CVE-2016-1252

moderate-risk
Published 2017-12-05

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.

Do I need to act?

~
6.0% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
!
1 public exploit available
40916
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.9/10 Medium
NETWORK / HIGH complexity

Affected Products (4)

Advanced Package Tool

Affected Vendors

Debian Canonical

References (12)

Issue Tracking http://packetstormsecurity.com/files/140145/apt-Repository-Signing-Bypass.html
Third Party Advisory http://www.ubuntu.com/usn/USN-3156-1
Exploit https://bugs.chromium.org/p/project-zero/issues/detail?id=1020
Exploit https://bugs.launchpad.net/ubuntu/+source/apt/+bug/1647467
Issue Tracking https://www.debian.org/security/2016/dsa-3733
Exploit https://www.exploit-db.com/exploits/40916/
Issue Tracking http://packetstormsecurity.com/files/140145/apt-Repository-Signing-Bypass.html
Third Party Advisory http://www.ubuntu.com/usn/USN-3156-1
Exploit https://bugs.chromium.org/p/project-zero/issues/detail?id=1020
Exploit https://bugs.launchpad.net/ubuntu/+source/apt/+bug/1647467
Issue Tracking https://www.debian.org/security/2016/dsa-3733
Exploit https://www.exploit-db.com/exploits/40916/
44
/ 100
moderate-risk
Severity 18/34 · Moderate
Exploitability 16/34 · Moderate
Exposure 10/34 · Low