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Research > Zero-Day Tracker > 20130107

Foxit Reader Firefox Plugin Buffer Overflow

Date Disclosed:

Date Patched:

Foxit Corporation

Affected Software:
Foxit Reader and possibly previous versions (npFoxitReaderPlugin.dll for Firefox)
Foxit PhantomPDF 5.4.2 and possibly previous versions (npFoxitReaderPlugin.dll for Firefox)

The Foxit Reader Firefox plugin contains a vulnerability caused by a boundary error when reading in an overly long filename within an URL. This causes a stack-based buffer overflow that may be leveraged to remotely execute code within the context of the currently logged on user. 


Code Execution:

Remote Code Execution
Exploitation of this vulnerability is possible via maliciously crafted PDF documents. Attackers who successfully exploit this vulnerability will be able to execute code on the vulnerable system with the same rights as the currently logged on user.

Update Foxit Reader to 5.4.5 and Foxit PhantomPDF to 5.4.3, both of which contain the updated Firefox plugin (npFoxitReaderPlugin.dll

BeyondTrust's Retina® Network Security Scanner scans devices to detect for this vulnerability.

  • 18010 - Foxit Reader Firefox Plugin Buffer Overflow (20130108)


2013-01-07 - Original advisory released
2013-01-14 - Foxit released updated Firefox plugin
2013-01-17 - Foxit released updated Foxit Reader 5.4.5
2013-02-07 - Foxit released updated Foxit PhantomPDF to 5.4.3

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