SB2013062801 - Input validation error in js-yaml (npm)



SB2013062801 - Input validation error in js-yaml (npm)

Published: June 28, 2013 Updated: August 11, 2020

Security Bulletin ID SB2013062801
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Input validation error (CVE-ID: CVE-2013-4660)

CWE-ID: CWE-20 - Improper input validation

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


The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

The JS-YAML module before 2.0.5 for Node.js parses input without properly considering the unsafe !!js/function tag, which allows remote attackers to execute arbitrary code via a crafted string that triggers an eval operation.


Remediation

Install update from vendor's website.