CVE-2016-1255

high-risk

Published 2017-12-05

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.

Do I need to act?

0.03% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 7.8/10 High

LOCAL / LOW complexity

Affected Products (20)

Postgresql-Common

Affected Vendors

Debian

References (8)

Issue Tracking http://www.ubuntu.com/usn/USN-3476-1

Issue Tracking http://www.ubuntu.com/usn/USN-3476-2

Issue Tracking https://anonscm.debian.org/cgit/pkg-postgresql/postgresql-common.git/commit/?id=...

Issue Tracking https://lists.debian.org/debian-lts-announce/2017/01/msg00002.html

Issue Tracking http://www.ubuntu.com/usn/USN-3476-1

Issue Tracking http://www.ubuntu.com/usn/USN-3476-2

Issue Tracking https://anonscm.debian.org/cgit/pkg-postgresql/postgresql-common.git/commit/?id=...

Issue Tracking https://lists.debian.org/debian-lts-announce/2017/01/msg00002.html

/ 100

high-risk

Severity 24/34 · High

Exploitability 0/34 · Minimal

Exposure 33/34 · Critical