CVE-2020-14346

CVSS V2 Medium 4.6 CVSS V3 High 7.8
Description
A flaw was found in xorg-x11-server before 1.20.9. An integer underflow in the X input extension protocol decoding in the X server may lead to arbitrary access of memory contents. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Overview
  • CVE ID
  • CVE-2020-14346
  • Assigner
  • secalert@redhat.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2020-09-15T19:15:12
  • Last Modified Date
  • 2022-11-08T20:04:43
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:xorg-server:*:*:*:*:*:*:*:* 1 OR 1.20.9
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:* 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:P/I:P/A:P
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 4.6
  • Severity
  • MEDIUM
  • Exploitability Score
  • 3.9
  • Impact Score
  • 6.4
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://bugzilla.redhat.com/show_bug.cgi?id=1862246 Issue Tracking Third Party Advisory
https://lists.x.org/archives/xorg-announce/2020-August/003058.html Mailing List Patch Vendor Advisory
https://usn.ubuntu.com/4488-2/ Third Party Advisory
https://security.gentoo.org/glsa/202012-01 Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-20-1417/ Third Party Advisory VDB Entry
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2020-14346
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-14346
History
Created Old Value New Value Data Type Notes
2022-05-10 06:48:21 Added to TrackCVE
2022-12-04 22:40:38 2020-09-15T19:15Z 2020-09-15T19:15:12 CVE Published Date updated
2022-12-04 22:40:38 2022-11-08T20:04:43 CVE Modified Date updated
2022-12-04 22:40:38 Analyzed Vulnerability Status updated