ALT-PU-2025-5000-4

Package update libntlm in branch sisyphus

Version1.5-alt2

Published2025-04-01

Max severityCRITICAL

Severity:

Closed issues (2)

CRITICAL9.8

Уязвимость библиотеки libntlm реализации протокола сетевой аутентификации NT LAN Manager (NTLM), позволяющая нарушителю выполнить произвольный код или вызвать отказ в обслуживании

Published: 2021-11-11Modified: 2025-07-01

CVSS 3.xCRITICAL 9.8

CVSS:3.x/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS 2.0CRITICAL 10.0

CVSS:2.0/AV:N/AC:L/Au:N/C:C/I:C/A:C

References

CVE-2019-17455

CRITICAL9.8

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: 2019-10-10Modified: 2024-11-21

CVSS 2.0HIGH 7.5

CVSS:2.0/AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS 3.xCRITICAL 9.8

CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References