CVE-2016-1252 EXPLOIT
5.9
MEDIUM · CVSS 3.1 · EPSS 7.3% (pctl 94)
Patch early
A public exploit exists.
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.
Scoring
| CVSS | 5.9 (MEDIUM, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N |
| EPSS | 7.28% — more likely to be exploited than 94% of all CVEs |
| Weakness | CWE-295 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2017-12-05 |
| Last modified | 2026-06-17 |
Affected (3)
| Vendor | Product |
|---|---|
| canonical | ubuntu linux |
| debian | advanced package tool |
| debian | debian linux |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | APT - Repository Signing Bypass via Memory Allocation Failure | 2016-12-14 |
References
- 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://bugs.launchpad.net/ubuntu/+source/apt/+bug/1647467
- https://www.debian.org/security/2016/dsa-3733
- https://www.exploit-db.com/exploits/40916/
- 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://bugs.launchpad.net/ubuntu/+source/apt/+bug/1647467
- https://www.debian.org/security/2016/dsa-3733
- https://www.exploit-db.com/exploits/40916/
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