Vulnerability Details : 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.
Products affected by CVE-2016-1252
- cpe:2.3:a:debian:advanced_package_tool:*:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.10:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2016-1252
1.13%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 84 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2016-1252
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:P/A:N |
8.6
|
2.9
|
NIST | |
|
5.9
|
MEDIUM | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N |
2.2
|
3.6
|
NIST |
CWE ids for CVE-2016-1252
-
The product does not validate, or incorrectly validates, a certificate.Assigned by: nvd@nist.gov (Primary)
References for CVE-2016-1252
-
https://bugs.chromium.org/p/project-zero/issues/detail?id=1020
1020 - apt: repository signing bypass via memory allocation failure - project-zero - MonorailExploit;Issue Tracking;Third Party Advisory
-
https://www.debian.org/security/2016/dsa-3733
Debian -- Security Information -- DSA-3733-1 aptIssue Tracking;Vendor Advisory
-
https://bugs.launchpad.net/ubuntu/+source/apt/+bug/1647467
Bug #1647467 “InRelease file splitter treats getline() errors as...” : Bugs : apt package : UbuntuExploit;Issue Tracking;Third Party Advisory
-
http://packetstormsecurity.com/files/140145/apt-Repository-Signing-Bypass.html
apt Repository Signing Bypass ≈ Packet StormIssue Tracking;Third Party Advisory;VDB Entry
-
http://www.ubuntu.com/usn/USN-3156-1
USN-3156-1: APT vulnerability | Ubuntu security noticesThird Party Advisory
-
https://www.exploit-db.com/exploits/40916/
APT - Repository Signing Bypass via Memory Allocation FailureExploit;Issue Tracking;Third Party Advisory;VDB Entry
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