CVE-2016-1252 Security feature bypass in n/a

What is CVE-2016-1252?

CVE-2016-1252 is a medium-severity vulnerability in Canonical Ubuntu Linux, published on 5 Dec 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The apt package in Debian jessie before 1.0.9.8.4, in Debian unstable before 1.4~beta2, in Ubuntu 14.04 LTS before 1.0.1ubuntu2.17, in Ubuntu 16.04 LTS before 1.2.15ubuntu0.2, and in Ubuntu 16.10 before 1.3.2ubuntu0.1 allows man-in-the-middle attackers to bypass a repository-signing protection mechanism by leveraging improper error handling when validating InRelease file signatures.

Weakness: CWE-295

Which versions are affected by CVE-2016-1252?

It affects 2 products.

Products include Canonical Ubuntu Linux, Debian Advanced Package Tool.

How do I fix CVE-2016-1252?

Apply the vendor's patch.

Is CVE-2016-1252 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2016-1252 exists.

Public exploit code: 1 Exploit-DB entry.

Other vulnerabilities in Canonical Ubuntu Linux

• CVE-2020-11651 SaltStack Salt Authentication Bypass Exploited Critical 9.8
• CVE-2020-7247 OpenSMTPD Remote Code Execution Exploited Critical 9.8
• CVE-2019-16928 Exim Out-of-bounds Write Exploited Critical 9.8
• CVE-2018-6789 Exim Buffer Overflow Exploited Critical 9.8
• CVE-2015-2590 Oracle Java SE and Java SE Embedded Remote Code Execution Exploited Critical 9.8

All Canonical Ubuntu Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2016-1252, DSA-3733-1, GHSA-53rm-7gr9-9hfx, UBUNTU-CVE-2016-1252, USN-3156-1.