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Ubuntu: (Multiple Advisories) (CVE-2019-17455): libntlm vulnerability

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Ubuntu: (Multiple Advisories) (CVE-2019-17455): libntlm vulnerability

Severity
8
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
Published
10/10/2019
Created
10/13/2021
Added
10/09/2021
Modified
03/22/2023

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.

Solution(s)

  • ubuntu-upgrade-libntlm0

References

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