CVE-2016-10156
What it is
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.
At a glance
- Exploitability
- Can be exploited locally on the machine with a low-privilege account. High risk of data exposure, data tampering, service disruption.
- Exploit odds
- 1.2% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 1.2% in the next 30 days (EPSS).
- Severity: 7.8 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 1.2% · EPSS, next 30 days
- Weakness
- CWE-264
- Record status
- Modified
Affected
- Systemd Project Systemd 228
Attack profile CVSS 3.0 · 7.8
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Raw vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2016-10156.md and follow it. Check whether this project is affected by CVE-2016-10156. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://github.com/systemd/systemd/commit/06eeacb6fe029804f296b065b3ce91e796e1cd0e
- https://github.com/systemd/systemd/commit/ee735086f8670be1591fa9593e80dd60163a7a2f
- https://github.com/systemd/systemd/commit/06eeacb6fe029804f296b065b3ce91e796e1cd0e
- https://github.com/systemd/systemd/commit/ee735086f8670be1591fa9593e80dd60163a7a2f
References
- 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/
- 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/