CVE-2022-0562

Public on 2022-02-11

Modified on 2023-01-18

Description

A flaw was found in libtiff where a NULL source pointer passed as an argument to the memcpy() function within the TIFFReadDirectory() in tif_dirread.c. This flaw allows an attacker to exploit this vulnerability via a crafted TIFF file, causing a crash and leading to a denial of service.

Severity

Medium

See what this means

CVSS v3 Base Score

5.5

See breakdown

Affected Packages

Platform	Package	Release Date	Advisory
Amazon Linux 1	libtiff	2022-07-28 20:38	ALAS-2022-1625
Amazon Linux 2 - Core	libtiff	2022-07-06 03:14	ALAS2-2022-1814
Amazon Linux 2 - Core	libtiff	2022-05-31 23:50	ALAS2-2022-1799
Amazon Linux 2023	libtiff	2023-02-17 20:45	ALAS2023-2023-050

CVSS Scores

	Score Type	Score	Vector
Amazon Linux	CVSSv3	5.5	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NVD	CVSSv2	4.3	AV:N/AC:M/Au:N/C:N/I:N/A:P
NVD	CVSSv3	5.5	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References

Red Hat: CVE-2022-0562 Mitre: CVE-2022-0562 FAQs regarding Amazon Linux ALAS/CVE Severity