80762 : TYPO3 HTML Sanitizing API t3lib_div::RemoveXSS() Method XSS Weakness
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Timeline

Disclosure Date
2012-03-28

Description

TYPO3 contains a weakness related to HTML sanitizing that allows a remote cross-site scripting (XSS) attack. This flaw exists because the HTML Sanitizing API method t3lib_div::RemoveXSS() fails to properly sanitize user-supplied input upon submission to the program. This may allow a user to create a specially crafted URL that would execute arbitrary script code in a user's browser within the trust relationship between their browser and the server.

Classification

Location: Remote / Network Access
Attack Type: Input Manipulation
Impact: Loss of Integrity
Solution: Upgrade
Exploit: Exploit Unknown
Disclosure: Vendor Verified
OSVDB: Web Related

Solution

Upgrade to version 4.4.14, 4.5.14 or 4.6.7 or higher, as they have been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products

TYPO3 Association	TYPO3	4.5.3
		4.4.6
		4.5.7
		4.6.1
		4.6.6
		4.4.5
		4.4.7
		4.5.8
		4.4.9
		4.5.9
		4.4.3
		4.4.10
		4.5.0
		4.5.10
		4.4.2
		4.4.11
		4.5.1
		4.5.11
		4.5.12
		4.4.12
		4.4.13
		4.5.13
		4.4.0
		4.5.2
		4.6.2
		4.5.4
		4.6.3
		4.4.1
		4.5.5
		4.6.4
		4.5.6
		4.6.5
		4.6.0
		4.4.8

References

CVE ID: 2012-1608 (see also: NVD)
Secunia Advisory ID: 48647
Bugtraq ID: 52771
Related OSVDB ID: 80759 80760 80761
Vendor Specific Advisory URL: http://typo3.org/teams/security/security-bulletins/typo3-core/typo3-core-sa-2012-001/
Vendor Specific News/Changelog Entry: http://www.debian.org/security/2012/dsa-2445
Mail List Post: http://www.openwall.com/lists/oss-security/2012/03/30/4

Credit

Marc Wöhlken

CVSSv2 Score

CVSSv2 Base Score = 5.0
Source: nvd.nist.gov | Generated: 2012-09-05 | Disagree?

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