Ubuntu alert USN-5841-1 (tiff)
| From: | Camila Camargo de Matos <camila.camargodematos@canonical.com> | |
| To: | ubuntu-security-announce@lists.ubuntu.com | |
| Subject: | [USN-5841-1] LibTIFF vulnerabilities | |
| Date: | Thu, 02 Feb 2023 13:41:57 -0300 | |
| Message-ID: | <acd47794-170f-b825-080a-d584dba96286@canonical.com> |
========================================================================== Ubuntu Security Notice USN-5841-1 February 02, 2023 tiff vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 16.04 ESM - Ubuntu 14.04 ESM Summary: Several security issues were fixed in LibTIFF. Software Description: - tiff: Tag Image File Format (TIFF) library Details: It was discovered that LibTIFF incorrectly handled certain malformed images. If a user or automated system were tricked into opening a specially crafted image, a remote attacker could crash the application, leading to a denial of service, or possibly execute arbitrary code with user privileges. This issue was only fixed in Ubuntu 14.04 ESM. (CVE-2019-14973, CVE-2019-17546, CVE-2020-35523, CVE-2020-35524, CVE-2022-3970) It was discovered that LibTIFF was incorrectly acessing a data structure when processing data with the tiffcrop tool, which could lead to a heap buffer overflow. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2022-48281) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 16.04 ESM: libtiff-tools 4.0.6-1ubuntu0.8+esm9 libtiff5 4.0.6-1ubuntu0.8+esm9 Ubuntu 14.04 ESM: libtiff-tools 4.0.3-7ubuntu0.11+esm6 libtiff5 4.0.3-7ubuntu0.11+esm6 In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-5841-1 CVE-2019-14973, CVE-2019-17546, CVE-2020-35523, CVE-2020-35524, CVE-2022-3970, CVE-2022-48281