Log in Start free

Vulnerability · Published Oct 21, 2022 · Assigned by GitLab

CVE-2022-3627

Medium 5.5

In plain English

A medium-severity out-of-bounds write in libtiff from libtiff. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.4% (higher than 72% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)1.4%top 28.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

LibTIFF 4.4.0 has an out-of-bounds write in _TIFFmemcpy in libtiff/tif_unix.c:346 when called from extractImageSection, tools/tiffcrop.c:6860, allowing attackers to cause a denial-of-service via a crafted tiff file. For users that compile libtiff from sources, the fix is available with commit 236b7191.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8libtiff4.0.9-27.el8ALSA-2023:2883
AlmaLinux:9libtiff4.4.0-7.el9ALSA-2023:2340
AlmaLinux:8libtiff-devel4.0.9-27.el8ALSA-2023:2883
AlmaLinux:9libtiff-devel4.4.0-7.el9ALSA-2023:2340
AlmaLinux:8libtiff-tools4.0.9-27.el8ALSA-2023:2883
AlmaLinux:9libtiff-tools4.4.0-7.el9ALSA-2023:2340
Alpine:v3.20tiff4.5.0-r0ALPINE-CVE-2022-3627
Alpine:v3.21tiff4.5.0-r0ALPINE-CVE-2022-3627
Alpine:v3.22tiff4.5.0-r0ALPINE-CVE-2022-3627
Alpine:v3.23tiff4.5.0-r0ALPINE-CVE-2022-3627
Alpine:v3.24tiff4.5.0-r0ALPINE-CVE-2022-3627
Debian:12tiff4.4.0-5DEBIAN-CVE-2022-3627
Debian:13tiff4.4.0-5DEBIAN-CVE-2022-3627
Debian:14tiff4.4.0-5DEBIAN-CVE-2022-3627

Affected products (as reported)

VendorProductVersions
libtiff libtiff <=4.4.0

Weakness: CWE-787 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References