PT-2016-3304 · Postgresql+1 · Postgresql-Common+1

Dawid Golunski · Published 2016-12-20 · Updated 2017-12-21 · CVE-2016-1255

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions postgresql-common versions prior to 134wheezy5 postgresql-common versions prior to 165+deb8u2 postgresql-common versions prior to 178 postgresql-common versions prior to 129ubuntu1.2 postgresql-common versions prior to 154ubuntu1.1 postgresql-common versions prior to 173ubuntu0.1 postgresql-common versions prior to 179ubuntu0.1 postgresql-common versions prior to 184ubuntu1.1

Description The issue is related to a symlink attack on a logfile in /var/log/postgresql, allowing local users to gain root privileges. The vulnerability is caused by incorrect link resolution before accessing a file, which can be exploited to gain unauthorized access to confidential data, cause a denial of service, and impact data integrity.

Recommendations For versions prior to 134wheezy5, update to version 134wheezy5 or later. For versions prior to 165+deb8u2, update to version 165+deb8u2 or later. For versions prior to 178, update to version 178 or later. For versions prior to 129ubuntu1.2, update to version 129ubuntu1.2 or later. For versions prior to 154ubuntu1.1, update to version 154ubuntu1.1 or later. For versions prior to 173ubuntu0.1, update to version 173ubuntu0.1 or later. For versions prior to 179ubuntu0.1, update to version 179ubuntu0.1 or later. For versions prior to 184ubuntu1.1, update to version 184ubuntu1.1 or later.

Fix

Link Following

Weakness Enumeration

CWE-59

Related Identifiers

BDU:2020-00684

CVE-2016-1255

DLA-774-1

ECHO-9914-6D37-4412

USN-3476-1

USN-3476-2

Affected Products

Ubuntu

Postgresql-Common

References · 20

• https://osv.dev/vulnerability/CVE-2016-1255 · Vendor Advisory
• http://ubuntu.com/usn/USN-3476-2 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2016-1255 · Security Note
• https://ubuntu.com/security/notices/USN-3476-1 · Vendor Advisory
• https://wiki.astralinux.ru/pages/viewpage.action?pageId=57444186 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-3476-2 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2016-1255 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2016-1255 · Vendor Advisory
• https://bdu.fstec.ru/vul/2020-00684 · Security Note
• https://anonscm.debian.org/cgit/pkg-postgresql/postgresql-common.git/commit/?id=c8989206ec360f199400c74f129f7b4cb878c1ee · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-8806 · Vendor Advisory
• http://ubuntu.com/usn/USN-3476-1 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2016-1255 · Vendor Advisory
• https://ubuntu.com/security/CVE-2016-1255 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2016-1255 · Vendor Advisory