CVE-2022-22844 Information

Description

LibTIFF 4.3.0 has an out-of-bounds read in _TIFFmemcpy in tif_unix.c in certain situations involving a custom tag and 0x0200 as the second word of the DE field.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Reference

https://gitlab.com/libtiff/libtiff/-/issues/355 https://gitlab.com/libtiff/libtiff/-/merge_requests/287 https://lists.debian.org/debian-lts-announce/2022/03/msg00001.html https://security.netapp.com/advisory/ntap-20220311-0002/ https://www.debian.org/security/2022/dsa-5108

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

5.5