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| | ProductCart 'advSearch_h.asp' Input Validation Flaw Lets Remote Users Inject SQL to Execute Arbitrary Commands on the System |
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Categorie: Vulnerability
Posted: 2004-02-18 by ReCall
Views: 350
Source: Click here
| Current Rating: Not rated
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| | Details |
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Description: Several vulnerabilities were reported in ProductCart. A remote user can inject SQL commands and conduct cross-site scripting attacks.
S-Quadra reported that the 'advSearch_h.asp' script does not properly validate user-supplied input. A remote user can supply a specially crafted URL to cause SQL commands to be executed on the underlying database. A remote user can exploit this to gain administrative access to the application and view arbitrary data in the store database, the report said. In addition, a remote user can reportedly invoke xp_cmdshell to execute arbitrary operating system commands on the target system.
It is also reported that 'custva.asp' does not properly validate user-supplied input. A remote user can create a specially crafted URL that, when loaded by a target user, will cause arbitrary scripting code to be executed by the target user's browser. The code will originate from the site running the ProductCart software and will run in the security context of that site. As a result, the code will be able to access the target user's cookies (including authentication cookies), if any, associated with the site, access data recently submitted by the target user via web form to the site, or take actions on the site acting as the target user.
http://[target]/productcart/pc/Custva.asp?redirectUrl="><"
It is also reported that the software uses a stream encryption algorithm to encrypt passwords in the database using a single key. A local user (or a remote user with access to the system) can reportedly perform a choosen plaintext attack to obtain first 100 bytes of keystream (the maximum length of a customer password) and decrypt passwords stored in the database.
The vendor was reportedly notified on January 29, 2004.
Impact: A remote user can execute SQL commands on the target system, including operating system commands via the xp_cmdshell function.
A remote user can access the target user's cookies (including authentication cookies), if any, associated with the site running the ProductCart software, access data recently submitted by the target user via web form to the site, or take actions on the site acting as the target user.
A local user (or a remote user with access to the system) can conduct known plaintext attacks to decrypt passwords stored in the database.
Solution: No solution was available at the time of this entry.
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