Vulnerability · Published Mar 9, 2021 · Assigned by redhat

CVE-2020-35523

High 7.8

In plain English

A high-severity integer overflow in libtiff. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.9% (higher than 80% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)7.8High
Exploit odds (30 days)1.9%top 20.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

An integer overflow flaw was found in libtiff that exists in the tif_getimage.c file. This flaw allows an attacker to inject and execute arbitrary code when a user opens a crafted TIFF file. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8libtiff4.0.9-20.el8ALSA-2021:4241
AlmaLinux:8libtiff-devel4.0.9-20.el8ALSA-2021:4241
AlmaLinux:8libtiff-tools4.0.9-20.el8ALSA-2021:4241
Alpine:v3.20tiff4.2.0-r0ALPINE-CVE-2020-35523
Alpine:v3.21tiff4.2.0-r0ALPINE-CVE-2020-35523
Alpine:v3.22tiff4.2.0-r0ALPINE-CVE-2020-35523
Alpine:v3.23tiff4.2.0-r0ALPINE-CVE-2020-35523
Alpine:v3.24tiff4.2.0-r0ALPINE-CVE-2020-35523
Debian:12tiff4.1.0+git201212-1DEBIAN-CVE-2020-35523
Debian:13tiff4.1.0+git201212-1DEBIAN-CVE-2020-35523
Debian:14tiff4.1.0+git201212-1DEBIAN-CVE-2020-35523
Rocky Linux:8libtiff0:4.0.9-20.el8RLSA-2021:4241

Affected products (as reported)

VendorProductVersions
n/a libtiff libtiff 4.2.0

Weakness: CWE-190

References