SB2019072488 - NULL pointer dereference in sox (Alpine package)



SB2019072488 - NULL pointer dereference in sox (Alpine package)

Published: July 24, 2019

Security Bulletin ID SB2019072488
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) NULL pointer dereference (CVE-ID: CVE-2017-18189)

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

The vulnerability exists due to a NULL pointer dereference error in the startread function in xa.c in Sound eXchange (SoX) through 14.4.2, a corrupt header specifying zero channels triggers an infinite loop with a resultant NULL pointer dereference, which may allow a remote attacker to cause a denial-of-service. A remote attacker can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.