RHSA-2019:3701
Vulnerability from csaf_redhat
Published
2019-11-05 22:28
Modified
2025-03-17 01:13
Summary
Red Hat Security Advisory: curl security and bug fix update
Notes
Topic
An update for curl 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 curl packages provide the libcurl library and the curl utility for downloading files from servers using various protocols, including HTTP, FTP, and LDAP.
Security Fix(es):
* curl: NTLM type-2 heap out-of-bounds buffer read (CVE-2018-16890)
* wget: Information exposure in set_file_metadata function in xattr.c (CVE-2018-20483)
* curl: NTLMv2 type-3 header stack buffer overflow (CVE-2019-3822)
* curl: SMTP end-of-response out-of-bounds read (CVE-2019-3823)
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 8.1 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 © Red Hat, Inc. All rights reserved.", tlp: { label: "WHITE", url: "https://www.first.org/tlp/", }, }, lang: "en", notes: [ { category: "summary", text: "An update for curl 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 curl packages provide the libcurl library and the curl utility for downloading files from servers using various protocols, including HTTP, FTP, and LDAP.\n\nSecurity Fix(es):\n\n* curl: NTLM type-2 heap out-of-bounds buffer read (CVE-2018-16890)\n\n* wget: Information exposure in set_file_metadata function in xattr.c (CVE-2018-20483)\n\n* curl: NTLMv2 type-3 header stack buffer overflow (CVE-2019-3822)\n\n* curl: SMTP end-of-response out-of-bounds read (CVE-2019-3823)\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 8.1 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-2019:3701", url: "https://access.redhat.com/errata/RHSA-2019:3701", }, { 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/8.1_release_notes/", url: "https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.1_release_notes/", }, { category: "external", summary: "1662705", url: "https://bugzilla.redhat.com/show_bug.cgi?id=1662705", }, { category: "external", summary: "1669156", url: "https://bugzilla.redhat.com/show_bug.cgi?id=1669156", }, { category: "external", summary: "1670252", url: "https://bugzilla.redhat.com/show_bug.cgi?id=1670252", }, { category: "external", summary: "1670254", url: "https://bugzilla.redhat.com/show_bug.cgi?id=1670254", }, { category: "external", summary: "1670256", url: "https://bugzilla.redhat.com/show_bug.cgi?id=1670256", }, { category: "self", summary: "Canonical URL", url: "https://security.access.redhat.com/data/csaf/v2/advisories/2019/rhsa-2019_3701.json", }, ], title: "Red Hat Security Advisory: curl security and bug fix update", tracking: { current_release_date: "2025-03-17T01:13:48+00:00", generator: { date: "2025-03-17T01:13:48+00:00", engine: { name: "Red Hat SDEngine", 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category: "default_component_of", full_product_name: { name: "libcurl-minimal-debuginfo-0:7.61.1-11.el8.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)", product_id: "BaseOS-8.1.0:libcurl-minimal-debuginfo-0:7.61.1-11.el8.x86_64", }, product_reference: "libcurl-minimal-debuginfo-0:7.61.1-11.el8.x86_64", relates_to_product_reference: "BaseOS-8.1.0", }, ], }, vulnerabilities: [ { acknowledgments: [ { names: [ "Daniel Stenberg", ], organization: "the Curl project", }, { names: [ "Wenxiang Qian", ], organization: "Tencent Blade Team", summary: "Acknowledged by upstream.", }, ], cve: "CVE-2018-16890", cwe: { id: "CWE-190", name: "Integer Overflow or Wraparound", }, discovery_date: "2019-01-28T00:00:00+00:00", ids: [ { system_name: "Red Hat Bugzilla ID", text: "1670252", }, ], notes: [ { category: "description", text: "An out-of-bounds read flaw was found in the way curl handled NTLMv2 type-2 headers. When connecting to a remote malicious server which uses NTLM authentication, the flaw could cause curl to crash.", title: "Vulnerability description", }, { category: "summary", text: "curl: NTLM type-2 heap