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CVE-2023-2731

Status Candidate

Overview

A NULL pointer dereference flaw was found in Libtiff's LZWDecode() function in the libtiff/tif_lzw.c file. This flaw allows a local attacker to craft specific input data that can cause the program to dereference a NULL pointer when decompressing a TIFF format file, resulting in a program crash or denial of service.

Related Files

Red Hat Security Advisory 2023-6575-01
Posted Nov 13, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-6575-01 - An update for libtiff is now available for Red Hat Enterprise Linux 9. Issues addressed include buffer overflow, memory leak, null pointer, and use-after-free vulnerabilities.

tags | advisory, overflow, vulnerability, memory leak
systems | linux, redhat
advisories | CVE-2023-2731
SHA-256 | eab16ffd79c1fcbfaeb9b04ad20e46cb118adbd74daa25b1acc79986af1a8a7e
Ubuntu Security Notice USN-6290-1
Posted Aug 16, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6290-1 - It was discovered that LibTIFF could be made to write out of bounds when processing certain malformed image files with the tiffcrop utility. If a user were tricked into opening a specially crafted image file, an attacker could possibly use this issue to cause tiffcrop to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, and Ubuntu 22.04 LTS. It was discovered that LibTIFF incorrectly handled certain image files. If a user were tricked into opening a specially crafted image file, an attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 23.04.

tags | advisory, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2022-48281, CVE-2023-26965, CVE-2023-2731, CVE-2023-2908, CVE-2023-3316, CVE-2023-3618, CVE-2023-38288
SHA-256 | dea439e173df06f4701c3d819ad53b19bb3bf0a6496304490d18dec1b8d0c9e5
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