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Last updated: 5/31/2016 3:56:21 PM

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Vulnerability Summary for CVE-2011-2745

Original release date: 07/26/2011
Last revised: 09/21/2011


upload_handler.php in the swfupload extension in Chyrp 2.0 and earlier relies on client-side JavaScript code to restrict the file extensions of uploaded files, which allows remote authenticated users to upload a .php file, and consequently execute arbitrary PHP code, via a write_post action to the default URI under admin/.


CVSS Severity (version 2.0):
CVSS v2 Base Score: 6.5 MEDIUM
Impact Subscore: 6.4
Exploitability Subscore: 8.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

References to Advisories, Solutions, and Tools

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External Source: BID
Name: 48672
External Source: MISC
Name: http://www.justanotherhacker.com/advisories/JAHx113.txt
External Source: MLIST
Name: [oss-security] 20110713 [oCERT-2011-001] Chyrp input sanitization errors
External Source: MLIST
Name: [oss-security] 20110713 Re: [oCERT-2011-001] Chyrp input sanitization errors
External Source: SREASON
Name: 8314

Vulnerable software and versions

+ Configuration 1
+ OR
cpe:/a:chyrp:chyrp:2.0 and previous versions

* Denotes Vulnerable Software
Changes related to vulnerability configurations

Technical Details

Vulnerability Type (View All)
  • Permissions, Privileges, and Access Control (CWE-264)