MGASA-2020-0219 - Updated libntlm packages fix security vulnerability

Publication date: 24 May 2020
URL: https://advisories.mageia.org/MGASA-2020-0219.html
Type: security
Affected Mageia releases: 7
CVE: CVE-2019-17455

Updated libntlm packages fix security vulnerability:

It was discovered that 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-2019-17455).

References:
- https://bugs.mageia.org/show_bug.cgi?id=26609
- https://www.debian.org/lts/security/2020/dla-2207
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-17455

SRPMS:
- 7/core/libntlm-1.6-1.mga7

Mageia 2020-0219: libntlm security update

Updated libntlm packages fix security vulnerability: It was discovered that libntlm through 1.5 relies on a fixed buffer size for tSmbNtlmAuthRequest, tSmbNtlmAuthChallenge, and t...

Summary

Updated libntlm packages fix security vulnerability:
It was discovered that 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-2019-17455).

References

- https://bugs.mageia.org/show_bug.cgi?id=26609

- https://www.debian.org/lts/security/2020/dla-2207

- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-17455

Resolution

MGASA-2020-0219 - Updated libntlm packages fix security vulnerability

SRPMS

- 7/core/libntlm-1.6-1.mga7

Severity
Publication date: 24 May 2020
URL: https://advisories.mageia.org/MGASA-2020-0219.html
Type: security
CVE: CVE-2019-17455

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