CVE-2013-7338: Input Validation

Published Apr 22, 2014
·
Updated

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.

Affected Software

17 affected components
Python Python=3.3.0
Python Python=3.3.0-alpha1
Python Python=3.3.0-alpha2
Python Python=3.3.0-alpha3
Python Python=3.3.0-alpha4
Python Python=3.3.0-beta1
Python Python=3.3.0-beta2
Python Python=3.3.0-rc1
Python Python=3.3.0-rc2
Python Python=3.3.0-rc3
Python Python=3.3.1
Python Python=3.3.1-rc1
Python Python=3.3.2
Python Python=3.3.3
Python Python=3.3.3-rc1
Python Python=3.3.3-rc2
Apple iOS and macOS<=10.10.4

Event History

Apr 22, 2014
CVE Published
via MITRE·02:00 PM
Data Sourced
via MITRE·02:00 PM
Description
Data Sourced
via NVD·02:23 PM
RemedyDescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2013-7338?

CVE-2013-7338 has a medium severity rating due to its potential to cause denial of service through CPU consumption.

2

How do I fix CVE-2013-7338?

To fix CVE-2013-7338, upgrade Python to version 3.3.4 or later.

3

Which Python versions are affected by CVE-2013-7338?

CVE-2013-7338 affects Python versions 3.3.0 through 3.3.3.

4

What type of attack does CVE-2013-7338 facilitate?

CVE-2013-7338 facilitates denial of service attacks by allowing remote attackers to induce an infinite loop.

5

Is CVE-2013-7338 specific to any operating system?

CVE-2013-7338 is not specific to any operating system but affects multiple versions of Python across platforms.

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