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

fedora
Calendar Grey February 18, 2021
Scroller Fedora
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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