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Fedora 32: FEDORA-2020-1f643c272c Critical: Libntlm Buffer Overflow

fedora
Calendar Grey February 18, 2021
Dist Fedora Esm H88
Important notice for Fedora 32 concerning the update to the libntlm package, addressing the vulnerability identified as CVE-2019-17455, aimed at improving the security posture.
Update to security fix 1.6 version

Summary

A library for authenticating with Microsoft NTLMV1 challenge-response,

derived from Samba sources.

Update to security fix 1.6 version. Fixes CVE-2019-17455

* Sat Oct 31 2020 Kevin Fenzi - 1.6-1

- Update to 1.6. Fixes CVE-2019-17455

* Sat Aug 1 2020 Fedora Release Engineering - 1.5-4

- Second attempt - Rebuilt for

https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild

* Tue Jul 28 2020 Fedora Release Engineering - 1.5-3

- Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild

[ 1 ] Bug #1768464 - CVE-2019-17455 libntlm: stack-based buffer overflow in buildSmbNtlmAuthRequest in smbutil.c [fedora-all]

https://bugzilla.redhat.com/show_bug.cgi?id=1768464

[ 2 ] Bug #1825591 - libntlm-1.6 is available

https://bugzilla.redhat.com/show_bug.cgi?id=1825591

su -c 'dnf upgrade --advisory FEDORA-2020-1f643c272c' at the command

line. For more information, refer to the dnf documentation available at

https://dnf.readthedocs.io/en/latest/command_ref.html

All packages are signed with the Fedora Project GPG key. More details on the

GPG keys used by the Fedora Project can be found at

https://fedoraproject.org/security/

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Change Log

References

Update Instructions

Severity
critical
Lowest
Low
Medium
High
Critical

Product: Fedora 32
Version: 1.6
Release: 1.fc32
Summary: NTLMv1 authentication library

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