← Back to CVEs

CVE-2019-17455

CRITICAL

9.8

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.

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published10/10/2019

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

canonical:ubuntu_linuxdebian:debian_linuxfedoraproject:fedoranongnu:libntlmopensuse:backports_sleopensuse:leap

Weaknesses (CWE)

CWE-125

References

http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00029.html(cve@mitre.org)

http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00032.html(cve@mitre.org)

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=942145(cve@mitre.org)

https://gitlab.com/jas/libntlm/issues/2(cve@mitre.org)

https://lists.debian.org/debian-lts-announce/2020/05/msg00010.html(cve@mitre.org)

https://lists.debian.org/debian-lts-announce/2021/11/msg00026.html(cve@mitre.org)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3BVFO3OVJPMSGIXBKNOCVOJZ3UTGZQF5/(cve@mitre.org)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YZ5YWYNOJ5HMCKAHWLTY4MXZQWJJCBI7/(cve@mitre.org)

https://people.canonical.com/~ubuntu-security/cve/2019/CVE-2019-17455.html(cve@mitre.org)

https://security-tracker.debian.org/tracker/CVE-2019-17455(cve@mitre.org)

http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00029.html(af854a3a-2127-422b-91ae-364da2661108)

http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00032.html(af854a3a-2127-422b-91ae-364da2661108)

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=942145(af854a3a-2127-422b-91ae-364da2661108)

https://gitlab.com/jas/libntlm/issues/2(af854a3a-2127-422b-91ae-364da2661108)

https://lists.debian.org/debian-lts-announce/2020/05/msg00010.html(af854a3a-2127-422b-91ae-364da2661108)

https://lists.debian.org/debian-lts-announce/2021/11/msg00026.html(af854a3a-2127-422b-91ae-364da2661108)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3BVFO3OVJPMSGIXBKNOCVOJZ3UTGZQF5/(af854a3a-2127-422b-91ae-364da2661108)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YZ5YWYNOJ5HMCKAHWLTY4MXZQWJJCBI7/(af854a3a-2127-422b-91ae-364da2661108)

https://people.canonical.com/~ubuntu-security/cve/2019/CVE-2019-17455.html(af854a3a-2127-422b-91ae-364da2661108)

https://security-tracker.debian.org/tracker/CVE-2019-17455(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.