ALT-PU-2025-5046-2
Closed vulnerabilities
Published: 2019-10-08
BDU:2021-05383
Уязвимость библиотеки libntlm реализации протокола сетевой аутентификации NT LAN Manager (NTLM), позволяющая нарушителю выполнить произвольный код или вызвать отказ в обслуживании
Severity: CRITICAL (9.8)
Vector: AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: CRITICAL (10.0)
Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C
References:
Published: 2019-10-10
Modified: 2024-11-21
Modified: 2024-11-21
CVE-2019-17455
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.
Severity: HIGH (7.5)
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P
Severity: CRITICAL (9.8)
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References:
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00029.html
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00032.html
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=942145
- https://gitlab.com/jas/libntlm/issues/2
- https://lists.debian.org/debian-lts-announce/2020/05/msg00010.html
- https://lists.debian.org/debian-lts-announce/2021/11/msg00026.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3BVFO3OVJPMSGIXBKNOCVOJZ3UTGZQF5/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YZ5YWYNOJ5HMCKAHWLTY4MXZQWJJCBI7/
- https://people.canonical.com/~ubuntu-security/cve/2019/CVE-2019-17455.html
- https://security-tracker.debian.org/tracker/CVE-2019-17455
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00029.html
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00032.html
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=942145
- https://gitlab.com/jas/libntlm/issues/2
- https://lists.debian.org/debian-lts-announce/2020/05/msg00010.html
- https://lists.debian.org/debian-lts-announce/2021/11/msg00026.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3BVFO3OVJPMSGIXBKNOCVOJZ3UTGZQF5/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YZ5YWYNOJ5HMCKAHWLTY4MXZQWJJCBI7/
- https://people.canonical.com/~ubuntu-security/cve/2019/CVE-2019-17455.html
- https://security-tracker.debian.org/tracker/CVE-2019-17455