CVE-2023-39176

Nov. 18, 2024, 5:11 p.m.

5.8
Medium

Description

A flaw was found within the parsing of SMB2 requests that have a transform header in the kernel ksmbd module. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this to disclose sensitive information on affected installations of Linux. Only systems with ksmbd enabled are vulnerable to this CVE.

Product(s) Impacted

Product Versions
Linux Kernel

Weaknesses

CWE-125
Out-of-bounds Read
The product reads data past the end, or before the beginning, of the intended buffer.

References

https://access.redhat.com/security/cve/CVE-2023-39176
https://bugzilla.redhat.com/show_bug.cgi?id=2326503
https://www.zerodayinitiative.com/advisories/ZDI-24-586/

Tags

CWE-125
patrick@puiterwijk.org
2024-11-18
CVE-2023-39176

CVSS Score

5.8 / 10

CVSS Data

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

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

Date

  • Published: Nov. 18, 2024, 10:15 a.m.
  • Last Modified: Nov. 18, 2024, 5:11 p.m.

Status : Awaiting Analysis

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

More info

Source

patrick@puiterwijk.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.