Vulnerability identifier: #VU1433

Vulnerability risk: High

CVSSv3.1: 6.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:F/RL:O/RC:C]

CVE-ID: CVE-2009-1481

CWE-ID: CWE-89

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
PJBlog3
Web applications / Forum & blogging software

Vendor: PJHome

Description
The vulnerability allows a remote attacker to inject SQL commands on the target system.

The weakness exists in the checkAlias action when processing malformed data passed via "cname" parameter. A remote attacker can send a specially crafted HTTP request to vulnerable script and execute arbitrary SQL queries in web application database..

Successful exploitation of the vulnerability results in compromise of vulnerable system.

Note: this vulnerability was being actively exploited.

Mitigation
Install update from vendor's website.

Vulnerable software versions

PJBlog3: 3.0.6.170

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External links
http://downloads.securityfocus.com/vulnerabilities/exploits/34701.vbs
http://www.securityfocus.com/bid/34701

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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, a fully functional exploit for this vulnerability is available.