GHSA-xxx9-3xcr-gjj3: XML Injection in Xerces Java affects Nokogiri

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
Public exploit or detection template: none known
Published: 2022-04-11 · updated 2024-12-05
Weakness: CWE-91

Description

## Summary Nokogiri v1.13.4 updates the vendored `xerces:xercesImpl` from 2.12.0 to 2.12.2, which addresses [CVE-2022-23437](https://nvd.nist.gov/vuln/detail/CVE-2022-23437). That CVE is scored as CVSS 6.5 "Medium" on the NVD record. Please note that this advisory only applies to the **JRuby** implementation of Nokogiri `< 1.13.4`. ## Mitigation Upgrade to Nokogiri `>= v1.13.4`. ## Impact ### [CVE-2022-23437](https://nvd.nist.gov/vuln/detail/CVE-2022-23437) in xerces-J - **Severity**: Medium - **Type**: [CWE-91](https://cwe.mitre.org/data/definitions/91.html) XML Injection (aka Blind XPath Injection) - **Description**: There's a vulnerability within the Apache Xerces Java (XercesJ) XML parser when handling specially crafted XML document payloads. This causes, the XercesJ XML parser to wait in an infinite loop, which may sometimes consume system resources for prolonged duration. This vulnerability is present within XercesJ version 2.12.1 and the previous versions. - **See also**: https://github.com/advisories/GHSA-h65f-jvqw-m9fj

Affected products

Rubygems Nokogiri: before 1.13.4; 1.0.0, 1.0.1, 1.0.2, 1.0.3, 1.0.4, 1.0.5 (+137) — fixed in 1.13.4

How to fix

Upgrade to a fixed version: Rubygems Nokogiri 1.13.4. Check the vendor advisory for mitigations.

References

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