out-of-bounds buffer read", title: "Vulnerability summary", }, { category: "other", text: "The versions of curl package shipped with Red Hat Enterprise Linux 5, 6, and 7 do not support NTLMv2 type-2 headers, hence they 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's status, and are included for informational purposes to better understand the severity of this vulnerability.", title: "CVSS score applicability", }, ], product_status: { fixed: [ "BaseOS-8.1.0:curl-0:7.61.1-11.el8.aarch64", "BaseOS-8.1.0:curl-0:7.61.1-11.el8.ppc64le", "BaseOS-8.1.0:curl-0:7.61.1-11.el8.s390x", "BaseOS-8.1.0:curl-0:7.61.1-11.el8.src", "BaseOS-8.1.0:curl-0:7.61.1-11.el8.x86_64", 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"vendor_fix", date: "2019-11-05T22:28:38+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-8.1.0:curl-0:7.61.1-11.el8.aarch64", "BaseOS-8.1.0:curl-0:7.61.1-11.el8.ppc64le", "BaseOS-8.1.0:curl-0:7.61.1-11.el8.s390x", "BaseOS-8.1.0:curl-0:7.61.1-11.el8.src", "BaseOS-8.1.0:curl-0:7.61.1-11.el8.x86_64", "BaseOS-8.1.0:curl-debuginfo-0:7.61.1-11.el8.aarch64", "BaseOS-8.1.0:curl-debuginfo-0:7.61.1-11.el8.i686", "BaseOS-8.1.0:curl-debuginfo-0:7.61.1-11.el8.ppc64le", "BaseOS-8.1.0:curl-debuginfo-0:7.61.1-11.el8.s390x", "BaseOS-8.1.0:curl-debuginfo-0:7.61.1-11.el8.x86_64", "BaseOS-8.1.0:curl-debugsource-0:7.61.1-11.el8.aarch64", "BaseOS-8.1.0:curl-debugsource-0:7.61.1-11.el8.i686", "BaseOS-8.1.0:curl-debugsource-0:7.61.1-11.el8.ppc64le", "BaseOS-8.1.0:curl-debugsource-0:7.61.1-11.el8.s390x", "BaseOS-8.1.0:curl-debugsource-0:7.61.1-11.el8.x86_64", 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"BaseOS-8.1.0:libcurl-minimal-debuginfo-0:7.61.1-11.el8.i686", "BaseOS-8.1.0:libcurl-minimal-debuginfo-0:7.61.1-11.el8.ppc64le", "BaseOS-8.1.0:libcurl-minimal-debuginfo-0:7.61.1-11.el8.s390x", "BaseOS-8.1.0:libcurl-minimal-debuginfo-0:7.61.1-11.el8.x86_64", ], }, ], threats: [ { category: "impact", details: "Moderate", }, ], title: "curl: NTLM type-2 heap out-of-bounds buffer read", }, { cve: "CVE-2018-20483", cwe: { id: "CWE-200", name: "Exposure of Sensitive Information to an Unauthorized Actor", }, discovery_date: "2018-12-26T00:00:00+00:00", ids: [ { system_name: "Red Hat Bugzilla ID", text: "1662705", }, ], notes: [ { category: "description", text: "set_file_metadata in xattr.c in GNU Wget before 1.20.1 stores a file's origin URL in the user.xdg.origin.url metadata attribute of the extended attributes of the downloaded file, which allows local users to obtain sensitive information (e.g., credentials contained in the URL) by reading this attribute, as demonstrated by getfattr. This also applies to Referer information in the user.xdg.referrer.url metadata attribute. According to 2016-07-22 in the Wget ChangeLog, user.xdg.origin.url was partially based on the behavior of fwrite_xattr in tool_xattr.c in curl.", title: "Vulnerability description", }, { category: "summary", text: "wget: Information exposure in set_file_metadata function in xattr.c", title: "Vulnerability summary", }, { category: "general", text: "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", title: "CVSS score applicability", }, ], product_status: { fixed: [ "BaseOS-8.1.0:curl-0:7.61.1-11.el8.aarch64", "BaseOS-8.1.0:curl-0:7.61.1-11.el8.ppc64le", "BaseOS-8.1.0:curl-0:7.61.1-11.el8.s390x", "BaseOS-8.1.0:curl-0:7.61.1-11.el8.src", "BaseOS-8.1.0:curl-0:7.61.1-11.el8.x86_64", "BaseOS-8.1.0:curl-debuginfo-0:7.61.1-11.el8.aarch64", "BaseOS-8.1.0:curl-debuginfo-0:7.61.1-11.el8.i686", "BaseOS-8.1.0:curl-debuginfo-0:7.61.1-11.el8.ppc64le", 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"2019-01-28T00:00:00+00:00", ids: [ { system_name: "Red Hat Bugzilla ID", text: "1670254", }, ], notes: [ { category: "description", text: "A stack-based buffer overflow was found in the way curl handled NTLMv2 type-3 headers. When connecting to a remote malicious server which uses NTLM authentication, the flaw could cause curl