A vulnerability has been found in WordPress Peter's Math Anti-spam for Wordpress 4.6.2/4.6.3 (Anti-Spam Software) and classified as critical. This vulnerability affects some unknown processing. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect confidentiality. CVE summarizes:

Peter s Math Anti-Spam Spinoff plugin for WordPress generates audio CAPTCHA clips by concatenating static audio files without any additional distortion, which allows remote attackers to bypass CAPTCHA protection by reading certain bytes from the generated clip.

The weakness was disclosed 09/11/2009 (Website). The advisory is shared for download at securityfocus.com. This vulnerability was named CVE-2008-7216 since 09/11/2009. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are unknown but a public exploit is available. The MITRE ATT&CK project declares the attack technique as T1068.

A public exploit has been developed in Perl. It is possible to download the exploit at securityfocus.com. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at X-Force (39688).

Productinfo

Type

• Anti-Spam Software

Vendor

• WordPress

Name

• Peter's Math Anti-spam for Wordpress

Version

• 4.6.2
• 4.6.3

License

• open-source

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