SB2018013035 - Null pointer dereference in clamav (Alpine package)



SB2018013035 - Null pointer dereference in clamav (Alpine package)

Published: January 30, 2018

Security Bulletin ID SB2018013035
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Null pointer dereference (CVE-ID: CVE-2017-12380)

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists due to input validation checking mechanisms during parsing the rfc2047 function in mbox.c during certain mail parsing functions. A remote attacker can send a specially crafted email, trigger a NULL pointer dereference condition and cause the service to crash.

Remediation

Install update from vendor's website.