to crash.", title: "Vulnerability description", }, { category: "summary", text: "curl: NTLMv2 type-3 header stack buffer overflow", title: "Vulnerability summary", }, { category: "other", text: "The versions of curl package shipped with Red Hat Enterprise Linux 5, 6, and 7 do not support NTLMv2 type-3 headers, hence they 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's status, and are included for informational purposes to better understand the severity of this vulnerability.", title: "CVSS score applicability", }, ], product_status: { fixed: [ "BaseOS-8.1.0:curl-0:7.61.1-11.el8.aarch64", "BaseOS-8.1.0:curl-0:7.61.1-11.el8.ppc64le", "BaseOS-8.1.0:curl-0:7.61.1-11.el8.s390x", "BaseOS-8.1.0:curl-0:7.61.1-11.el8.src", "BaseOS-8.1.0:curl-0:7.61.1-11.el8.x86_64", 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"vendor_fix", date: "2019-11-05T22:28:38+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-8.1.0:curl-0:7.61.1-11.el8.aarch64", "BaseOS-8.1.0:curl-0:7.61.1-11.el8.ppc64le", "BaseOS-8.1.0:curl-0:7.61.1-11.el8.s390x", "BaseOS-8.1.0:curl-0:7.61.1-11.el8.src", "BaseOS-8.1.0:curl-0:7.61.1-11.el8.x86_64", "BaseOS-8.1.0:curl-debuginfo-0:7.61.1-11.el8.aarch64", "BaseOS-8.1.0:curl-debuginfo-0:7.61.1-11.el8.i686", "BaseOS-8.1.0:curl-debuginfo-0:7.61.1-11.el8.ppc64le", "BaseOS-8.1.0:curl-debuginfo-0:7.61.1-11.el8.s390x", "BaseOS-8.1.0:curl-debuginfo-0:7.61.1-11.el8.x86_64", "BaseOS-8.1.0:curl-debugsource-0:7.61.1-11.el8.aarch64", "BaseOS-8.1.0:curl-debugsource-0:7.61.1-11.el8.i686", "BaseOS-8.1.0:curl-debugsource-0:7.61.1-11.el8.ppc64le", "BaseOS-8.1.0:curl-debugsource-0:7.61.1-11.el8.s390x", "BaseOS-8.1.0:curl-debugsource-0:7.61.1-11.el8.x86_64", 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A remote attacker could use this flaw to crash curl.", title: "Vulnerability description", }, { category: "summary", text: "curl: SMTP end-of-response out-of-bounds read", title: "Vulnerability summary", }, { category: "general", text: "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", title: "CVSS score applicability", }, ], product_status: { fixed: [ "BaseOS-8.1.0:curl-0:7.61.1-11.el8.aarch64", "BaseOS-8.1.0:curl-0:7.61.1-11.el8.ppc64le", "BaseOS-8.1.0:curl-0:7.61.1-11.el8.s390x", "BaseOS-8.1.0:curl-0:7.61.1-11.el8.src", "BaseOS-8.1.0:curl-0:7.61.1-11.el8.x86_64", "BaseOS-8.1.0:curl-debuginfo-0:7.61.1-11.el8.aarch64", "BaseOS-8.1.0:curl-debuginfo-0:7.61.1-11.el8.i686", "BaseOS-8.1.0:curl-debuginfo-0:7.61.1-11.el8.ppc64le", "BaseOS-8.1.0:curl-debuginfo-0:7.61.1-11.el8.s390x", "BaseOS-8.1.0:curl-debuginfo-0:7.61.1-11.el8.x86_64", 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category: "self", summary: "Canonical URL", url: "https://access.redhat.com/security/cve/CVE-2019-3823", }, { category: "external", summary: "RHBZ#1670256", url: "https://bugzilla.redhat.com/show_bug.cgi?id=1670256", }, { category: "external", summary: "https://www.cve.org/CVERecord?id=CVE-2019-3823", url: "https://www.cve.org/CVERecord?id=CVE-2019-3823", }, { category: "external", summary: "https://nvd.nist.gov/vuln/detail/CVE-2019-3823", url: "https://nvd.nist.gov/vuln/detail/CVE-2019-3823", }, { category: "external", summary: "https://curl.haxx.se/docs/CVE-2019-3823.html", url: "https://curl.haxx.se/docs/CVE-2019-3823.html", }, ], release_date: "2019-02-06T00:00:00+00:00", remediations: [ { category: "vendor_fix", date: "2019-11-05T22:28:38+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-8.1.0:curl-0:7.61.1-11.el8.aarch64", 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"BaseOS-8.1.0:libcurl-minimal-debuginfo-0:7.61.1-11.el8.s390x", "BaseOS-8.1.0:libcurl-minimal-debuginfo-0:7.61.1-11.el8.x86_64", ], }, ], threats: [ { category: "impact", details: "Low", }, ], title: "curl: SMTP end-of-response out-of-bounds read", }, ], }
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Sightings
| Author | Source | Type | Date |
|---|
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.