gsd-2016-1908
Vulnerability from gsd
Modified
2023-12-13 01:21
Details
The client in OpenSSH before 7.2 mishandles failed cookie generation for untrusted X11 forwarding and relies on the local X11 server for access-control decisions, which allows remote X11 clients to trigger a fallback and obtain trusted X11 forwarding privileges by leveraging configuration issues on this X11 server, as demonstrated by lack of the SECURITY extension on this X11 server.
Aliases
Aliases
{ "GSD": { "alias": "CVE-2016-1908", "description": "The client in OpenSSH before 7.2 mishandles failed cookie generation for untrusted X11 forwarding and relies on the local X11 server for access-control decisions, which allows remote X11 clients to trigger a fallback and obtain trusted X11 forwarding privileges by leveraging configuration issues on this X11 server, as demonstrated by lack of the SECURITY extension on this X11 server.", "id": "GSD-2016-1908", "references": [ "https://www.suse.com/security/cve/CVE-2016-1908.html", "https://access.redhat.com/errata/RHSA-2016:0741", "https://access.redhat.com/errata/RHSA-2016:0465", "https://ubuntu.com/security/CVE-2016-1908", "https://alas.aws.amazon.com/cve/html/CVE-2016-1908.html", "https://linux.oracle.com/cve/CVE-2016-1908.html" ] }, "gsd": { "metadata": { "exploitCode": "unknown", "remediation": "unknown", "reportConfidence": "confirmed", "type": "vulnerability" }, "osvSchema": { "aliases": [ "CVE-2016-1908" ], "details": "The client in OpenSSH before 7.2 mishandles failed cookie generation for untrusted X11 forwarding and relies on the local X11 server for access-control decisions, which allows remote X11 clients to trigger a fallback and obtain trusted X11 forwarding privileges by leveraging configuration issues on this X11 server, as demonstrated by lack of the SECURITY extension on this X11 server.", "id": "GSD-2016-1908", "modified": "2023-12-13T01:21:24.455760Z", "schema_version": "1.4.0" } }, "namespaces": { "cve.org": { "CVE_data_meta": { "ASSIGNER": "secalert@redhat.com", "ID": "CVE-2016-1908", "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": "The client in OpenSSH before 7.2 mishandles failed cookie generation for untrusted X11 forwarding and relies on the local X11 server for access-control decisions, which allows remote X11 clients to trigger a fallback and obtain trusted X11 forwarding privileges by leveraging configuration issues on this X11 server, as demonstrated by lack of the SECURITY extension on this X11 server." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "n/a" } ] } ] }, "references": { "reference_data": [ { "name": "http://www.openssh.com/txt/release-7.2", "refsource": "CONFIRM", "url": "http://www.openssh.com/txt/release-7.2" }, { "name": "http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html", "refsource": "CONFIRM", "url": "http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html" }, { "name": "https://anongit.mindrot.org/openssh.git/commit/?id=ed4ce82dbfa8a3a3c8ea6fa0db113c71e234416c", "refsource": "CONFIRM", "url": "https://anongit.mindrot.org/openssh.git/commit/?id=ed4ce82dbfa8a3a3c8ea6fa0db113c71e234416c" }, { "name": "[oss-security] 20160115 Re: Qualys Security Advisory - Roaming through the OpenSSH client: CVE-2016-0777 and CVE-2016-0778", "refsource": "MLIST", "url": "http://openwall.com/lists/oss-security/2016/01/15/13" }, { "name": "1034705", "refsource": "SECTRACK", "url": "http://www.securitytracker.com/id/1034705" }, { "name": "RHSA-2016:0741", "refsource": "REDHAT", "url": "http://rhn.redhat.com/errata/RHSA-2016-0741.html" }, { "name": "GLSA-201612-18", "refsource": "GENTOO", "url": "https://security.gentoo.org/glsa/201612-18" }, { "name": "https://bugzilla.redhat.com/show_bug.cgi?id=1298741", "refsource": "CONFIRM", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1298741" }, { "name": "[debian-lts-announce] 20180910 [SECURITY] [DLA 1500-1] openssh security update", "refsource": "MLIST", "url": "https://lists.debian.org/debian-lts-announce/2018/09/msg00010.html" }, { "name": "84427", "refsource": "BID", "url": "http://www.securityfocus.com/bid/84427" }, { "name": "RHSA-2016:0465", "refsource": "REDHAT", "url": "http://rhn.redhat.com/errata/RHSA-2016-0465.html" }, { "name": "https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf", "refsource": "CONFIRM", "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf" } ] } }, "nvd.nist.gov": { "configurations": { "CVE_data_version": "4.0", "nodes": [ { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:a:openbsd:openssh:*:*:*:*:*:*:*:*", "cpe_name": [], "versionEndExcluding": "7.2", "vulnerable": true } ], "operator": "OR" }, { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true } ], "operator": "OR" }, { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:o:oracle:linux:6:-:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true }, { "cpe23Uri": "cpe:2.3:o:oracle:linux:7:-:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true } ], "operator": "OR" }, { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true }, { "cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux_server_aus:7.2:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true }, { "cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true }, { "cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux_server_tus:7.2:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true }, { "cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true }, { "cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true }, { "cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true }, { "cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true }, { "cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux_server_tus:7.3:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true }, { "cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux_server_aus:7.3:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true }, { "cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true }, { "cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux_eus:7.3:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true }, { "cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux_eus:7.4:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true }, { "cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux_eus:7.5:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true }, { "cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true }, { "cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true }, { "cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux_eus:7.6:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true }, { "cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux_eus:7.2:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true }, { "cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux_eus:7.7:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true }, { "cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux_server_aus:7.7:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true }, { "cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux_server_tus:7.7:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true } ], "operator": "OR" } ] }, "cve": { "CVE_data_meta": { "ASSIGNER": "secalert@redhat.com", "ID": "CVE-2016-1908" }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "en", "value": "The client in OpenSSH before 7.2 mishandles failed cookie generation for untrusted X11 forwarding and relies on the local X11 server for access-control decisions, which allows remote X11 clients to trigger a fallback and obtain trusted X11 forwarding privileges by leveraging configuration issues on this X11 server, as demonstrated by lack of the SECURITY extension on this X11 server." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "en", "value": "CWE-287" } ] } ] }, "references": { "reference_data": [ { "name": "https://bugzilla.redhat.com/show_bug.cgi?id=1298741", "refsource": "CONFIRM", "tags": [ "Issue Tracking", "Patch", "Third Party Advisory" ], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1298741" }, { "name": "https://anongit.mindrot.org/openssh.git/commit/?id=ed4ce82dbfa8a3a3c8ea6fa0db113c71e234416c", "refsource": "CONFIRM", "tags": [ "Patch", "Third Party Advisory" ], "url": "https://anongit.mindrot.org/openssh.git/commit/?id=ed4ce82dbfa8a3a3c8ea6fa0db113c71e234416c" }, { "name": "http://www.openssh.com/txt/release-7.2", "refsource": "CONFIRM", "tags": [ "Release Notes", "Vendor Advisory" ], "url": "http://www.openssh.com/txt/release-7.2" }, { "name": "[oss-security] 20160115 Re: Qualys Security Advisory - Roaming through the OpenSSH client: CVE-2016-0777 and CVE-2016-0778", "refsource": "MLIST", "tags": [ "Mailing List", "Third Party Advisory" ], "url": "http://openwall.com/lists/oss-security/2016/01/15/13" }, { "name": "84427", "refsource": "BID", "tags": [ "Third Party Advisory", "VDB Entry" ], "url": "http://www.securityfocus.com/bid/84427" }, { "name": "GLSA-201612-18", "refsource": "GENTOO", "tags": [ "Third Party Advisory" ], "url": "https://security.gentoo.org/glsa/201612-18" }, { "name": "1034705", "refsource": "SECTRACK", "tags": [ "Broken Link", "Third Party Advisory", "VDB Entry" ], "url": "http://www.securitytracker.com/id/1034705" }, { "name": "RHSA-2016:0741", "refsource": "REDHAT", "tags": [ "Third Party Advisory" ], "url": "http://rhn.redhat.com/errata/RHSA-2016-0741.html" }, { "name": "RHSA-2016:0465", "refsource": "REDHAT", "tags": [ "Third Party Advisory" ], "url": "http://rhn.redhat.com/errata/RHSA-2016-0465.html" }, { "name": "http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html", "refsource": "CONFIRM", "tags": [ "Third Party Advisory" ], "url": "http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html" }, { "name": "[debian-lts-announce] 20180910 [SECURITY] [DLA 1500-1] openssh security update", "refsource": "MLIST", "tags": [ "Mailing List", "Third Party Advisory" ], "url": "https://lists.debian.org/debian-lts-announce/2018/09/msg00010.html" }, { "name": "https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf", "refsource": "CONFIRM", "tags": [], "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf" } ] } }, "impact": { "baseMetricV2": { "cvssV2": { "accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0" }, "exploitabilityScore": 10.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "severity": "HIGH", "userInteractionRequired": false }, "baseMetricV3": { "cvssV3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1" }, "exploitabilityScore": 3.9, "impactScore": 5.9 } }, "lastModifiedDate": "2022-12-13T12:15Z", "publishedDate": "2017-04-11T18:59Z" } } }
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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.