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Fedora 34 2021-bb3ea1e191 Moderate: Lasso XML Signature Issue

fedora
Calendar Grey June 10, 2021
Dist Fedora Esm H88
Stay informed about the critical XML signature wrapping vulnerability in Lasso for Fedora 34. Address it by upgrading Lasso, reviewing SAML implementations, and applying patches.
CVE-2021-28091 lasso: XML signature wrapping vulnerability when parsing SAML responses

Summary

Lasso is a library that implements the Liberty Alliance Single Sign On

standards, including the SAML and SAML2 specifications. It allows to handle

the whole life-cycle of SAML based Federations, and provides bindings

for multiple languages.

CVE-2021-28091 lasso: XML signature wrapping vulnerability when parsing SAML

responses

* Wed Jun 2 2021 Jakub Hrozek - 2.7.0

- Lasso 2.7.0

- https://listes.entrouvert.com/arc/lasso/2021-06/msg00000.html

- don't package java bindings as they are not maintained upstream

anymore and there seem to be no users

- Resolves: rhbz#1966607 - CVE-2021-28091 lasso: XML signature wrapping

vulnerability when parsing SAML responses

* Sun May 23 2021 Jitka Plesnikova - 2.6.1-9

- Perl 5.34 rebuild

[ 1 ] Bug #1940089 - CVE-2021-28091 lasso: XML signature wrapping vulnerability when parsing SAML responses

https://bugzilla.redhat.com/show_bug.cgi?id=1940089

su -c 'dnf upgrade --advisory FEDORA-2021-bb3ea1e191' at the command

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

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

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Change Log

References

Update Instructions

Severity
important
Lowest
Low
Medium
High
Critical

Product: Fedora 34
Version: 2.7.0
Release: 1.fc34
Summary: Liberty Alliance Single Sign On

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