CVE-2023-2731

Public on 2023-05-16

Modified on 2024-01-30

Description

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.

Severity

Medium

See what this means

CVSS v3 Base Score

6.2

See breakdown

Affected Packages

Platform	Package	Release Date	Advisory	Status
Amazon Linux 1	compat-libtiff3			Not Affected
Amazon Linux 2 - Core	compat-libtiff3			Not Affected
Amazon Linux 1	libtiff			Not Affected
Amazon Linux 2 - Core	libtiff			Not Affected
Amazon Linux 2023	libtiff	2023-09-07	ALAS2023-2023-329	Fixed

CVSS Scores

	Score Type	Score	Vector
Amazon Linux	CVSSv3	6.2	CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD	CVSSv3	5.5	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References

FAQs regarding Amazon Linux ALAS/CVE Severity Red Hat: CVE-2023-2731 Mitre: CVE-2023-2731