WheatBlog 1.1 RFI/SQL Injection

2007.07.06

Credit: E.Minaev

Risk: High

Local: No

Remote: Yes

CVE: CVE-2007-3557

CWE: CWE-89

CVSS Base Score: 6.8/10

Impact Subscore: 6.4/10

Exploitability Subscore: 8.6/10

Exploit range: Remote

Attack complexity: Medium

Authentication: No required

Confidentiality impact: Partial

Integrity impact: Partial

Availability impact: Partial

Found by E.Minaev (underwater (at) itdefence (dot) ru [email concealed])
ITDefence.ru

1) SQL Injection in login function. With help of this injection is possible to make per-symbol brute of tables names of blog's database (magic_quotes_gpc should be tured off).

------------------------------------------
"$sql = "select * from $tblUsers where login = '$login'";
if ( $login	 != $row['login'] )	$valid_user = 0;
		if ( $password  != $row['password'] ) $valid_user = 0;"
------------------------------------------

2) Remote File Inclusion (RFI)
/includes/sessions.php?wb_class_dir=shell?

See this note in RAW Version

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WheatBlog 1.1 RFI/SQL Injection

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