CVE-2024-39908— Denial of service in REXML
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I. Basic Information for CVE-2024-39908
Vulnerability Information
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Vulnerability Title
Denial of service in REXML
Source: NVD (National Vulnerability Database)
Vulnerability Description
REXML is an XML toolkit for Ruby. The REXML gem before 3.3.1 has some DoS vulnerabilities when it parses an XML that has many specific characters such as `<`, `0` and `%>`. If you need to parse untrusted XMLs, you many be impacted to these vulnerabilities. The REXML gem 3.3.2 or later include the patches to fix these vulnerabilities. Users are advised to upgrade. Users unable to upgrade should avoid parsing untrusted XML strings.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: NVD (National Vulnerability Database)
Vulnerability Title
REXML 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
REXML是Ruby开源的一个用于 Ruby 的 XML 工具包。 REXML 3.3.2之前版本存在安全漏洞，该漏洞源于存在拒绝服务漏洞。
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
II. Public POCs for CVE-2024-39908
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | CVE-2024-39908 full poc | https://github.com/SpiralBL0CK/CVE-2024-39908 | POC Details |
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- https://github.com/ruby/rexml/security/advisories/GHSA-4xqq-m2hx-25v8x_refsource_CONFIRM
- CVE-2024-39908: DoS vulnerability in REXMLx_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2024-39908
IV. Related Vulnerabilities
Same vendor: ruby
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net-imap: Quadratic complexity when reading response literal - CVE-2026-42246
net-imap vulnerable to STARTTLS stripping via invalid respon
Same weakness: CWE-400
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V. Comments for CVE-2024-39908
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