CVE-2013-7338
HIGH severity · CVSS 7.1 · Improper input validation
7.1CVSS HIGH
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexity—
Privileges required—
User interaction—
Confidentiality impactNone
Integrity impactNone
Availability impact—
Exploit probability (EPSS)5%
AV:N/AC:M/Au:N/C:N/I:N/A:C
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: http://bugs.python.org/issue20078 ↗
Additional information
- NVD record
- http://bugs.python.org/issue20078Patch
- http://hg.python.org/cpython/rev/79ea4ce431b1Patch
- http://lists.apple.com/archives/security-announce/2015/Aug/msg00001.html
- http://lists.opensuse.org/opensuse-updates/2014-05/msg00008.htmlAdvisory
- http://seclists.org/oss-sec/2014/q1/592Advisory
- http://seclists.org/oss-sec/2014/q1/595Advisory
- http://www.securityfocus.com/bid/65179Advisory
- http://www.securitytracker.com/id/1029973Advisory