CVE-2019-17455

NameCVE-2019-17455
DescriptionLibntlm 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severityhigh
Debian Bugs942145

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
libntlm (PTS)jessie1.4-3vulnerable
stretch1.4-8vulnerable
buster1.5-1vulnerable
bullseye, sid1.5-2vulnerable

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
libntlmsource(unstable)(unfixed)942145

Notes

[buster] - libntlm <no-dsa> (Minor issue)
[stretch] - libntlm <no-dsa> (Minor issue)
[jessie] - libntlm <no-dsa> (Minor issue)
https://gitlab.com/jas/libntlm/issues/2

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