CVE-2020-27347

CVSS V2 Medium 4.6 CVSS V3 High 7.8
Description
In tmux before version 3.1c the function input_csi_dispatch_sgr_colon() in file input.c contained a stack-based buffer-overflow that can be exploited by terminal output.
Overview
  • CVE ID
  • CVE-2020-27347
  • Assigner
  • security@ubuntu.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2020-11-06T03:15:17
  • Last Modified Date
  • 2022-10-18T20:05:59
Weakness Enumerations
CWE URL
CWE-787 http://cwe.mitre.org/data/definitions/787.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:tmux_project:tmux:*:*:*:*:*:*:*:* 1 OR 2.9 3.1b
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://github.com/tmux/tmux/commit/a868bacb46e3c900530bed47a1c6f85b0fbe701c Patch Third Party Advisory
https://www.openwall.com/lists/oss-security/2020/11/05/3 Exploit Mailing List Third Party Advisory
https://security.gentoo.org/glsa/202011-10 Third Party Advisory
https://raw.githubusercontent.com/tmux/tmux/3.1c/CHANGES
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2020-27347
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27347
History
Created Old Value New Value Data Type Notes
2022-05-10 16:19:39 Added to TrackCVE
2022-12-05 16:11:32 2020-11-06T03:15Z 2020-11-06T03:15:17 CVE Published Date updated
2022-12-05 16:11:32 2022-10-18T20:05:59 CVE Modified Date updated
2022-12-05 16:11:32 Analyzed Vulnerability Status updated