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CVE-2024-34393

Medium Severity
SVRS
30/100
CVSSv3
NA/10
EPSS
0.00321/1

CVE-2024-34393 is a type confusion vulnerability in libxmljs2. Parsing specially crafted XML and invoking attrs() on a parsed node can trigger this flaw. While the CVSS score is 0, the SOCRadar Vulnerability Risk Score (SVRS) of 30 indicates a potential risk requiring monitoring. This vulnerability can lead to denial of service, data leaks, infinite loops, and potentially remote code execution on 32-bit systems with specific configurations. Organizations using libxmljs2 should investigate this vulnerability and consider patching or mitigation strategies. The risk is significant due to the potential for various exploit outcomes, though the SVRS suggests a moderate level of immediate threat compared to critical vulnerabilities. This issue highlights the importance of careful XML parsing and input validation.

TAGS
In The Wild
VECTOR STRING
PUBLICATION DATE2024-05-02
LAST MODIFIED2024-05-03
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Description

CVE-2024-34393 is a type confusion vulnerability in libxmljs2, a JavaScript library for parsing XML documents. When parsing a specially crafted XML document, the vulnerability can lead to denial of service, data leaks, infinite loops, and remote code execution. The vulnerability is particularly severe on 32-bit systems with the XML_PARSE_HUGE flag enabled.

Key Insights

  • The vulnerability has a CVSS score of 8.1, indicating a high severity.
  • The SVRS score of 42 indicates a moderate level of risk.
  • The vulnerability can be exploited remotely, making it easy for attackers to target vulnerable systems.
  • The vulnerability can lead to a variety of serious consequences, including data leaks and remote code execution.

Mitigation Strategies

  • Update to the latest version of libxmljs2.
  • Disable the XML_PARSE_HUGE flag on 32-bit systems.
  • Implement input validation to prevent the parsing of malicious XML documents.
  • Use a web application firewall to block malicious requests.

Additional Information

  • There are no known active exploits for this vulnerability.
  • CISA has not issued a warning for this vulnerability.
  • The vulnerability is not currently being exploited in the wild.

If users have additional queries regarding this incident, they can use the 'Ask to Analyst' feature, contact SOCRadar directly, or open a support ticket for more information if necessary.

Indicators of Compromise

No IOCs found for this CVE

Exploits

No exploits found for this CVE

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News

CVE-2024-34393 | libxmljs2 up to 0.33.0 XML attrs type confusion (ID 204)
vuldb.com2024-11-25
CVE-2024-34393 | libxmljs2 up to 0.33.0 XML attrs type confusion (ID 204) | A vulnerability classified as problematic has been found in libxmljs2 up to 0.33.0. This affects the function attrs of the component XML Handler. The manipulation leads to type confusion. This vulnerability is uniquely identified as CVE-2024-34393. It is possible to initiate the attack
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Social Media

CVE-2024-34393 libxmljs2 is vulnerable to a type confusion vulnerability when parsing a specially crafted XML while invoking a function on the result of attrs() that was called on a parsed node. This vulnerability... https://t.co/Coo7OgQADo
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CVE-2024-34393 libxmljs2 is vulnerable to a type confusion vulnerability when parsing a specially crafted XML while invoking a function on the result of attrs() that was called on a… https://t.co/kPWZCtYvaP
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Affected Software

No affected software found for this CVE

References

ReferenceLink
[email protected]https://github.com/marudor/libxmljs2/issues/204
[email protected]https://research.jfrog.com/vulnerabilities/libxmljs2-attrs-type-confusion-rce-jfsa-2024-001034097/
GITHUBhttps://github.com/marudor/libxmljs2/issues/204
GITHUBhttps://research.jfrog.com/vulnerabilities/libxmljs2-attrs-type-confusion-rce-jfsa-2024-001034097/

CWE Details

No CWE details found for this CVE

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