Improper input validation in Nodeca Js-Yaml
CVE-2013-4660
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.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v2 metric
CVSS v2 base score 6.8 (Medium). Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.173 (97.0th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 97.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.173 · newest: 0.173 · change: 0.000
Affected products
- Nodeca Js-Yaml — versions 0.2.0, 0.2.1, 0.2.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- nealpoole.com/blog/2013/06/code-execution-via-yaml-in-js-yaml-nodejs-module/ (Exploit, Vendor Advisory)
- portal.nodesecurity.io/advisories/js-yaml (Vendor Advisory)
Frequently asked questions
- What is CVE-2013-4660?
- CVE-2013-4660 is a vulnerability in Nodeca Js-Yaml, classified under Improper Input Validation. Published 2013-06-28.
- Is CVE-2013-4660 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.