CVE-2021-28650

Publication date 17 March 2021

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

autoar-extractor.c in GNOME gnome-autoar before 0.3.1, as used by GNOME Shell, Nautilus, and other software, allows Directory Traversal during extraction because it lacks a check of whether a file's parent is a symlink in certain complex situations. NOTE: this issue exists because of an incomplete fix for CVE-2020-36241.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
gnome-autoar	21.04 hirsute	Not affected
	20.10 groovy	Fixed 0.2.4-2ubuntu0.3
	20.04 LTS focal	Fixed 0.2.3-2ubuntu0.3
	18.04 LTS bionic	Fixed 0.2.3-1ubuntu0.3
	16.04 LTS xenial	Not in release
	14.04 LTS trusty	Not in release

Patch details

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

Package	Patch details
gnome-autoar	Upstream: https://gitlab.gnome.org/GNOME/gnome-autoar/-/merge_requests/15/commits Upstream: f4792b2 Upstream: f2175bd Upstream: b5c8efc Upstream: 9ba3d2d Upstream: 2955fae Upstream: f26d32e Upstream: 88e21e8 Upstream: c4b0b9c Upstream: 7f2e186 Upstream: 8109c36 Upstream: 2c8d163 Upstream: 32957ff

Severity score breakdown

Parameter	Value
Base score	5.5 · Medium
Attack vector	Local
Attack complexity	Low
Privileges required	Low
User interaction	None
Scope	Unchanged
Confidentiality	High
Integrity impact	None
Availability impact	None
Vector	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CVE-2021-28650

Cvss 3 Severity Score

Description

Status

Patch details

Severity score breakdown

References

Related Ubuntu Security Notices (USN)

Other references