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)
ReferencesDLA-2207-1, DLA-2831-1
NVD severityhigh
Debian Bugs942145

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
libntlm (PTS)stretch1.4-8vulnerable
stretch (security)1.4-8+deb9u1fixed
buster1.5-1+deb10u1fixed
bullseye1.6-3fixed
bookworm, sid1.6-4fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
libntlmsourcejessie1.4-3+deb8u1DLA-2207-1
libntlmsourcestretch1.4-8+deb9u1DLA-2831-1
libntlmsourcebuster1.5-1+deb10u1
libntlmsource(unstable)1.6-1942145

Notes

https://gitlab.com/jas/libntlm/issues/2
https://gitlab.com/jas/libntlm/-/commit/b967886873fcf19f816b9c0868465f2d9e5df85e

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