TYPO3 class.t3lib_formmail.php email header injection

typo3-t3libformmail-header-injection (32630)

Low Risk

Description:

TYPO3 is vulnerable to email header injection, caused by improper validation of certain email headers by the class.t3lib_formmail.php script. A remote attacker could inject a specially-crafted email header using the subject or from fields, which could be used for sending unsolicited email messages.

*CVSS:

Base Score:	3.5
Access Vector:	Remote
Access Complexity:	Low
Authentication:	Not Required
Confidentiality Impact:	None
Integrity Impact:	Partial
Availability Impact:	None
Temporal Score:	2.6
Exploitability:	Unproven
Remediation Level:	Official-Fix
Report Confidence:	Confirmed

Consequences:

Bypass Security

Remedy:

Upgrade to the latest version of TYPO3 (4.0.5 or later), available from the TYPO3 Web site. See References.

References:

• TYPO3 Web site: TYPO3 Security Bulletin TYPO3-20060911-1: indexed search.
• TYPO3-20070221-1: TYPO3 Security Bulletin TYPO3-20070221-1: Email header injection.
• BID-22668: TYPO3 Internal Form Engine Email Header Injection Vulnerability
• CVE-2007-1081: The start function in class.t3lib_formmail.php in TYPO3 before 4.0.5, 4.1beta, and 4.1RC1 allows attackers to inject arbitrary email headers via unknown vectors. NOTE: some details were obtained from third party information.
• SA24207: TYPO3 Mail Header Injection Vulnerability
• VUPEN/ADV-2007-0697: TYPO3 Formmail Class Header Handling Arbitrary Email Injection Vulnerability

Platforms Affected:

• TYPO3 TYPO3 4.x

Reported:

Feb 21, 2007

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For corrections or additions please email xforce@iss.net

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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

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