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Fencer Intel
high 7.2

CVE-2015-2285 json

The logrotation script (/etc/cron.daily/upstart) in the Ubuntu Upstart package before 1.13.2-0ubuntu9, as used in Ubuntu Vivid 15.04, allow…

published 2015-03-12 11 y ago modified 2026-06-17 4 mo ago also EUVD-2015-2383

cvss
7.2
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.0%
EPSS 1.0% chance of exploitation in 30 days, percentile 63%
public exploits
1
Exploit-DB

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/.

Timeline

  1. First public exploit (EDB-41765)
  2. Published

Exploit prediction

1.01% chance of exploitation in the next 30 days, higher than 63% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-41765 Ubuntu 15.04 (Development) - 'Upstart' Logrotation Privilege Escalation local, 2015-03-12
  • bugs.launchpad.net https://bugs.launchpad.net/ubuntu/+source/upstart/+bug/1425685 referenced PoC, tagged "exploit" by a source, unverified
  • seclists.org http://seclists.org/fulldisclosure/2015/Mar/7 referenced PoC, tagged "exploit" by a source, unverified
  • halfdog.net http://www.halfdog.net/Security/2015/UpstartLogrotationPrivilegeEscalation/ referenced PoC, tagged "exploit" by a source, unverified
  • packetstormsecurity.com http://packetstormsecurity.com/files/130587/Ubuntu-Vivid-Upstart-Privilege-Escalation.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 7.2 AV:L/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-19 Data Processing Errors

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.