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AUSCERT External Security Bulletin Redistribution
ESB-2017.2131
PySAML2 vulnerability
25 August 2017
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AusCERT Security Bulletin Summary
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Product: python-pysaml2
Publisher: Ubuntu
Operating System: Ubuntu
Impact/Access: Access Confidential Data -- Remote/Unauthenticated
Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2016-10149
Reference: ESB-2017.0959
Original Bulletin:
http://www.ubuntu.com/usn/usn-3402-1
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USN-3402-1: PySAML2 vulnerability
Ubuntu Security Notice USN-3402-1 24th
August, 2017
python-pysaml2 vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
Ubuntu 17.04
Ubuntu 16.04 LTS
Summary
The system could be made to expose sensitive information.
Software description
python-pysaml2 - Pure python implementation of SAML2
Details
It was discovered that PySAML2 incorrectly handled certain SAML XML requests
and responses. A remote attacker could use this issue to read arbitrary files.
Update instructions
The problem can be corrected by updating your system to the following package
version:
Ubuntu 17.04:
python-pysaml2 3.0.0-3ubuntu1.17.04.1
python3-pysaml2 3.0.0-3ubuntu1.17.04.1
Ubuntu 16.04 LTS:
python-pysaml2 3.0.0-3ubuntu1.16.04.1
python3-pysaml2 3.0.0-3ubuntu1.16.04.1
To update your system, please follow
these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
References
CVE-2016-10149
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