CWE
295
Advisory Published
Updated

CVE-2016-1252

First published: Tue Dec 05 2017(Updated: )

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.

Credit: security@debian.org

Affected SoftwareAffected VersionHow to fix
debian/apt
1.8.2.3
1.8.2.2
2.2.4
2.6.1
2.7.6
Debian Advanced Package Tool<1.0.9.8.4
Debian Debian Linux=8.0
Canonical Ubuntu Linux=14.04
Canonical Ubuntu Linux=16.04
Canonical Ubuntu Linux=16.10

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Frequently Asked Questions

  • What is CVE-2016-1252?

    CVE-2016-1252 is a vulnerability that allows man-in-the-middle attackers to bypass repository-signing protection mechanism in the apt package.

  • Which software packages are affected by CVE-2016-1252?

    The apt package in Debian jessie before 1.0.9.8.4, Debian unstable before 1.4~beta2, Ubuntu 14.04 LTS before 1.0.1ubuntu2.17, Ubuntu 16.04 LTS before 1.2.15ubuntu0.2, and Ubuntu 16.10 before 1.3.2ubuntu0.1 are affected.

  • What is the severity of CVE-2016-1252?

    The severity of CVE-2016-1252 is medium with a CVSS score of 5.9.

  • How do I fix CVE-2016-1252?

    To fix CVE-2016-1252, it is recommended to update the apt package to version 1.8.2.3, 1.8.2.2, 2.2.4, 2.6.1, or 2.7.6, depending on the affected software package.

  • Where can I find more information about CVE-2016-1252?

    You can find more information about CVE-2016-1252 at the following references: - [Ubuntu Bug Report](https://bugs.launchpad.net/ubuntu/+source/apt/+bug/1647467) - [Debian Security Tracker](https://security-tracker.debian.org/tracker/CVE-2016-1252) - [Packet Storm Security](http://packetstormsecurity.com/files/140145/apt-Repository-Signing-Bypass.html)

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