CVE-2022-24836— Inefficient Regular Expression Complexity 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 1.13.4之前版本存在安全漏洞，该漏洞源于当试图检测HTML文档中的编码时，它容易受到过度回溯的影响。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2022-24836
Vulnerability Information
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Vulnerability Title
Inefficient Regular Expression Complexity in Nokogiri
Source: CVE Program / CVE List V5
Vulnerability Description
Nokogiri is an open source XML and HTML library for Ruby. Nokogiri `< v1.13.4` contains an inefficient regular expression that is susceptible to excessive backtracking when attempting to detect encoding in HTML documents. Users are advised to upgrade to Nokogiri `>= 1.13.4`. There are no known workarounds for this issue.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未加控制的资源消耗(资源穷尽)
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 1.13.4之前版本存在安全漏洞，该漏洞源于当试图检测HTML文档中的编码时，它容易受到过度回溯的影响。
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 | < 1.13.4 | - |
|
II. Public POCs for CVE-2022-24836
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2022-24836 (1)
Vendor Advisories for CVE-2022-24836 (3)
-
https://security.gentoo.org/glsa/202208-29 vendor-advisory
Mailing List Discussions for CVE-2022-24836 (6)
-
http://seclists.org/fulldisclosure/2022/Dec/23 mailing-list
IV. Related Vulnerabilities
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Nokogiri before 1.19.1 Unchecked Return Value canonicalize
Same weakness: CWE-400
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V. Comments for CVE-2022-24836
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