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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.

🗓️ 19 Jan 2022 08:00:00Reported by MicrosoftType 
mscve
 mscve
🔗 msrc.microsoft.com👁 1 Views

Fixed buffer in libntlm authentication paths risks stack overread from crafted NT LAN Manager requests.

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19 Jan 2022 08:00Current
8.3High risk
Vulners AI Score8.3
CVSS 27.5
CVSS 3.19.8
EPSS0.07078
1