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CVE-2013-7338

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Date: April 22, 2014

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.

Language: Python

Severity Score

Related Resources (14)

https://nvd.nist.gov/vuln/detail/CVE-2013-7338
http://lists.apple.com/archives/security-announce/2015/Aug/msg00001.html
http://www.securitytracker.com/id/1029973
https://docs.python.org/3.3/whatsnew/changelog.html
http://hg.python.org/cpython/rev/79ea4ce431b1
http://seclists.org/oss-sec/2014/q1/595
https://support.apple.com/kb/HT205031
http://seclists.org/oss-sec/2014/q1/592
http://lists.opensuse.org/opensuse-updates/2014-05/msg00008.html
http://bugs.python.org/issue20078
https://security.gentoo.org/glsa/201503-10
http://www.securityfocus.com/bid/65179
https://bugs.python.org/issue20078
https://www.mend.io/vulnerability-database/CVE-2013-7338

Severity Score

Weakness Type (CWE)

Input Validation

CWE-20

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): COMPLETE
Additional information:

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