#VU1250 OS command injection in Payment Client - CVE-2007-4925

Vulnerability identifier: #VU1250

Vulnerability risk: Critical

CVSSv4.0: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Red]

CVE-ID: CVE-2007-4925

CWE-ID: CWE-78

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
Payment Client
Web applications / E-Commerce systems

Vendor: EWire

Description

The vulnerability allows a remote attacker to execute arbitrary commands on vulnerable system.

The vulnerability exists due to insufficient sanitization of user-supplied input passed via "paymentinfo" HTTP GET parameter to "simplePHPLinux/3payment_receive.php" script. A remote attacker can send a specially crafted HTTP Get request to vulnerable script and execute arbitrary OS commands on vulnerable system with privileges of the web server.

Successful exploitation of the vulnerability allows to execute arbitrary commands and compromise vulnerable system.

Note: this vulnerability is being actively exploited.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Payment Client: 1.60 - 1.70

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External links
https://cert.civis.net/en/index.php?action=alert&m=CVE-2007-4925
https://fortconsult.net/files/ewire_PHP_code_exec.pdf

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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.