SB2014031327 - Cryptographic issues in jansson (Alpine package)



SB2014031327 - Cryptographic issues in jansson (Alpine package)

Published: March 13, 2014

Security Bulletin ID SB2014031327
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) Cryptographic issues (CVE-ID: CVE-2013-6401)

The vulnerability allows a remote non-authenticated attacker to perform service disruption.

Jansson, possibly 2.4 and earlier, does not restrict the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a denial of service (CPU consumption) via a crafted JSON document.


Remediation

Install update from vendor's website.