A vulnerability classified as critical was found in MyBlog (the affected version is unknown). This vulnerability affects an unknown code of the file index.php. The manipulation of the argument id with an unknown input leads to a sql injection vulnerability. The CWE definition for the vulnerability is CWE-89. The product constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Multiple SQL injection vulnerabilities in MyBlog allow remote attackers to execute arbitrary SQL commands via the (1) view parameter to (a) index.php, and the (2) id parameter to (b) member.php and (c) post.php.

The weakness was disclosed 07/02/2008 (Website). The advisory is shared for download at milw0rm.com. This vulnerability was named CVE-2008-2963 since 07/02/2008. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details and also a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1505.

A public exploit has been developed by CWH Underground and been published even before and not after the advisory. It is possible to download the exploit at exploit-db.com. It is declared as highly functional. The vulnerability was handled as a non-public zero-day exploit for at least 9 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:index.php it is possible to find vulnerable targets with Google Hacking.

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 databases at X-Force (43292), Exploit-DB (5913) and SecurityFocus (BID 29900†). The entries VDB-43011 and VDB-46636 are pretty similar.

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