CVE-2020-36314 : fr-archive-libarchive.c in GNOME file-roller through 3.38.0, as used by GNOME Sh

fr-archive-libarchive.c in GNOME file-roller through 3.38.0, as used by GNOME Shell 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-2020-11736.

Published 2021-04-07 12:15:13

Updated 2022-06-28 14:11:45

Source MITRE

View at NVD, CVE.org

Vulnerability category: Directory traversal

Products affected by CVE-2020-36314

Gnome » File-roller
Versions up to, including, (<=) 3.38.0
cpe:2.3:a:gnome:file-roller:*:*:*:*:*:*:*:*
Matching versions
Fedoraproject » Fedora » Version: 34
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2020-36314

EPSS FAQ

0.19%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 42 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2020-36314

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
2.6	LOW	AV:L/AC:H/Au:N/C:N/I:P/A:P	1.9	4.9	NIST
Access Vector: Local Access Complexity: High Authentication: None Confidentiality Impact: None Integrity Impact: Partial Availability Impact: Partial
3.9	LOW	CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:L	1.3	2.5	NIST
Attack Vector: Local Attack Complexity: Low Privileges Required: Low User Interaction: Required Scope: Unchanged Confidentiality: None Integrity: Low Availability: Low

CWE ids for CVE-2020-36314

CWE-59 Improper Link Resolution Before File Access ('Link Following')

The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2020-36314

https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6KJBZVCHQ4SSX2JAJZVJ5J4P3GEMXJ75/

[SECURITY] Fedora 34 Update: file-roller-3.38.0-3.fc34 - package-announce - Fedora Mailing-Lists
Mailing List;Third Party Advisory
https://gitlab.gnome.org/GNOME/file-roller/-/commit/e970f4966bf388f6e7c277357c8b186c645683ae

libarchive: Skip files with symlinks in parents (e970f496) · Commits · GNOME / File Roller · GitLab
Patch;Vendor Advisory
https://gitlab.gnome.org/GNOME/file-roller/-/issues/108

CVE-2020-36314: GNOME Archive Manager Traversal Attack (#108) · Issues · GNOME / File Roller · GitLab
Exploit;Issue Tracking;Vendor Advisory

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Vulnerability Details : CVE-2020-36314

Products affected by CVE-2020-36314

Exploit prediction scoring system (EPSS) score for CVE-2020-36314

CVSS scores for CVE-2020-36314

CWE ids for CVE-2020-36314

References for CVE-2020-36314