Nokogiri Gem 1.5.x XML Document xml entity expansion

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability has been found in Nokogiri Gem 1.5.x and classified as problematic. This impacts an unknown function of the component XML Document Handler. Performing a manipulation results in xml entity expansion. This vulnerability is known as CVE-2013-6460. Remote exploitation of the attack is possible. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as problematic has been found in Nokogiri Gem 1.5.x. This affects an unknown part of the component XML Document Handler. The manipulation with an unknown input leads to a xml entity expansion vulnerability. CWE is classifying the issue as CWE-776. The product uses XML documents and allows their structure to be defined with a Document Type Definition (DTD), but it does not properly control the number of recursive definitions of entities. This is going to have an impact on availability. The summary by CVE is:

Nokogiri gem 1.5.x has Denial of Service via infinite loop when parsing XML documents

The bug was discovered 12/14/2013. The weakness was published 11/05/2019 by Jonas Nicklas, Yoko Harada and John Shahid. This vulnerability is uniquely identified as CVE-2013-6460 since 11/04/2013. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 2152 days. During that time the estimated underground price was around $0-$5k.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at SecurityFocus (BID 64513†) and OSVDB (101179†). Similar entry is available at VDB-144946. 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: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Xml entity expansion
CWE: CWE-776
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/04/2013 🔍
12/14/2013 +40 days 🔍
12/24/2013 +10 days 🔍
11/05/2019 +2142 days 🔍
11/06/2019 +1 days 🔍
02/04/2024 +1551 days 🔍

Sourcesinfo

Advisory: openwall.com
Researcher: Jonas Nicklas, Yoko Harada, John Shahid
Status: Not defined

CVE: CVE-2013-6460 (🔍)
GCVE (CVE): GCVE-0-2013-6460
GCVE (VulDB): GCVE-100-144945
X-Force: 90058
SecurityFocus: 64513 - Ruby Nokogiri Gem XML Parsing Multiple Denial of Service Vulnerabilities
OSVDB: 101179

See also: 🔍

Entryinfo

Created: 11/06/2019 06:50
Updated: 02/04/2024 08:28
Changes: 11/06/2019 06:50 (40), 11/06/2019 06:55 (21), 02/04/2024 08:28 (5)
Complete: 🔍
Cache ID: 216::103

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

Discussion

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