CVE-2016-1255
What it is
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.
At a glance
- Exploitability
- Can be exploited locally on the machine with a low-privilege account. High risk of data exposure, data tampering, service disruption.
- Exploit odds
- 0.4% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 0.4% in the next 30 days (EPSS).
- Severity: 7.8 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.4% · EPSS, next 30 days
- Weakness
- CWE-59
- Record status
- Modified
Affected
- Debian postgresql-common 1
- Debian postgresql-common 2
- Debian postgresql-common 3
- Debian postgresql-common 4
- Debian postgresql-common 5
- Debian postgresql-common 6
- Debian postgresql-common 7
- Debian postgresql-common 8
Attack profile CVSS 3.0 · 7.8
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Raw vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2016-1255.md and follow it. Check whether this project is affected by CVE-2016-1255. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://anonscm.debian.org/cgit/pkg-postgresql/postgresql-common.git/commit/?id=c8989206ec360f199400c74f129f7b4cb878c1ee
- https://lists.debian.org/debian-lts-announce/2017/01/msg00002.html
- https://anonscm.debian.org/cgit/pkg-postgresql/postgresql-common.git/commit/?id=c8989206ec360f199400c74f129f7b4cb878c1ee
- https://lists.debian.org/debian-lts-announce/2017/01/msg00002.html
References
- http://www.ubuntu.com/usn/USN-3476-1
- http://www.ubuntu.com/usn/USN-3476-2
- https://anonscm.debian.org/cgit/pkg-postgresql/postgresql-common.git/commit/?id=c8989206ec360f199400c74f129f7b4cb878c1ee
- https://lists.debian.org/debian-lts-announce/2017/01/msg00002.html
- http://www.ubuntu.com/usn/USN-3476-1
- http://www.ubuntu.com/usn/USN-3476-2
- https://anonscm.debian.org/cgit/pkg-postgresql/postgresql-common.git/commit/?id=c8989206ec360f199400c74f129f7b4cb878c1ee
- https://lists.debian.org/debian-lts-announce/2017/01/msg00002.html