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AUSCERT External Security Bulletin Redistribution
ESB-2020.0700
python-pysaml2 security update
27 February 2020
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AusCERT Security Bulletin Summary
---------------------------------
Product: python-pysaml2
Publisher: Debian
Operating System: Debian GNU/Linux 8
Impact/Access: Provide Misleading Information -- Remote/Unauthenticated
Reduced Security -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2020-5390
Reference: ESB-2020.0637
ESB-2020.0224
Original Bulletin:
https://lists.debian.org/debian-lts-announce/2020/02/msg00025.html
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Package : python-pysaml2
Version : 2.0.0-1+deb8u3
CVE ID : CVE-2020-5390
Debian Bug : 949322
It was discovered that pysaml2, a Python implementation of SAML to be
used in a WSGI environment, was susceptible to XML signature wrapping
attacks, which could result in a bypass of signature verification.
For Debian 8 "Jessie", this problem has been fixed in version
2.0.0-1+deb8u3.
We recommend that you upgrade your python-pysaml2 packages.
Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS
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