JS-YAML up to 2.0.4 input validation

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in JS-YAML. This vulnerability affects unknown code. Performing a manipulation results in input validation. This vulnerability was named CVE-2013-4660. In addition, an exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in JS-YAML. This affects some unknown functionality. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

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.

The weakness was presented 06/28/2013 (Website). The advisory is shared at nealpoole.com. This vulnerability is uniquely identified as CVE-2013-4660 since 06/24/2013. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are unknown but a public exploit is available.

The exploit is shared for download at exploit-db.com. It is declared as highly functional.

Upgrading to version 0.3.6 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Exploit-DB (28655). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Highly functional
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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MetaSploit ID: nodejs_js_yaml_load_code_exec.rb
MetaSploit Name: Nodejs js-yaml load() Code Execution
MetaSploit File: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: JS-YAML 0.3.6

Timelineinfo

06/24/2013 🔍
06/28/2013 +4 days 🔍
06/28/2013 +0 days 🔍
03/24/2015 +634 days 🔍
12/02/2025 +3906 days 🔍

Sourcesinfo

Advisory: nealpoole.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2013-4660 (🔍)
GCVE (CVE): GCVE-0-2013-4660
GCVE (VulDB): GCVE-100-64353
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 03/24/2015 15:54
Updated: 12/02/2025 15:31
Changes: 03/24/2015 15:54 (48), 03/17/2019 23:20 (2), 12/17/2024 06:11 (22), 12/02/2025 15:31 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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