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CVE-2020-27350

Status Candidate

Overview

APT had several integer overflows and underflows while parsing .deb packages, aka GHSL-2020-168 GHSL-2020-169, in files apt-pkg/contrib/extracttar.cc, apt-pkg/deb/debfile.cc, and apt-pkg/contrib/arfile.cc. This issue affects: apt 1.2.32ubuntu0 versions prior to 1.2.32ubuntu0.2; 1.6.12ubuntu0 versions prior to 1.6.12ubuntu0.2; 2.0.2ubuntu0 versions prior to 2.0.2ubuntu0.2; 2.1.10ubuntu0 versions prior to 2.1.10ubuntu0.1;

Related Files

Ubuntu Security Notice USN-4667-2
Posted Jan 12, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4667-2 - USN-4667-1 fixed a vulnerability in APT. This update provides the corresponding update for Ubuntu 14.04 ESM. Kevin Backhouse discovered that APT incorrectly handled certain packages. A local attacker could possibly use this issue to cause APT to crash or stop responding, resulting in a denial of service. Various other issues were also addressed.

tags | advisory, denial of service, local
systems | linux, ubuntu
advisories | CVE-2020-27350
SHA-256 | b8f1070fd082e227089866f984e524e9c9c45a838b83b360922bd1566c6f1679
Debian Security Advisory 4808-1
Posted Dec 28, 2020
Authored by Debian | Site debian.org

Debian Linux Security Advisory 4808-1 - It was discovered that missing input validation in the ar/tar implementations of APT, the high level package manager, could cause out-of-bounds reads or infinite loops, resulting in denial of service when processing malformed deb files.

tags | advisory, denial of service
systems | linux, debian
advisories | CVE-2020-27350
SHA-256 | 72b22af4983e423e88a9104f100d1306c4503588d7516f149b0a6cbd98324d31
Ubuntu Security Notice USN-4667-1
Posted Dec 10, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4667-1 - Kevin Backhouse discovered that APT incorrectly handled certain packages. A local attacker could possibly use this issue to cause APT to crash or stop responding, resulting in a denial of service.

tags | advisory, denial of service, local
systems | linux, ubuntu
advisories | CVE-2020-27350
SHA-256 | ed3e732086e11beeda7a344425ad7dc16a8309de9febde6bc43b34925f802eae
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