backupDB() v1.2.7a (onlyDB) Remote XSS Vulnerability

2012-05-16 / 2012-08-15
Credit: Gjoko 'LiquidWorm' Krstic
Risk: Low
Local: No
Remote: Yes
CVE: CVE-2012-2911
CWE: CWE-79


CVSS Base Score: 4.3/10
Impact Subscore: 2.9/10
Exploitability Subscore: 8.6/10
Exploit range: Remote
Attack complexity: Medium
Authentication: No required
Confidentiality impact: None
Integrity impact: Partial
Availability impact: None

backupDB() v1.2.7a (onlyDB) Remote XSS Vulnerability Vendor: SiliSoftware Product web page: http://www.silisoftware.com Affected version: 1.2.7a-201108021626 Summary: backupDB() is a PHP script that backs up MySQL tables and databases to a file (uncompressed, gzip, bzip2) for easy daily backup. Desc: backupDB is prone to a cross-site scripting vulnerability. This issue is due to a failure in the application to properly sanitize user-supplied input to the 'onlyDB' parameter of the 'backupDB.php' script. Attackers can exploit this weakness to execute arbitrary HTML and script code in a user's browser session. Tested on: Microsoft Windows XP Professional SP3 (EN) Apache 2.2.21 PHP 5.3.8 MySQL 5.5.20 Vulnerability discovered by Gjoko 'LiquidWorm' Krstic @zeroscience Advisory ID: ZSL-2012-5089 Advisory URL: http://www.zeroscience.mk/en/vulnerabilities/ZSL-2012-5089.php 15.05.2012 -- GET [SOME_CMS]/backupDB/backupDB.php?onlyDB="><script>alert(document.cookie);</script> HTTP/1.1

References:

http://www.zeroscience.mk/en/vulnerabilities/ZSL-2012-5089.php
http://www.silisoftware.com


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