SB2012072104 - Multiple vulnerabilities in Moodle

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Cross-site scripting (CVE-ID: CVE-2012-2362)

Vulnerability allows a remote attacker to perform XSS attacks.

The vulnerability is caused by an input validation error in blog/lib.php in the blog implementation in Moodle 1.9.x before 1.9.18, when Internet Explorer is used,. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in victim's browser in security context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

2) SQL injection (CVE-ID: CVE-2012-2363)

The vulnerability allows a remote attacker to execute arbitrary SQL queries in database.

The vulnerability exists due to insufficient sanitization of user-supplied data. A remote attacker can send a specially crafted request to the affected application and execute arbitrary SQL commands within the application database.

Successful exploitation of this vulnerability may allow a remote attacker to read, delete, modify data in database and gain complete control over the affected application.

Remediation

Install update from vendor's website.

References

• http://git.moodle.org/gw?p=moodle.git;a=commit;h=038131c8b5614f18c14d964dc53b6960ae6c30d8
• http://openwall.com/lists/oss-security/2012/05/23/2
• http://osvdb.org/82069
• https://moodle.org/mod/forum/discuss.php?d=203052
• http://git.moodle.org/gw?p=moodle.git&a=search&h=refs%2Fheads%2FMOODLE_19_STABLE&st=commit&s=MDL-31746