CVE-2016-1252

MEDIUM
5.9
CVSS Score
Published: December 5, 2017 at 04:00 PM UTC
Updated: June 17, 2026 at 12:41 AM UTC
3 products affected across 2 vendorsUbuntu LinuxAdvanced Package ToolDebian Linux

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Severity
MEDIUM5.9
Exploit prediction
EPSS 7%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 1.0.9.8.4
Affected range stops below 1.0.9.8.4, so it looks safe — our inference, not a vendor statement
debian-debian-linux (environment)
80%
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (6)

x_refsource_MISCIssue TrackingThird Party AdvisoryVDB Entry
http://packetstormsecurity.com/files/140145/apt-Repository-Signing-Bypass.html
Vendor Advisoryx_refsource_UBUNTUThird Party Advisory
http://www.ubuntu.com/usn/USN-3156-1
x_refsource_MISCExploitIssue TrackingThird Party Advisory
https://bugs.chromium.org/p/project-zero/issues/detail?id=1020
x_refsource_CONFIRMExploitIssue TrackingThird Party Advisory
https://bugs.launchpad.net/ubuntu/+source/apt/+bug/1647467
Vendor Advisoryx_refsource_DEBIANIssue Tracking
https://www.debian.org/security/2016/dsa-3733
Exploitx_refsource_EXPLOIT-DBIssue TrackingThird Party AdvisoryVDB Entry
https://www.exploit-db.com/exploits/40916/

CVSS

Attack Vector
NETWORK
Complexity
HIGH
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-295

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