The logrotation script (/etc/cron.daily/upstart) in the Ubuntu Upstart package before…
Priority LOW 34CWE-19Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Complete · Complete · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
The logrotation script (/etc/cron.daily/upstart) in the Ubuntu Upstart package before 1.13.2-0ubuntu9, as used in Ubuntu Vivid 15.04, allows local users to execute arbitrary commands and gain privileges via a crafted file in /run/user/*/upstart/sessions/.
Why it matters now
EPSS 0.01015 63rd percentileScored 2026-11-07
Public exploit Yes 4 exploit referencesTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2015-2285
- 2026-10-03 Alias added: GHSA-xc9j-x2cv-2xw3
References
Exploit 4
- https://bugs.launchpad.net/ubuntu/+source/upstart/+bug/1425685
- 20150302 upstart logrotate privilege escalation in Ubuntu Vivid (development)
- http://www.halfdog.net/Security/2015/UpstartLogrotationPrivilegeEscalation/
- http://packetstormsecurity.com/files/130587/Ubuntu-Vivid-Upstart-Privilege-Escalation.html
Sources
- CVE-2015-2285 · CVE Program
- CVE-2015-2285 · NVD
- FIRST EPSS
- GHSA-xc9j-x2cv-2xw3 · GitHub Advisory Database · CC BY 4.0
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