CVE-2020-35524

high

Description

A heap-based buffer overflow flaw was found in libtiff in the handling of TIFF images in libtiff's TIFF2PDF tool. A specially crafted TIFF file can lead to arbitrary code execution. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

References

https://gitlab.com/rzkn/libtiff/-/commit/7be2e452ddcf6d7abca88f41d3761e6edab72b22

https://bugzilla.redhat.com/show_bug.cgi?id=1932044

https://gitlab.com/libtiff/libtiff/-/merge_requests/159

https://www.debian.org/security/2021/dsa-4869

https://lists.fedoraproject.org/archives/list/[email protected]/message/BMHBYFMX3D5VGR6Y3RXTTH3Q4NF4E6IG/

https://security.gentoo.org/glsa/202104-06

https://security.netapp.com/advisory/ntap-20210521-0009/

https://lists.debian.org/debian-lts-announce/2021/06/msg00023.html

Details

Source: MITRE

Published: 2021-03-09

Updated: 2021-07-08

Type: CWE-119

Risk Information

CVSS v2

Base Score: 6.8

Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

Impact Score: 6.4

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3

Base Score: 7.8

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

Impact Score: 5.9

Exploitability Score: 1.8

Severity: HIGH