Race Condition The advisory has been revoked - it doesn't affect any version of package tmpreaper (opens in a new tab)
Threat Intelligence
Exploit maturity not defined.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UBUNTU2010-TMPREAPER-1030538
- published15 Jan 2019
- disclosed4 Feb 2019
Introduced: 15 Jan 2019
CVE-2019-3461 (opens in a new tab)Amendment
The Ubuntu security team deemed this advisory irrelevant for Ubuntu:20.10.
NVD Description
Note: Versions mentioned in the description apply only to the upstream tmpreaper package and not the tmpreaper package as distributed by Ubuntu.
Debian tmpreaper version 1.6.13+nmu1 has a race condition when doing a (bind) mount via rename() which could result in local privilege escalation. Mounting via rename() could potentially lead to a file being placed elsewhereon the filesystem hierarchy (e.g. /etc/cron.d/) if the directory being cleaned up was on the same physical filesystem. Fixed versions include 1.6.13+nmu1+deb9u1 and 1.6.14.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2019-3461
- https://lists.debian.org/debian-security-announce/2019/msg00003.html
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=918956
- https://lists.debian.org/debian-lts-announce/2019/01/msg00017.html
- https://security-tracker.debian.org/tracker/CVE-2019-3461
- https://usn.ubuntu.com/4077-1/