter an email address in the composer window of Thunderbird/Enigmail. This vulnerability appears to have been fixed in after commit 4a4bb874f63741026bd26264c43bb32b1099f060.
{ "affected": [], "aliases": [ "CVE-2018-1000858" ], "database_specific": { "cwe_ids": [ "CWE-352" ], "github_reviewed": false, "github_reviewed_at": null, "nvd_published_at": "2018-12-20T17:29:00Z", "severity": "HIGH" }, "details": "GnuPG version 2.1.12 - 2.2.11 contains a Cross ite Request Forgery (CSRF) vulnerability in dirmngr that can result in Attacker controlled CSRF, Information Disclosure, DoS. This attack appear to be exploitable via Victim must perform a WKD request, e.g. enter an email address in the composer window of Thunderbird/Enigmail. This vulnerability appears to have been fixed in after commit 4a4bb874f63741026bd26264c43bb32b1099f060.", "id": "GHSA-44cw-f8qw-mf2h", "modified": "2022-05-14T01:34:20Z", "published": "2022-05-14T01:34:20Z", "references": [ { "type": "ADVISORY", "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-1000858" }, { "type": "WEB", "url": "https://sektioneins.de/en/advisories/advisory-012018-gnupg-wkd.html" }, { "type": "WEB", "url": "https://sektioneins.de/en/blog/18-11-23-gnupg-wkd.html" }, { "type": "WEB", "url": "https://usn.ubuntu.com/3853-1" } ], "schema_version": "1.4.0", "severity": [ { "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "type": "CVSS_V3" } ] }
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Sightings
Author | Source | Type | Date |
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Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.