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CVE-2021-20224

Status Candidate

Overview

An integer overflow issue was discovered in ImageMagick's ExportIndexQuantum() function in MagickCore/quantum-export.c. Function calls to GetPixelIndex() could result in values outside the range of representable for the 'unsigned char'. When ImageMagick processes a crafted pdf file, this could lead to an undefined behaviour or a crash.

Related Files

Gentoo Linux Security Advisory 202405-02
Posted May 6, 2024
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 202405-2 - Multiple vulnerabilities have been discovered in ImageMagick, the worst of which can lead to remote code execution. Versions greater than or equal to 6.9.13.0 are affected.

tags | advisory, remote, vulnerability, code execution
systems | linux, gentoo
advisories | CVE-2021-20224, CVE-2021-4219, CVE-2022-0284, CVE-2022-1115, CVE-2022-2719, CVE-2022-28463, CVE-2022-3213, CVE-2022-32545, CVE-2022-32546, CVE-2022-32547, CVE-2022-44267, CVE-2022-44268, CVE-2023-1906, CVE-2023-2157
SHA-256 | 673425e9b93e8fa03590f6a6a1e25235933b6eadbbbb7d45d6e66972fb35d73e
Ubuntu Security Notice USN-6200-1
Posted Jul 4, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6200-1 - It was discovered that ImageMagick incorrectly handled the "-authenticate" option for password-protected PDF files. An attacker could possibly use this issue to inject additional shell commands and perform arbitrary code execution. This issue only affected Ubuntu 20.04 LTS. It was discovered that ImageMagick incorrectly handled certain values when processing PDF files. If a user or automated system using ImageMagick were tricked into opening a specially crafted PDF file, an attacker could exploit this to cause a denial of service. This issue only affected Ubuntu 20.04 LTS.

tags | advisory, denial of service, arbitrary, shell, code execution
systems | linux, ubuntu
advisories | CVE-2020-29599, CVE-2021-20224, CVE-2021-20244, CVE-2021-20246, CVE-2021-20312, CVE-2021-20313, CVE-2021-39212, CVE-2022-32545, CVE-2023-1289, CVE-2023-1906, CVE-2023-3195, CVE-2023-34151, CVE-2023-3428
SHA-256 | 4624c32fa88c1256496ddb16ef8578660e852b2894774605d467f2dca0b95882
Ubuntu Security Notice USN-5736-1
Posted Nov 24, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5736-1 - It was discovered that ImageMagick incorrectly handled certain values when processing PDF files. If a user or automated system using ImageMagick were tricked into opening a specially crafted PDF file, an attacker could exploit this to cause a denial of service. This issue only affected Ubuntu 14.04 ESM, Ubuntu 16.04 ESM and Ubuntu 18.04 LTS. Zhang Xiaohui discovered that ImageMagick incorrectly handled certain values when processing image data. If a user or automated system using ImageMagick were tricked into opening a specially crafted image, an attacker could exploit this to cause a denial of service. This issue only affected Ubuntu 18.04 LTS and Ubuntu 22.10.

tags | advisory, denial of service
systems | linux, ubuntu
advisories | CVE-2021-20224, CVE-2021-20241, CVE-2021-20243, CVE-2021-20244, CVE-2021-20245, CVE-2021-20246, CVE-2021-20309, CVE-2021-20312, CVE-2021-20313, CVE-2021-3574, CVE-2021-39212, CVE-2021-4219, CVE-2022-1114, CVE-2022-28463
SHA-256 | 28bcc3309e2412154b73e7a7b025bf5c7fb44a94c51dcae90eb2f22c2656e75f
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