CVE-2018-14722 Affecting btrfsmaintenance package, versions <0.4.1-2
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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Test your applications- Snyk IDSNYK-DEBIAN13-BTRFSMAINTENANCE-5675970
- published15 Aug 2018
- disclosed15 Aug 2018
Introduced: 15 Aug 2018
CVE-2018-14722 (opens in a new tab)How to fix?
Upgrade Debian:13 btrfsmaintenance to version 0.4.1-2 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream btrfsmaintenance package and not the btrfsmaintenance package as distributed by Debian.
See How to fix? for Debian:13 relevant fixed versions and status.
An issue was discovered in evaluate_auto_mountpoint in btrfsmaintenance-functions in btrfsmaintenance through 0.4.1. Code execution as root can occur via a specially crafted filesystem label if btrfs-{scrub,balance,trim} are set to auto in /etc/sysconfig/btrfsmaintenance (this is not the default, though).
References
- https://security-tracker.debian.org/tracker/CVE-2018-14722
- https://bugzilla.suse.com/show_bug.cgi?id=1102721
- http://www.openwall.com/lists/oss-security/2018/08/14/7
- http://www.openwall.com/lists/oss-security/2019/06/27/7
- http://www.openwall.com/lists/oss-security/2019/06/28/1
- http://www.openwall.com/lists/oss-security/2019/06/28/2