Description

Python before 3.3.4 RC1 allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via a file size value larger than the size of the zip file to the (1) ZipExtFile.read, (2) ZipExtFile.read(n), (3) ZipExtFile.readlines, (4) ZipFile.extract, or (5) ZipFile.extractall function.

References

http://bugs.python.org/issue20078

http://hg.python.org/cpython/rev/79ea4ce431b1

http://lists.apple.com/archives/security-announce/2015/Aug/msg00001.html

http://lists.opensuse.org/opensuse-updates/2014-05/msg00008.html

http://seclists.org/oss-sec/2014/q1/592

http://seclists.org/oss-sec/2014/q1/595

http://www.securityfocus.com/bid/65179

http://www.securitytracker.com/id/1029973

https://docs.python.org/3.3/whatsnew/changelog.html

https://security.gentoo.org/glsa/201503-10

https://support.apple.com/kb/HT205031

Details

Risk Information

CVSS v2