CVE-2022-3627 Information

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.

CVSS Vector

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

Reference

https://gitlab.com/libtiff/libtiff/-/commit/236b7191f04c60d09ee836ae13b50f812c841047 https://gitlab.com/libtiff/libtiff/-/issues/411 https://gitlab.com/gitlab-org/cves/-/blob/master/2022/CVE-2022-3627.json

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

6.5