CVE-2020-19131

Publication date 7 September 2021

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

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

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
tiff	22.04 LTS jammy	Not affected
	21.10 impish	Not affected
	21.04 hirsute	Not affected
	20.04 LTS focal	Not affected
	18.04 LTS bionic	Fixed 4.0.9-5ubuntu0.7
	16.04 LTS xenial	Fixed 4.0.6-1ubuntu0.8+esm2 Ubuntu Pro
	14.04 LTS trusty	Fixed 4.0.3-7ubuntu0.11+esm2 Ubuntu Pro

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Notes

mdeslaur

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

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
tiff	Upstream: https://gitlab.com/libtiff/libtiff/-/merge_requests/61 Upstream: 9cfa5c4

Severity score breakdown

Parameter	Value
Base score	7.5 · High
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