CVEvulnerability
CVE-2019-17455
9.8 CRITICAL
Official page ↗
- Status
- Modified
- Published
- 2019-10-10
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-125
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.
Affected configurations
• nongnu libntlm (<= 1.5)
• debian debian linux 8.0
• debian debian linux 9.0
• canonical ubuntu linux 14.04
• canonical ubuntu linux 16.04
• canonical ubuntu linux 18.04
• canonical ubuntu linux 20.04
• fedoraproject fedora 32
• fedoraproject fedora 33
• opensuse backports sle 15.0
• opensuse leap 15.1
Related
Weakness · CWE (1)
- CWE-125 Out-of-bounds Read weakness
References
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00029.html Mailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00032.html Mailing List, Third Party Advisory
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=942145 Exploit, Issue Tracking, Mailing List, Third Party Advisory
- https://gitlab.com/jas/libntlm/issues/2 Exploit, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/05/msg00010.html Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/11/msg00026.html Mailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3BVFO3OVJPMSGIXBKNOCVOJZ3UTGZQF5/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YZ5YWYNOJ5HMCKAHWLTY4MXZQWJJCBI7/ lists.fedoraproject.org
- https://people.canonical.com/~ubuntu-security/cve/2019/CVE-2019-17455.html Third Party Advisory
- https://security-tracker.debian.org/tracker/CVE-2019-17455 Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00029.html Mailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00032.html Mailing List, Third Party Advisory
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=942145 Exploit, Issue Tracking, Mailing List, Third Party Advisory
- https://gitlab.com/jas/libntlm/issues/2 Exploit, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/05/msg00010.html Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/11/msg00026.html Mailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3BVFO3OVJPMSGIXBKNOCVOJZ3UTGZQF5/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YZ5YWYNOJ5HMCKAHWLTY4MXZQWJJCBI7/ lists.fedoraproject.org
- https://people.canonical.com/~ubuntu-security/cve/2019/CVE-2019-17455.html Third Party Advisory
- https://security-tracker.debian.org/tracker/CVE-2019-17455 Third Party Advisory