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CVE-2015-2285

7.2 · HIGH

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 privi…

Published Mar 12, 2015ubuntuCWE-19EPSS 1.01%

Overview

CVE-2015-2285 is a high-severity vulnerability affecting ubuntu upstart. It was published on March 12, 2015 and has a CVSS 2.0 base score of 7.2 (HIGH).

This vulnerability has a CVSS 2.0 base score of 7.2, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

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/.

Remediation

Check the references section for vendor advisories and patches from ubuntu. Update upstart to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
ubuntuupstart0Affected

References

Refpacketstormsecurity.com/files/130587/Ubuntu-Vivid-Upstart-Privilege-Escalation.htmlRefseclists.org/fulldisclosure/2015/Mar/7Refwww.halfdog.net/Security/2015/UpstartLogrotationPrivilegeEscalation/Refbugs.launchpad.net/ubuntu/+source/upstart/+bug/1425685Refpacketstormsecurity.com/files/130587/Ubuntu-Vivid-Upstart-Privilege-Escalation.htmlRefseclists.org/fulldisclosure/2015/Mar/7Refwww.halfdog.net/Security/2015/UpstartLogrotationPrivilegeEscalation/Refbugs.launchpad.net/ubuntu/+source/upstart/+bug/1425685

How CyberStrike helps

Frequently asked questions

What is CVE-2015-2285?

CVE-2015-2285 is a high-severity vulnerability affecting ubuntu upstart. It was published on March 12, 2015 and has a CVSS 2.0 base score of 7.2 (HIGH).

How severe is CVE-2015-2285?

This vulnerability has a CVSS 2.0 base score of 7.2, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2015-2285?

Check the references section for vendor advisories and patches from ubuntu. Update upstart to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2015-2285?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2015-2285 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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