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.

Risk Information

Base Score
9.8
MODERATE
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score
Exploitation Probability
7.078

Associated Vulnerability

VulnerabilityOS Platform
NTLM authentication library (USN-5108-1) libntlm0_1.4-8ubuntu0.1_i386.debLinux
NTLM authentication library (USN-5108-1) libntlm0_1.4-8ubuntu0.1_amd64.debLinux
NTLM authentication library (USN-5108-1) libntlm0_1.5-2ubuntu0.1_amd64.debLinux

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234