Home/CVE/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 1.0.1
CVE

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 1.0.1

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.

MEDIUM · CVSS 5.9 EPSS 0.05955
Schedule remediation
  • EPSS percentile: top 9% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-295Improper Certificate Validation
▤

Affected Products & Versions

2
debian advanced package tool< 1.0.9.8.4
canonical ubuntu linuxall versions
⚠

Public Exploits & PoCs

5
remoteAPT - Repository Signing Bypass via Memory Allocation Failureverified
pocpacketstormsecurity.com · apt-Repository-Signing-Bypass.htmlpacketstormsecurity.com
pocbugs.chromium.org · detail?id=1020bugs.chromium.org
pocbugs.launchpad.net · 1647467bugs.launchpad.net
pocwww.exploit-db.com · 40916www.exploit-db.com
▣

Scoring & Timeline

5.9
MEDIUM · CVSS v3.1 · security@debian.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD05 Dec 2017 · 04:29 PM
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
⚑

Vendor Advisories

1
usnUSN-3156-1
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.ubuntu.com/usn/USN-3156-1Third Party Advisory
https://www.debian.org/security/2016/dsa-3733Issue TrackingVendor Advisory
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