SB2019100401 - Multiple vulnerabilities in ClamAV 



SB2019100401 - Multiple vulnerabilities in ClamAV

Published: October 4, 2019

Security Bulletin ID SB2019100401
Severity
High
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

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

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Out-of-bounds write (CVE-ID: CVE-2019-12900)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error within the BZ2_decompress() function in decompress.c. A remote attacker can create a specially crafted archive, trick the victim into opening it using the affected library, trigger out-of-bounds write and execute arbitrary code on the target system.

2) Resource management error (CVE-ID: CVE-2019-12625)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to incorrect processing of large zip archives. A remote attacker can send an overly large zip file and consume all available system resources.


Remediation

Install update from vendor's website.