CVE-2022-0891

Published: 10 March 2022

A heap buffer overflow in ExtractImageSection function in tiffcrop.c in libtiff library Version 4.3.0 allows attacker to trigger unsafe or out of bounds memory access via crafted TIFF image file which could result into application crash, potential information disclosure or any other context-dependent impact

Priority

Cvss 3 Severity Score

7.1

Score breakdown

Status

Package	Release	Status
tiff Launchpad, Ubuntu, Debian	bionic	Released (4.0.9-5ubuntu0.5)
	focal	Released (4.1.0+git191117-2ubuntu0.20.04.3)
	impish	Released (4.3.0-1ubuntu0.1)
	jammy	Not vulnerable (4.3.0-6)
	trusty	Released (4.0.3-7ubuntu0.11+esm1)
	upstream	Released (4.4.0, 4.3.0-6)
	xenial	Released (4.0.6-1ubuntu0.8+esm1)
	Patches: upstream: https://gitlab.com/libtiff/libtiff/-/commit/46dc8fcd4d38c3b6f35ab28e532aee80e6f609d6

Severity score breakdown

Parameter	Value
Base score	7.1
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	Low
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H

References

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