#VU44486 SQL injection in Vtiger CRM - CVE-2011-4559

Vulnerability identifier: #VU44486

Vulnerability risk: Medium

CVSSv4.0: 5.5 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/U:Green]

CVE-ID: CVE-2011-4559

CWE-ID: CWE-89

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
Vtiger CRM
Other software / Other software solutions

Vendor: Vtiger

Description

The vulnerability allows a remote attacker to execute arbitrary SQL queries in database.

The vulnerability exists due to insufficient sanitization of user-supplied data passed via the onlyforuser parameter in an index action to index.php. A remote attacker can send a specially crafted request to the affected application and execute arbitrary SQL commands within the application database.

Successful exploitation of this vulnerability may allow a remote attacker to read, delete, modify data in database and gain complete control over the affected application.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Vtiger CRM: 1.0 - 5.2.0

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External links
https://osvdb.org/76138
https://seclists.org/fulldisclosure/2011/Oct/224
https://www.securityfocus.com/archive/1/520006/100/0/threaded
https://www.securityfocus.com/bid/49948
https://yehg.net/lab/pr0js/advisories/%5BvTiger_5.2.1%5D_blind_sqlin
https://exchange.xforce.ibmcloud.com/vulnerabilities/70344

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.