CVE-2023-2731

State: Published
Severity: 5.5 Medium
Published: May 17, 2023
Updated: Jan 22, 2025
Reserved: May 16, 2023

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.

Scores

CVSS	Score	Vector	Source
3.1	5.5 Medium	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H	CISA-ADP

Weaknesses

CWE-476 NULL Pointer Dereference

Affected Products

Product	Versions
libtiffn/a	Fixed in libtiff v4.5.0Affected

References

https://gitlab.com/libtiff/libtiff/-/issues/548
https://bugzilla.redhat.com/show_bug.cgi?id=2207635
https://github.com/libsdl-org/libtiff/commit/9be22b639ea69e102d3847dca4c53ef025e9527b
https://access.redhat.com/security/cve/CVE-2023-2731
https://security.netapp.com/advisory/ntap-20230703-0009/

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