CVE-2016-1252

medium

Published 2017-12-05 · Modified 2026-05-13

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CVSS v3

5.9

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

CVSS v4 NEW

—

not yet in upstream

VIR risk

6.9

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.

Predictions

Exploit likelihood

69%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Exploits

Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.

Exploit-DB

EDB-40916 remote linux verified

Google Security Research · 2016-12-14

APT - Repository Signing Bypass via Memory Allocation Failure

Source code queued for fetch — refresh in a moment.

OS impact

OS	Version	Status	Fixed in
debian	bookworm	fixed	`1.4~beta2`
debian	bullseye	fixed	`1.4~beta2`
debian	forky	fixed	`1.4~beta2`
debian	sid	fixed	`1.4~beta2`
debian	trixie	fixed	`1.4~beta2`
debian	8.0	not-affected
ubuntu	14.04	affected
ubuntu	16.04	affected
ubuntu	16.10	affected

Application impact

Vendor	Product	Versions	Fixed
debian	advanced_package_tool	`{"endExcluding":"1.0.9.8.4"}`	`1.0.9.8.4`
debian	advanced_package_tool	`{"endExcluding":"1.0.9.8.4"}`	`1.0.9.8.4`

References

CWEs

CWE-295

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.