Upstream information

CVE-2019-17455 at MITRE


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.

SUSE information

Overall state of this security issue: Does not affect SUSE products

This issue is currently rated as having critical severity.

CVSS v2 Scores
  National Vulnerability Database
Base Score 7.5
Vector AV:N/AC:L/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
CVSS v3 Scores
  National Vulnerability Database
Base Score 9.8
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
CVSSv3 Version 3.1
SUSE Bugzilla entry: 1153669 [IN_PROGRESS]

SUSE Security Advisories:

List of released packages

Product(s) Fixed package version(s) References
SUSE Package Hub 15 SP1
  • libntlm-devel >= 1.6-bp151.4.3.1
  • libntlm0 >= 1.6-bp151.4.3.1
openSUSE Leap 15.1
  • libntlm-devel >= 1.6-lp151.3.3.1
  • libntlm0 >= 1.6-lp151.3.3.1
openSUSE Tumbleweed
  • libntlm-devel >= 1.6-1.8
  • libntlm0 >= 1.6-1.8

Status of this issue by product and package

Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification. The updates are grouped by state of their lifecycle. SUSE product lifecycles are documented on the lifecycle page.

Product(s) Source package State
Products under general support and receiving all security fixes.
SUSE Manager Proxy Module 4.3 libntlm Analysis
SUSE Manager Server Module 4.3 libntlm Analysis
Products past their end of life and not receiving proactive updates anymore.
SUSE Manager Proxy Module 4.2 libntlm Analysis
SUSE Manager Server Module 4.2 libntlm Analysis
SUSE Package Hub 15 SP1 libntlm Released

SUSE Timeline for this CVE

CVE page created: Fri Oct 11 08:44:38 2019
CVE page last modified: Wed Jul 3 12:27:04 2024