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Secunia Research 20/05/2008
- Foxit Reader "util.printf()" Buffer Overflow -
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Table of Contents
Affected Software....................................................1
Severity.............................................................2
Vendor's Description of Software.....................................3
Description of Vulnerability.........................................4
Solution.............................................................5
Time Table...........................................................6
Credits..............................................................7
References...........................................................8
About Secunia........................................................9
Verification........................................................10
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1) Affected Software
* Foxit Reader 2.3 build 2825
NOTE: Other versions may also be affected.
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2) Severity
Rating: Highly critical
Impact: From remote
Where: System access
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3) Vendor's Description of Software
"Foxit Reader is a free PDF document viewer and printer, with
incredible small size (only 2.55 M download size), breezing-fast
launch speed and rich feature set. Foxit Reader supports Windows Me/
2000/XP/2003/Vista. Its core function is compatible with PDF Standard
1.7.".
Product Link:
http://www.foxitsoftware.com/pdf/rd_intro.php
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4) Description of Vulnerability
Secunia Research has discovered a vulnerability in Foxit Reader, which
can be exploited by malicious people to compromise a user's system.
The vulnerability is caused due to a boundary error when parsing
format strings containing a floating point specifier in the
"util.printf()" JavaScript function. This can be exploited to cause a
stack-based buffer overflow via a specially crafted PDF file.
Successful exploitation allows execution of arbitrary code.
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5) Solution
The vulnerability is fixed in upcoming version 2.3 build 2912.
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6) Time Table
23/04/2008 - Vendor notified.
08/05/2008 - Vendor notified again.
08/05/2008 - Vendor response.
20/05/2008 - Public disclosure.
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7) Credits
Discovered by Dyon Balding, Secunia Research.
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8) References
The Common Vulnerabilities and Exposures (CVE) project has assigned
CVE-2008-1104 for the vulnerability.
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9) About Secunia
Secunia offers vulnerability management solutions to corporate
customers with verified and reliable vulnerability intelligence
relevant to their specific system configuration:
http://corporate.secunia.com/
Secunia also provides a publicly accessible and comprehensive advisory
database as a service to the security community and private
individuals, who are interested in or concerned about IT-security.
http://secunia.com/
Secunia believes that it is important to support the community and to
do active vulnerability research in order to aid improving the
security and reliability of software in general:
http://corporate.secunia.com/secunia_research/33/
Secunia regularly hires new skilled team members. Check the URL below
to see currently vacant positions:
http://secunia.com/secunia_vacancies/
Secunia offers a FREE mailing list called Secunia Security Advisories:
http://secunia.com/secunia_security_advisories/
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10) Verification
Please verify this advisory by visiting the Secunia website:
http://secunia.com/secunia_research/2008-18/
Complete list of vulnerability reports published by Secunia Research:
http://secunia.com/secunia_research/
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