Vulnerability Description
World-writable permissions on the /tmp/tmate/sessions directory in tmate-ssh-server 2.3.0 allow a local attacker to compromise the integrity of session handling, or obtain the read-write session ID from a read-only session symlink in this directory.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Tmate | Tmate-Ssh-Server | <= 2.3.0 |
Related Weaknesses (CWE)
References
- https://github.com/tmate-io/tmate-ssh-server/commit/1c020d1f5ca462f5b150b46a027aPatchThird Party Advisory
- https://www.openwall.com/lists/oss-security/2021/12/06/2Mailing ListThird Party Advisory
- https://github.com/tmate-io/tmate-ssh-server/commit/1c020d1f5ca462f5b150b46a027aPatchThird Party Advisory
- https://www.openwall.com/lists/oss-security/2021/12/06/2Mailing ListThird Party Advisory
FAQ
What is CVE-2021-44512?
CVE-2021-44512 is a vulnerability with a CVSS score of 7.0 (HIGH). World-writable permissions on the /tmp/tmate/sessions directory in tmate-ssh-server 2.3.0 allow a local attacker to compromise the integrity of session handling, or obtain the read-write session ID fr...
How severe is CVE-2021-44512?
CVE-2021-44512 has been rated HIGH with a CVSS base score of 7.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-44512?
Check the references section above for vendor advisories and patch information. Affected products include: Tmate Tmate-Ssh-Server.