Rapid7 Vulnerability & Exploit Database

Debian: CVE-2021-23177: libarchive -- security update

Free InsightVM Trial No Credit Card Necessary
Watch Demo See how it all works
Back to Search

Debian: CVE-2021-23177: libarchive -- security update

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
05/02/2022
Created
05/03/2022
Added
05/02/2022
Modified
08/29/2022

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.

Solution(s)

  • debian-upgrade-libarchive

References

insightVM

Advanced vulnerability management analytics and reporting.
Key Features
Free InsightVM Trial View All Features

With Rapid7 live dashboards, I have a clear view of all the assets on my network, which ones can be exploited, and what I need to do in order to reduce the risk in my environment in real-time. No other tool gives us that kind of value and insight.

– Scott Cheney, Manager of Information Security, Sierra View Medical Center

;