SB2019013137 - Infinite loop in wavpack (Alpine package)



SB2019013137 - Infinite loop in wavpack (Alpine package)

Published: January 31, 2019

Security Bulletin ID SB2019013137
CSH 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 vulnerability.


1) Infinite loop (CVE-ID: CVE-2018-19840)

CWE-ID: CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear


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

The vulnerability exists in the WavpackPackInit function, as defined in the pack_utils.csource code file due to the WavpackSetConfiguration64 function improperly handles a block sample rate of zero. A remote attacker can trick the victim into accessing a .wav file that submits malicious, trigger an infinite loop condition that could consume excessive resources and cause the affected software to crash, resulting in a DoS condition.


Remediation

Install update from vendor's website.