CVE-2016-1252

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.

CVSS v3.1 NVD

5.9 MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

CVSS v2.0 NVD

4.3 MEDIUMAV:N/AC:M/Au:N/C:N/I:P/A:N

EPSS

7.25% chance of exploitation in the next 30 days, 94th percentile

Published

2017-12-05

Updated

2024-08-05

Proof-of-concept exploits (1)

• https://bugs.launchpad.net/ubuntu/+source/apt/+bug/1647467

ExploitDB entries (1)

• https://www.exploit-db.com/exploits/40916

Security advisories

• https://www.debian.org/security/2016/dsa-3733
• 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

References

• CVE Record
• NVD entry