CVE-2019-17455

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.

References

https://security-tracker.debian.org/tracker/CVE-2019-17455

https://people.canonical.com/~ubuntu-security/cve/2019/CVE-2019-17455.html

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YZ5YWYNOJ5HMCKAHWLTY4MXZQWJJCBI7/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3BVFO3OVJPMSGIXBKNOCVOJZ3UTGZQF5/

https://lists.debian.org/debian-lts-announce/2021/11/msg00026.html

https://lists.debian.org/debian-lts-announce/2020/05/msg00010.html

https://gitlab.com/jas/libntlm/issues/2

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=942145

http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00032.html

http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00029.html

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3