CVE-2023-25564

GSS-NTLMSSP is a mechglue plugin for the GSSAPI library that implements NTLM authentication. Prior to version 1.2.0, memory corruption can be triggered when decoding UTF16 strings. The variable `outlen` was not initialized and could cause writing a zero to an arbitrary place in memory if `ntlm_str_convert()` were to fail, which would leave `outlen` uninitialized. This can lead to a denial of service if the write hits unmapped memory or randomly corrupts a byte in the application memory space. This vulnerability can trigger an out-of-bounds write, leading to memory corruption. This vulnerability can be triggered via the main `gss_accept_sec_context` entry point. This issue is fixed in version 1.2.0.
Configurations

Configuration 1 (hide)

cpe:2.3:a:gss-ntlmssp_project:gss-ntlmssp:*:*:*:*:*:*:*:*

History

21 Nov 2024, 07:49

Type Values Removed Values Added
References () https://github.com/gssapi/gss-ntlmssp/commit/c753000eb31835c0664e528fbc99378ae0cbe950 - Patch, Third Party Advisory () https://github.com/gssapi/gss-ntlmssp/commit/c753000eb31835c0664e528fbc99378ae0cbe950 - Patch, Third Party Advisory
References () https://github.com/gssapi/gss-ntlmssp/releases/tag/v1.2.0 - Third Party Advisory () https://github.com/gssapi/gss-ntlmssp/releases/tag/v1.2.0 - Third Party Advisory
References () https://github.com/gssapi/gss-ntlmssp/security/advisories/GHSA-r85x-q5px-9xfq - Third Party Advisory () https://github.com/gssapi/gss-ntlmssp/security/advisories/GHSA-r85x-q5px-9xfq - Third Party Advisory
CVSS v2 : unknown
v3 : 8.2
v2 : unknown
v3 : 6.5

Information

Published : 2023-02-14 18:15

Updated : 2024-11-21 07:49


NVD link : CVE-2023-25564

Mitre link : CVE-2023-25564

CVE.ORG link : CVE-2023-25564


JSON object : View

Products Affected

gss-ntlmssp_project

  • gss-ntlmssp
CWE
CWE-787

Out-of-bounds Write