Technical Description

Multiple Cross Site Scripting vulnerabilities were identified in Amazon Webstore, which may be exploited by attackers to inject malicious HTML codes. These flaws are due to an input validation error in the "index.php" and "closeup.php" scripts which do not properly validate user-supplied input in the "currentIsExpanded", "searchFor", and "image" parameters. An attacker may exploit this vulnerability to cause arbitrary scripting code to be executed by the user's browser. Another issue was reported in Amazon Webstore, which could be exploited to conduct HTTP Response Splitting attacks. This flaw is caused due to insufficient input validation and could be exploited by attackers to inject malicious code into HTTP headers.

Affected Products

Just William's Amazon Webstore version 04050100 and prior

Solution

VUPEN Security is not aware of any vendor-supplied patch.

References

http://www.vupen.com/english/advisories/2005/0422
http://lostmon.blogspot.com/2005/04/amazon-webstore-script-injection-and.html

Credits

Vulnerability reported by Lostmon

ChangeLog

2005-04-28 : Initial release
2005-05-04 : Updated CVE

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