Incorrect Permission Assignment for Critical Resource Affecting tmate-ssh-server package, versions <2.3.0-68-gd7334ee4-1


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-DEBIAN13-TMATESSHSERVER-5840501
  • published7 Dec 2021
  • disclosed7 Dec 2021

Introduced: 7 Dec 2021

CVE-2021-44512  (opens in a new tab)
CWE-732  (opens in a new tab)

How to fix?

Upgrade Debian:13 tmate-ssh-server to version 2.3.0-68-gd7334ee4-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream tmate-ssh-server package and not the tmate-ssh-server package as distributed by Debian. See How to fix? for Debian:13 relevant fixed versions and status.

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 Base Scores

version 3.1