SB20230816201 - Fedora 37 update for clamav

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Main Vulnerability Database SB20230816201

SB20230816201 - Fedora 37 update for clamav

Published: August 16, 2023 Updated: April 19, 2024

Security Bulletin ID SB20230816201
Severity
Critical
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Critical 50% Medium 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Heap-based buffer overflow (CVE-ID: CVE-2023-20032)

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

The vulnerability exists due to a boundary error in the HFS+ partition file parser. A remote attacker can pass specially crafted data to the application, trigger a heap-based buffer overflow and execute arbitrary code on the target system.

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


2) XML External Entity injection (CVE-ID: CVE-2023-20052)

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to enabling XML entity substitution. A remote attacker can pass a specially crafted XML code to the antivirus and view bytes from any file that may be read by the ClamAV scanning process.



Remediation

Install update from vendor's website.

References