Security Advisory

CVE-2019-17455

9.8
CRITICAL

Vulnerability Description

Libntlm through 1.5 relies on a fixed buffer size for tSmbNtlmAuthRequest, tSmbNtlmAuthChallenge, and tSmbNtlmAuthResponse read and write operations, as demonstrated by a stack-based buffer over-read in buildSmbNtlmAuthRequest in smbutil.c for a crafted NTLM request.
Published Date October 10, 2019
Official Source NIST NVD Advisory