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CVE-2016-1255

7.8 · HIGH

The pg_ctlcluster script in postgresql-common package in Debian wheezy before 134wheezy5, in Debian jessie before 165+deb8u2, in Debian unstable before 178, in Ubuntu 12.04 LTS before 129ubuntu1.2,…

Published Dec 5, 2017CWE-59EPSS 0.42%

Overview

CVE-2016-1255 is a high-severity vulnerability. It was published on December 5, 2017 and has a CVSS 3.0 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.0 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

The pg_ctlcluster script in postgresql-common package in Debian wheezy before 134wheezy5, in Debian jessie before 165+deb8u2, in Debian unstable before 178, in Ubuntu 12.04 LTS before 129ubuntu1.2, in Ubuntu 14.04 LTS before 154ubuntu1.1, in Ubuntu 16.04 LTS before 173ubuntu0.1, in Ubuntu 17.04 before 179ubuntu0.1, and in Ubuntu 17.10 before 184ubuntu1.1 allows local users to gain root privileges via a symlink attack on a logfile in /var/log/postgresql.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. 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.

References

Refwww.ubuntu.com/usn/USN-3476-1Refwww.ubuntu.com/usn/USN-3476-2Refanonscm.debian.org/cgit/pkg-postgresql/postgresql-common.git/commit/?id=c8989206ec360f199400c74f129f7b4cb878c1eeReflists.debian.org/debian-lts-announce/2017/01/msg00002.htmlRefwww.ubuntu.com/usn/USN-3476-1Refwww.ubuntu.com/usn/USN-3476-2Refanonscm.debian.org/cgit/pkg-postgresql/postgresql-common.git/commit/?id=c8989206ec360f199400c74f129f7b4cb878c1eeReflists.debian.org/debian-lts-announce/2017/01/msg00002.html

How CyberStrike helps

Frequently asked questions

What is CVE-2016-1255?

CVE-2016-1255 is a high-severity vulnerability. It was published on December 5, 2017 and has a CVSS 3.0 base score of 7.8 (HIGH).

How severe is CVE-2016-1255?

This vulnerability has a CVSS 3.0 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2016-1255?

Check the references section for vendor advisories, patches, and mitigation guidance. 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-2016-1255?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2016-1255 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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