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CVE-2022-29181— Improper Handling of Unexpected Data Type in Nokogiri

Quick assessment

Affected
sparklemotion nokogiri
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Nokogiri是一款用于解析Ruby中HTML和XML的开源软件库。 Nokogiri 1.13.6-1.1 版本及之后版本存在安全漏洞，攻击者利用该漏洞可以触发 Nokogiri 的内存损坏，以触发拒绝服务，并可能运行代码。

CVSS 8.2 · High EPSS 3.23% · P88

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2022-29181

Vulnerability Information
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Vulnerability Title
Improper Handling of Unexpected Data Type in Nokogiri
Source: CVE Program / CVE List V5
Vulnerability Description
Nokogiri is an open source XML and HTML library for Ruby. Nokogiri prior to version 1.13.6 does not type-check all inputs into the XML and HTML4 SAX parsers, allowing specially crafted untrusted inputs to cause illegal memory access errors (segfault) or reads from unrelated memory. Version 1.13.6 contains a patch for this issue. As a workaround, ensure the untrusted input is a `String` by calling `#to_s` or equivalent.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
非预期数据类型处理不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Nokogiri 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Nokogiri是一款用于解析Ruby中HTML和XML的开源软件库。 Nokogiri 1.13.6-1.1 版本及之后版本存在安全漏洞，攻击者利用该漏洞可以触发 Nokogiri 的内存损坏，以触发拒绝服务，并可能运行代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
sparklemotion nokogiri < 1.13.6 -

II. Public POCs for CVE-2022-29181

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III. Intelligence Information for CVE-2022-29181

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Patches & Fixes for CVE-2022-29181 (1)

Vendor Advisories for CVE-2022-29181 (3)

Mailing List Discussions for CVE-2022-29181 (1)

Other References for CVE-2022-29181 (2)

IV. Related Vulnerabilities

Same product: nokogiri
Same vendor: sparklemotion
Same weakness: CWE-241

V. Comments for CVE-2022-29181

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