drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Mangelnde Prüfung von Signaturen in PySAML2
Name: |
Mangelnde Prüfung von Signaturen in PySAML2 |
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ID: |
USN-4245-1 |
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Distribution: |
Ubuntu |
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Plattformen: |
Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 19.04, Ubuntu 19.10 |
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Datum: |
Di, 21. Januar 2020, 23:16 |
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Referenzen: |
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-5390 |
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Applikationen: |
PySAML2 |
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Originalnachricht |
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========================================================================== Ubuntu Security Notice USN-4245-1 January 21, 2020
python-pysaml2 vulnerability ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 19.10 - Ubuntu 19.04 - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS
Summary:
PySAML2 could be made to bypass signature verification with arbitrary data.
Software Description: - python-pysaml2: Pure python implementation of SAML2
Details:
It was discovered that PySAML2 incorrectly handled certain SAML files. An attacker could possibly use this issue to bypass signature verification with arbitrary data.
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 19.10: python-pysaml2 4.5.0+dfsg1-0ubuntu2.19.10.1 python3-pysaml2 4.5.0+dfsg1-0ubuntu2.19.10.1
Ubuntu 19.04: python-pysaml2 4.5.0+dfsg1-0ubuntu2.19.04.1 python3-pysaml2 4.5.0+dfsg1-0ubuntu2.19.04.1
Ubuntu 18.04 LTS: python-pysaml2 4.0.2-0ubuntu3.1 python3-pysaml2 4.0.2-0ubuntu3.1
Ubuntu 16.04 LTS: python-pysaml2 3.0.0-3ubuntu1.16.04.4 python3-pysaml2 3.0.0-3ubuntu1.16.04.4
In general, a standard system update will make all the necessary changes.
References: https://usn.ubuntu.com/4245-1 CVE-2020-5390
Package Information: https://launchpad.net/ubuntu/+source/python-pysaml2/4.5.0+dfsg1-0ubuntu2.19.10.1 https://launchpad.net/ubuntu/+source/python-pysaml2/4.5.0+dfsg1-0ubuntu2.19.04.1 https://launchpad.net/ubuntu/+source/python-pysaml2/4.0.2-0ubuntu3.1 https://launchpad.net/ubuntu/+source/python-pysaml2/3.0.0-3ubuntu1.16.04.4
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