Access Restriction Bypass Affecting systemd package, versions <229-1
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
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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- published17 Aug 2026
- disclosed23 Jan 2017
Introduced: 23 Jan 2017
CVE-2016-10156 (opens in a new tab)How to fix?
Upgrade Echo:latest systemd to version 229-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream systemd package and not the systemd package as distributed by Echo.
See How to fix? for Echo:latest relevant fixed versions and status.
A flaw in systemd v228 in /src/basic/fs-util.c caused world writable suid files to be created when using the systemd timers features, allowing local attackers to escalate their privileges to root. This is fixed in v229.
References
- https://advisory.echohq.com/cve/CVE-2016-10156
- http://www.securityfocus.com/bid/95790
- http://www.securitytracker.com/id/1037686
- https://bugzilla.suse.com/show_bug.cgi?id=1020601
- https://github.com/systemd/systemd/commit/06eeacb6fe029804f296b065b3ce91e796e1cd0e
- https://github.com/systemd/systemd/commit/ee735086f8670be1591fa9593e80dd60163a7a2f
- https://www.exploit-db.com/exploits/41171/
- https://www.exploit-db.com/exploits/41171