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Name: |
Mangelnde Prüfung von Zertifikaten in pyOpenSSL |
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ID: |
USN-1965-1 |
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Distribution: |
Ubuntu |
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Plattformen: |
Ubuntu 10.04 LTS, Ubuntu 12.04 LTS, Ubuntu 12.10, Ubuntu 13.04 |
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Datum: |
Di, 24. September 2013, 09:10 |
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Referenzen: |
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-4314 |
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Applikationen: |
pyOpenSSL |
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Originalnachricht |
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========================================================================== Ubuntu Security Notice USN-1965-1 September 23, 2013
pyopenssl vulnerability ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 13.04 - Ubuntu 12.10 - Ubuntu 12.04 LTS - Ubuntu 10.04 LTS
Summary:
Fraudulent security certificates could allow sensitive information to be exposed when accessing the Internet.
Software Description: - pyopenssl: Python wrapper around the OpenSSL library
Details:
It was discovered that pyOpenSSL did not properly handle certificates with NULL characters in the Subject Alternative Name field. An attacker could exploit this to perform a man in the middle attack to view sensitive information or alter encrypted communications.
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 13.04: python-openssl 0.13-2ubuntu3.1 python3-openssl 0.13-2ubuntu3.1
Ubuntu 12.10: python-openssl 0.13-2ubuntu1.1 python3-openssl 0.13-2ubuntu1.1
Ubuntu 12.04 LTS: python-openssl 0.12-1ubuntu2.1
Ubuntu 10.04 LTS: python-openssl 0.10-1ubuntu0.1
In general, a standard system update will make all the necessary changes.
References: http://www.ubuntu.com/usn/usn-1965-1 CVE-2013-4314
Package Information: https://launchpad.net/ubuntu/+source/pyopenssl/0.13-2ubuntu3.1 https://launchpad.net/ubuntu/+source/pyopenssl/0.13-2ubuntu1.1 https://launchpad.net/ubuntu/+source/pyopenssl/0.12-1ubuntu2.1 https://launchpad.net/ubuntu/+source/pyopenssl/0.10-1ubuntu0.1
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