OS Command Injection Affecting uuidd package, versions <0:2.30.2-2.amzn2.0.9
Threat Intelligence
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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- published7 Dec 2022
- disclosed7 Mar 2018
Introduced: 7 Mar 2018
CVE-2018-7738 (opens in a new tab)How to fix?
Upgrade Amazon-Linux:2 uuidd to version 0:2.30.2-2.amzn2.0.9 or higher.
This issue was patched in ALAS2-2022-1878.
NVD Description
Note: Versions mentioned in the description apply only to the upstream uuidd package and not the uuidd package as distributed by Amazon-Linux.
See How to fix? for Amazon-Linux:2 relevant fixed versions and status.
In util-linux before 2.32-rc1, bash-completion/umount allows local users to gain privileges by embedding shell commands in a mountpoint name, which is mishandled during a umount command (within Bash) by a different user, as demonstrated by logging in as root and entering umount followed by a tab character for autocompletion.
References
- http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-7738
- http://www.securityfocus.com/bid/103367
- https://bugs.debian.org/892179
- https://github.com/karelzak/util-linux/commit/75f03badd7ed9f1dd951863d75e756883d3acc55
- https://github.com/karelzak/util-linux/issues/539
- https://security.netapp.com/advisory/ntap-20241213-0002/
- https://usn.ubuntu.com/4512-1/
- https://www.debian.org/security/2018/dsa-4134