PT-2024-25855 · Libxmljs2 · Libxmljs2

Uriya Yavnieli · Published 2024-05-02 · Updated 2024-11-25 · CVE-2024-34394

Positive Technologies (AI Summary)

CVSS v4.0

9.2

Critical

Base vector

AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Name of the Vulnerable Software and Affected Versions libxmljs2 (affected versions not specified)

Description The issue is related to a type confusion vulnerability that occurs when parsing a specially crafted XML. This happens when the namespaces() function is invoked on a grand-child of a node that refers to an entity, which in turn invokes XmlNode::get local namespaces(). The vulnerability can lead to denial of service and remote code execution.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Type Confusion

Weakness Enumeration

CWE-843

Related Identifiers

CVE-2024-34394

GHSA-78H3-PG4X-J8CV

Affected Products

Libxmljs2

References · 8

• https://osv.dev/vulnerability/CVE-2024-34394 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2024-34394 · Security Note
• https://osv.dev/vulnerability/GHSA-78h3-pg4x-j8cv · Vendor Advisory
• https://github.com/marudor/libxmljs2/issues/205 · Note
• https://github.com/marudor/libxmljs2 · Note
• https://research.jfrog.com/vulnerabilities/libxmljs2-namespaces-type-confusion-rce-jfsa-2024-001034098 · Note
• https://t.me/cvenotify/78916 · Telegram Post
• https://twitter.com/CVEnew/status/1786114316472836232 · Twitter Post