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CVE-2020-19131

Published: 7 September 2021

Buffer Overflow in LibTiff v4.0.10 allows attackers to cause a denial of service via the "invertImage()" function in the component "tiffcrop".

Notes

AuthorNote
mdeslaur
reproducer causes an out-of-bounds read, so DoS only

Priority

Negligible

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
tiff
Launchpad, Ubuntu, Debian
bionic
Released (4.0.9-5ubuntu0.7)
focal Not vulnerable
(4.1.0+git191117-2ubuntu0.20.04.1)
hirsute Not vulnerable
(4.2.0-1build1)
upstream
Released (4.1.0)
xenial
Released (4.0.6-1ubuntu0.8+esm2)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
impish Not vulnerable
(4.3.0-1)
jammy Not vulnerable
(4.3.0-6)
trusty
Released (4.0.3-7ubuntu0.11+esm2)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
Patches:
upstream: https://gitlab.com/libtiff/libtiff/-/merge_requests/61
upstream: https://gitlab.com/libtiff/libtiff/-/commit/9cfa5c469109c207bf3b916c52e618d4400ba2c0

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H