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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 ↗