CVE-2022-3627

2022-10-2100:00:00

GitLab

www.cve.org

libtiff 4.4.0

out-of-bounds write

tif_unix.c

denial-of-service

crafted tiff file

commit 236b7191

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

7.3

Confidence

High

EPSS

0.006

Percentile

78.6%

JSON

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.

CNA Affected

[
  {
    "vendor": "libtiff",
    "product": "libtiff",
    "versions": [
      {
        "version": "<=4.4.0",
        "status": "affected"
      }
    ]
  }
]