Vulnerability 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.
CVSS Score
8.8
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Tmux Project | Tmux | >= 2.9, <= 3.1b |
Related Weaknesses (CWE)
References
- https://github.com/tmux/tmux/commit/a868bacb46e3c900530bed47a1c6f85b0fbe701cPatchThird Party Advisory
- https://raw.githubusercontent.com/tmux/tmux/3.1c/CHANGESRelease NotesThird Party Advisory
- https://security.gentoo.org/glsa/202011-10Third Party Advisory
- https://www.openwall.com/lists/oss-security/2020/11/05/3ExploitMailing ListThird Party Advisory
- https://github.com/tmux/tmux/commit/a868bacb46e3c900530bed47a1c6f85b0fbe701cPatchThird Party Advisory
- https://raw.githubusercontent.com/tmux/tmux/3.1c/CHANGESRelease NotesThird Party Advisory
- https://security.gentoo.org/glsa/202011-10Third Party Advisory
- https://www.openwall.com/lists/oss-security/2020/11/05/3ExploitMailing ListThird Party Advisory
FAQ
What is CVE-2020-27347?
CVE-2020-27347 is a vulnerability with a CVSS score of 8.8 (HIGH). 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.
How severe is CVE-2020-27347?
CVE-2020-27347 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-27347?
Check the references section above for vendor advisories and patch information. Affected products include: Tmux Project Tmux.