CVE-2020-27347
"tmux Terminal Buffer Overflow"
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.
INFO
Published Date :
Nov. 6, 2020, 3:15 a.m.
Last Modified :
Nov. 21, 2024, 5:21 a.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
6.0
Exploitability Score :
2.0
Public PoC/Exploit Available at Github
CVE-2020-27347 has a 1 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2020-27347.
| URL | Resource |
|---|---|
| https://github.com/tmux/tmux/commit/a868bacb46e3c900530bed47a1c6f85b0fbe701c | Patch Third Party Advisory |
| https://raw.githubusercontent.com/tmux/tmux/3.1c/CHANGES | Release Notes Third Party Advisory |
| https://security.gentoo.org/glsa/202011-10 | Third Party Advisory |
| https://www.openwall.com/lists/oss-security/2020/11/05/3 | Exploit Mailing List Third Party Advisory |
| https://github.com/tmux/tmux/commit/a868bacb46e3c900530bed47a1c6f85b0fbe701c | Patch Third Party Advisory |
| https://raw.githubusercontent.com/tmux/tmux/3.1c/CHANGES | Release Notes Third Party Advisory |
| https://security.gentoo.org/glsa/202011-10 | Third Party Advisory |
| https://www.openwall.com/lists/oss-security/2020/11/05/3 | Exploit Mailing List Third Party Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Enhanced fuzzing for tmux using OSS-Fuzz. Includes custom `cmd-fuzzer` and `argument-fuzzer` harnesses for improved code coverage and a PoC for `CVE-2020-27347`
exploit-development fuzzing oss-fuzz security software-security tmux vulnerability-analysis cve-2020-27347
Makefile Dockerfile Shell Python HTML Ruby SCSS C Go JavaScript
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2020-27347 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-27347 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://github.com/tmux/tmux/commit/a868bacb46e3c900530bed47a1c6f85b0fbe701c Added Reference https://raw.githubusercontent.com/tmux/tmux/3.1c/CHANGES Added Reference https://security.gentoo.org/glsa/202011-10 Added Reference https://www.openwall.com/lists/oss-security/2020/11/05/3 -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Modified Analysis by [email protected]
Oct. 18, 2022
Action Type Old Value New Value Changed Reference Type https://raw.githubusercontent.com/tmux/tmux/3.1c/CHANGES No Types Assigned https://raw.githubusercontent.com/tmux/tmux/3.1c/CHANGES Release Notes, Third Party Advisory -
CVE Modified by [email protected]
Nov. 17, 2020
Action Type Old Value New Value Changed Description The function input_csi_dispatch_sgr_colon() in file input.c contained a stack-based buffer-overflow that can be exploited by terminal output. 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. Added Reference https://raw.githubusercontent.com/tmux/tmux/3.1c/CHANGES [No Types Assigned] -
Initial Analysis by [email protected]
Nov. 16, 2020
Action Type Old Value New Value Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:P/I:P/A:P) Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://github.com/tmux/tmux/commit/a868bacb46e3c900530bed47a1c6f85b0fbe701c No Types Assigned https://github.com/tmux/tmux/commit/a868bacb46e3c900530bed47a1c6f85b0fbe701c Patch, Third Party Advisory Changed Reference Type https://security.gentoo.org/glsa/202011-10 No Types Assigned https://security.gentoo.org/glsa/202011-10 Third Party Advisory Changed Reference Type https://www.openwall.com/lists/oss-security/2020/11/05/3 No Types Assigned https://www.openwall.com/lists/oss-security/2020/11/05/3 Exploit, Mailing List, Third Party Advisory Added CWE NIST CWE-787 Added CPE Configuration OR *cpe:2.3:a:tmux_project:tmux:*:*:*:*:*:*:*:* versions from (including) 2.9 up to (including) 3.1b -
CVE Modified by [email protected]
Nov. 11, 2020
Action Type Old Value New Value Added Reference https://security.gentoo.org/glsa/202011-10 [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-27347 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2020-27347
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.14 }} -0.12%
score
0.30712
percentile