CVE-2022-0562

2022-02-1100:00:00

GitLab

www.cve.org

null pointer

denial of service

libtiff

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

6.4

Confidence

High

EPSS

0.001

Percentile

49.0%

JSON

Null source pointer passed as an argument to memcpy() function within TIFFReadDirectory() in tif_dirread.c in libtiff versions from 4.0 to 4.3.0 could lead to Denial of Service via crafted TIFF file. For users that compile libtiff from sources, a fix is available with commit 561599c.

CNA Affected

[
  {
    "vendor": "libtiff",
    "product": "libtiff",
    "versions": [
      {
        "version": ">=4.0, <=4.3.0",
        "status": "affected"
      }
    ]
  }
]