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Ubuntu USN-729-1 (python-crypto)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
The remote host is missing an update to python-crypto announced via advisory USN-729-1.
Insight
Insight
Mike Wiacek discovered that the ARC2 implementation in Python Crypto did not correctly check the key length. If a user or automated system were tricked into processing a malicious ARC2 stream, a remote attacker could execute arbitrary code or crash the application using Python Crypto, leading to a denial of service.
Solution
Solution
The problem can be corrected by upgrading your system to the following package versions: Ubuntu 6.06 LTS: python2.4-crypto 2.0.1+dfsg1-1ubuntu1.1 Ubuntu 7.10: python-crypto 2.0.1+dfsg1-2ubuntu1.1 Ubuntu 8.04 LTS: python-crypto 2.0.1+dfsg1-2.1ubuntu1.1 Ubuntu 8.10: python-crypto 2.0.1+dfsg1-2.3ubuntu0.1 In general, a standard system upgrade is sufficient to effect the necessary changes. https://secure1.securityspace.com/smysecure/catid.html?in=USN-729-1