CVE-2021-3472

CVSS V2 High 7.2 CVSS V3 High 7.8
Description
A flaw was found in xorg-x11-server in versions before 1.20.11. An integer underflow can occur in xserver which can lead to a local privilege escalation. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Overview
  • CVE ID
  • CVE-2021-3472
  • Assigner
  • secalert@redhat.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-04-26T15:15:07
  • Last Modified Date
  • 2021-05-19T12:54:15
Weakness Enumerations
CWE URL
CWE-191 http://cwe.mitre.org/data/definitions/191.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:x.org:x_server:*:*:*:*:*:*:*:* 1 OR 1.20.11
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:L/Au:N/C:C/I:C/A:C
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • COMPLETE
  • Integrity Impact
  • COMPLETE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 7.2
  • Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 10
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 7.8
  • Base Severity
  • HIGH
  • Exploitability Score
  • 1.8
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://lists.x.org/archives/xorg-announce/2021-April/003080.html Mailing List Patch Vendor Advisory
https://seclists.org/oss-sec/2021/q2/20 Mailing List Patch Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-463/ Third Party Advisory VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1944167 Issue Tracking Patch Third Party Advisory
https://www.debian.org/security/2021/dsa-4893 Third Party Advisory
https://www.tenable.com/plugins/nessus/148701 Third Party Advisory
http://www.openwall.com/lists/oss-security/2021/04/13/1 Mailing List Patch Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MO6S5OPXUDYBSRSVWVLFLJ6AFERG4HNY/ Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PEXPCLMVU25AUZTUXC4MYBGPKOAIM5TW/ Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/04/msg00013.html Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MDF7TAJE7NPZPNVOXSD5HBIFLNPUOD2V/ Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/N63KL3T22HNFT4FJ7VMVF6U5Q4RFJIQF/ Mailing List Third Party Advisory
https://gitlab.freedesktop.org/xorg/xserver/-/commit/7aaf54a1884f71dc363f0b884e57bcb67407a6cd Patch Third Party Advisory
https://security.gentoo.org/glsa/202104-02 Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-3472
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3472
History
Created Old Value New Value Data Type Notes
2022-05-10 16:15:40 Added to TrackCVE
2022-12-06 02:48:36 2021-04-26T15:15Z 2021-04-26T15:15:07 CVE Published Date updated
2022-12-06 02:48:36 2021-05-19T12:54:15 CVE Modified Date updated
2022-12-06 02:48:36 Analyzed Vulnerability Status updated