SB2020052317 - Fedora 31 update for libarchive



SB2020052317 - Fedora 31 update for libarchive

Published: May 23, 2020 Updated: April 25, 2025

Security Bulletin ID SB2020052317
Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Buffer overflow (CVE-ID: CVE-2020-9308)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing RAR5 files in archive_read_support_format_rar5.c in libarchive. A remote attacker can create a specially crafted RAR5 file, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Remediation

Install update from vendor's website.