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Debian Security Advisory DSA-4630-1                   security@debian.org
https://www.debian.org/security/                       Moritz Muehlenhoff
February 21, 2020                     https://www.debian.org/security/faq
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Package        : python-pysaml2
CVE ID         : CVE-2020-5390

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 the oldstable distribution (stretch), this problem has been fixed
in version 3.0.0-5+deb9u1.

For the stable distribution (buster), this problem has been fixed in
version 5.4.1-2+deb10u1.

We recommend that you upgrade your python-pysaml2 packages.

For the detailed security status of python-pysaml2 please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/python-pysaml2

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: debian-security-announce@lists.debian.org
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