SB2014021201 - Multiple vulnerabilities in TYPO3

Description

This security bulletin contains information about 3 secuirty vulnerabilities.

1) Cross-Site Scripting (CVE-ID: CVE-2014-6294)

The vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability is caused by incorrect filtration of input data. 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) Security bypass (CVE-ID: CVE-2014-6292)

The vulnerability allows a remote attacker to bypass security restriction on the target system.

The vulnerability exists due to the failure to properly check access rights. A remote attacker can gain access to the system and modify or delete another user's records.

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.

3) SQL Injection (CVE-ID: CVE-2014-6293)

The vulnerability allows a remote attacker to execute arbitrary SQL commands in vulnerable application.

The vulnerability exists due to insufficient sanitization of user-supplied data. A remote attacker can send a specially crafted HTTP request to vulnerable website and execute arbitrary SQL commands in web application database.

Successful exploitation may allow an attacker to gain unauthorized access to the vulnerable system.

Note: this vulnerability was being actively exploited.

Remediation

Install update from vendor's website.

References

• https://typo3.org/teams/security/security-bulletins/typo3-extensions/typo3-ext-sa-2014-002/