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 Software | Affected Version | How 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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Reference Links
- https://bugs.launchpad.net/ubuntu/+source/apt/+bug/1647467
- https://security-tracker.debian.org/tracker/CVE-2016-1252
- http://packetstormsecurity.com/files/140145/apt-Repository-Signing-Bypass.html
- http://www.ubuntu.com/usn/USN-3156-1
- https://bugs.chromium.org/p/project-zero/issues/detail?id=1020
- https://www.debian.org/security/2016/dsa-3733
- https://www.exploit-db.com/exploits/40916/
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)
- collector/security-tracker-debian
- collector/nvd-index
- agent/weakness
- agent/severity
- agent/references
- agent/author
- agent/description
- agent/type
- agent/event
- agent/last-modified-date
- agent/softwarecombine
- agent/first-publish-date
- agent/tags
- collector/mitre-cve
- source/MITRE
- package-manager/debian
- vendor/debian
- canonical/debian advanced package tool
- canonical/debian debian linux
- version/debian debian linux/8.0
- vendor/canonical
- canonical/canonical ubuntu linux
- version/canonical ubuntu linux/14.04
- version/canonical ubuntu linux/16.04
- version/canonical ubuntu linux/16.10