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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities
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CVE-2021-23177 Detail

Description

An improper link resolution flaw while extracting an archive can lead to changing the access control list (ACL) of the target of the link. An attacker may provide a malicious archive to a victim user, who would trigger this flaw when trying to extract the archive. A local attacker may use this flaw to change the ACL of a file on the system and gain more privileges.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://access.redhat.com/security/cve/CVE-2021-23177 Third Party Advisory 
https://bugzilla.redhat.com/show_bug.cgi?id=2024245 Issue Tracking  Patch  Third Party Advisory 
https://github.com/libarchive/libarchive/commit/fba4f123cc456d2b2538f811bb831483bf336bad Patch  Third Party Advisory 
https://github.com/libarchive/libarchive/issues/1565 Issue Tracking  Patch  Third Party Advisory 
https://lists.debian.org/debian-lts-announce/2022/11/msg00030.html Mailing List  Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-59 Improper Link Resolution Before File Access ('Link Following') cwe source acceptance level NIST   Red Hat, Inc.  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

4 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2021-23177
NVD Published Date:
08/23/2022
NVD Last Modified:
12/03/2022
Source:
Red Hat, Inc.