Python hashlib module integer overflow

python-hashlib-overflow (44174)

Low Risk

Description:

The Python hashlib module is vulnerable to an integer overflow, which could result in weaker than expected security related to the cryptographic digest.

Platforms Affected:

• Apple, Mac OS X 10.4.11
• Apple, Mac OS X 10.5.6
• Apple, Mac OS X Server 10.4.11
• Apple, Mac OS X Server 10.5.6
• Canonical, Ubuntu 6.06 LTS
• Canonical, Ubuntu 7.04
• Canonical, Ubuntu 7.10
• Canonical, Ubuntu 8.04 LTS
• Gentoo, Linux
• MandrakeSoft, Mandrake Linux 2007.1 X86_64
• MandrakeSoft, Mandrake Linux 2007.1
• MandrakeSoft, Mandrake Linux 2008.0 X86_64
• MandrakeSoft, Mandrake Linux 2008.0
• MandrakeSoft, Mandrake Linux 2008.1 X86_64
• MandrakeSoft, Mandrake Linux 2008.1
• Python Software Foundation, Python 1.5.2
• Python Software Foundation, Python 1.6
• Python Software Foundation, Python 1.6.1
• Python Software Foundation, Python 2.0
• Python Software Foundation, Python 2.0.1
• Python Software Foundation, Python 2.1
• Python Software Foundation, Python 2.1.1
• Python Software Foundation, Python 2.1.2
• Python Software Foundation, Python 2.1.3
• Python Software Foundation, Python 2.2
• Python Software Foundation, Python 2.2.1
• Python Software Foundation, Python 2.2.2
• Python Software Foundation, Python 2.2.3
• Python Software Foundation, Python 2.3
• Python Software Foundation, Python 2.3.1
• Python Software Foundation, Python 2.3.2
• Python Software Foundation, Python 2.3.3
• Python Software Foundation, Python 2.3.4
• Python Software Foundation, Python 2.3.5
• Python Software Foundation, Python 2.3.6
• Python Software Foundation, Python 2.4
• Python Software Foundation, Python 2.4.1
• Python Software Foundation, Python 2.4.2
• Python Software Foundation, Python 2.4.3
• Python Software Foundation, Python 2.4.4
• Python Software Foundation, Python 2.5
• Python Software Foundation, Python 2.5.1
• Python Software Foundation, Python 2.5.2

Remedy:

Refer to the Python SVN Repository for patch, upgrade or suggested workaround information. See References.

For other distributions:
Apply the appropriate update for your system. See References.

Consequences:

Other

References:

• Apple Web site, About the security content of Security Update 2009-001 at http://support.apple.com/kb/HT3438.
• Gentoo Bugzilla Bug 230640, dev-lang/python <2.4.4-r14 integer overflows (CVE-2008-2315, CVE-2008-2316) at http://bugs.gentoo.org/show_bug.cgi?id=230640.
• Python SVN Repository, Repository at http://svn.python.org/view/.
• Python Web site, Python Programming Language -- Official Website at http://www.python.org/.
• BID-30491: Python Multiple Buffer Overflow Vulnerabilities
• CVE-2008-2316: Integer overflow in _hashopenssl.c in the hashlib module in Python 2.5.2 and earlier might allow context-dependent attackers to defeat cryptographic digests, related to partial hashlib hashing of data exceeding 4GB.
• GLSA 200807-16: Python: Multiple vulnerabilities
• GLSA-200807-16: Python: Multiple vulnerabilities
• MDVSA-2008:163: python
• SA31305: Python Multiple Vulnerabilities
• SA33937: Apple Mac OS X Security Update Fixes Multiple Vulnerabilities
• SUSE-SR:2008:017: SUSE Security Summary Report
• USN-632-1: Python vulnerabilities
• VUPEN/ADV-2008-2288: Python Multiple Module Buffer and Integer Overflow Vulnerabilities

Reported:

Jul 31, 2008

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