CVE-2013-7338

Home/CVE/Python before 3.3.4 RC1 allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via a f

CVE

Python before 3.3.4 RC1 allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via a f

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.

HIGH · CVSS 7.1 EPSS 0.0778

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EPSS percentile: top 8% of all CVEs by exploitation likelihood
Public exploit or PoC is available
CVSS base score ≥ 7.0

Sigma rules8 YARA rules0

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Weakness Classification

CWE-20Improper Input Validation

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Affected Products & Versions

pythonall versions

apple mac os x<= 10.10.4

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Public Exploits & PoCs

pocbugs.python.org · issue20078bugs.python.org

pochg.python.org · 79ea4ce431b1hg.python.org

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Sigma Hunt Rules

Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.

producthighPython Reverse Shell Execution Via PTY And Socket Modules

producthighInline Python Execution - Spawn Shell Via OS System Library

producthighPython One-Liners with Base64 Decoding - Linux

producthighPython Function Execution Security Warning Disabled In Excel

producthighPython One-Liners with Base64 Decoding

producthighPython Spawning Pretty TTY on Windows

Show all 8 top matches

producthighCredential Dumping Activity By Python Based Tool

producthighPython Function Execution Security Warning Disabled In Excel - Registry

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Scoring & Timeline

7.1

HIGH · CVSS v2 (legacy) · cve@mitre.org

View on NVD

This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.

v2 Vector

AV:N/AC:M/Au:N/C:N/I:N/A:C

Published to NVD22 Apr 2014 · 02:23 PM

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References & Sources

Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.

http://lists.apple.com/archives/security-announce/2015/Aug/msg00001.htmlMailing List

http://lists.opensuse.org/opensuse-updates/2014-05/msg00008.htmlMailing ListThird Party Advisory

http://seclists.org/oss-sec/2014/q1/592Mailing ListThird Party Advisory

http://seclists.org/oss-sec/2014/q1/595Mailing ListThird Party Advisory

http://www.securityfocus.com/bid/65179Third Party AdvisoryVDB Entry

http://www.securitytracker.com/id/1029973Third Party AdvisoryVDB Entry

Show all 9 references

https://docs.python.org/3.3/whatsnew/changelog.htmlVendor Advisory

https://security.gentoo.org/glsa/201503-10Third Party Advisory

https://support.apple.com/kb/HT205031PatchVendor Advisory

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