CVE-2013-7338

Public Exploit

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.

Category

7.1
CVSS
Severity: High
CVSS 2.0 •
EPSS 6.33% Top 10%
Vendor Advisory opensuse.org Vendor Advisory gentoo.org Vendor Advisory apple.com Vendor Advisory python.org Vendor Advisory python.org Vendor Advisory python.org Vendor Advisory apple.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://seclists.org/oss-sec/2014/q1/592 third party advisory mailing list
http://www.securityfocus.com/bid/65179 vdb entry third party advisory
http://lists.opensuse.org/opensuse-updates/2014-05/msg00008.html mailing list third party advisory vendor advisory
http://hg.python.org/cpython/rev/79ea4ce431b1 exploit patch vendor advisory
https://security.gentoo.org/glsa/201503-10 third party advisory vendor advisory
http://lists.apple.com/archives/security-announce/2015/Aug/msg00001.html mailing list vendor advisory
http://bugs.python.org/issue20078 exploit patch vendor advisory
http://seclists.org/oss-sec/2014/q1/595 third party advisory mailing list
https://support.apple.com/kb/HT205031 patch vendor advisory
http://www.securitytracker.com/id/1029973 vdb entry third party advisory
https://docs.python.org/3.3/whatsnew/changelog.html vendor advisory

Frequently Asked Questions

What is the severity of CVE-2013-7338?
CVE-2013-7338 has been scored as a high severity vulnerability.
How to fix CVE-2013-7338?
To fix CVE-2013-7338, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2013-7338 being actively exploited in the wild?
It is possible that CVE-2013-7338 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~6% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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