CVE-2024-40896

Dec. 24, 2024, 3:15 a.m.

9.1
Critical

Description

In libxml2 2.11 before 2.11.9, 2.12 before 2.12.9, and 2.13 before 2.13.3, the SAX parser can produce events for external entities even if custom SAX handlers try to override entity content (by setting "checked"). This makes classic XXE attacks possible.

Product(s) Impacted

Product Versions
libxml2
  • 2.11 before 2.11.9
  • 2.12 before 2.12.9
  • 2.13 before 2.13.3

Weaknesses

CWE-611
Improper Restriction of XML External Entity Reference
The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output.

References

https://gitlab.gnome.org/GNOME/libxml2/-/commit/1a8932303969907f6572b1b6aac4081c56adb5c6
https://gitlab.gnome.org/GNOME/libxml2/-/issues/761

Tags

cve@mitre.org
CWE-611
2024-12-23
CVE-2024-40896

CVSS Score

9.1 / 10

CVSS Data

  • Attack Vector: NETWORK
  • Attack Complexity: LOW
  • Privileges Required: NONE
  • Scope: UNCHANGED
  • Confidentiality Impact: NONE
  • Integrity Impact: HIGH
  • Availability Impact: HIGH
    • View Vector String

    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Date

  • Published: Dec. 23, 2024, 5:15 p.m.
  • Last Modified: Dec. 24, 2024, 3:15 a.m.

Status : Awaiting Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

cve@mitre.org

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.