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Date: Wed, 22 Aug 2012 12:12:49 -0600
From: Kurt Seifried <kseifried@...hat.com>
To: oss-security@...ts.openwall.com
CC: Moritz Muehlenhoff <jmm@...ian.org>
Subject: Re: CVE request: Typo3

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On 08/21/2012 03:28 PM, Moritz Muehlenhoff wrote:
> Hi, please assign CVE IDs for the latest Typo3 security issues: 
> http://typo3.org/support/teams-security-security-bulletins/security-bulletins-single-view/article/several-vulnerabilities-in-typo3-core/
> :


> 1.
> 
> Vulnerable subcomponent: TYPO3 Backend Help System Vulnerability
> Type: Insecure Unserialize leading to a possible Arbitrary Code
> Execution Severity: Medium Suggested CVSS v2.0:
> AV:N/AC:H/Au:S/C:P/I:C/A:N/E:P/RL:O/RC:C (What's that?) Problem
> Description: Due to a missing signature (HMAC) for a parameter in
> the view_help.php file, an attacker could unserialize arbitrary
> objects within TYPO3. We are aware of a working exploit, which can
> lead to arbitrary code execution. A valid backend user login or
> multiple successful cross site request forgery attacks are required
> to exploit this vulnerability. Solution: Update to the TYPO3
> version 4.5.19, 4.6.12 or 4.7.4 that fix the problem described! 
> Credits: Credits go to Felix Wilhelm who discovered and reported
> the issue.

Please use CVE-2012-3527 TYPO3-CORE-SA-2012-004: TYPO3 Backend Help
System Code Exec

> 
> 2.
> 
> Vulnerable subcomponent: TYPO3 Backend Vulnerability Type:
> Cross-Site Scripting Severity: Medium Suggested CVSS v2.0:
> AV:N/AC:M/Au:S/C:P/I:P/A:N/E:F/RL:O/RC:C (What's that?) Problem
> Description: Failing to properly HTML-encode user input in several
> places, the TYPO3 backend is susceptible to Cross-Site Scripting. A
> valid backend user is required to exploit these vulnerabilities. 
> Solution: Update to the TYPO3 version 4.5.19, 4.6.12 or 4.7.4 that
> fix the problem described! Credits: Credits go to Pavel Vaysband,
> Security Team Member Markus Bucher, Core Team Member Susanne Moog,
> Jan Bednarik,  who discovered and reported the issues.


Please use CVE-2012-3528 for TYPO3-CORE-SA-2012-004: TYPO3 Backend XSS


> 3.
> 
> Vulnerable subcomponent: TYPO3 Backend Vulnerability Type:
> Information Disclosure Severity: Low Suggested CVSS v2.0:
> AV:N/AC:L/Au:S/C:P/I:N/A:N/E:F/RL:O/RC:C (What's that?) Problem
> Description: Accessing the configuration module discloses the
> Encryption Key. A valid backend user with access to the
> configuration module is required to exploit this vulnerability. 
> Solution: Update to the TYPO3 version 4.5.19, 4.6.12 or 4.7.4 that
> fix the problem described! Credits: Credits go to Mario Rimann who
> discovered and reported the issue.


Please use CVE-2012-3529 for TYPO3-CORE-SA-2012-004: TYPO3 Backend
Information Disclosure

> 4.
> 
> Vulnerable subcomponent: TYPO3 HTML Sanitizing API Vulnerability
> Type: Cross-Site Scripting Severity: Medium Suggested CVSS v2.0:
> AV:N/AC:M/Au:N/C:P/I:P/A:N/E:U/RL:O/RC:C (What's that?) Problem
> Description: By not removing several HTML5 JavaScript events, the
> API method t3lib_div::RemoveXSS() fails to filter specially crafted
> HTML injections, thus is susceptible to Cross-Site Scripting.
> Failing to properly encode for JavaScript the API method
> t3lib_div::quoteJSvalue(), it is susceptible to Cross-Site
> Scripting. Note: Developers should never rely on the blacklist of
> RemoveXSS() alone, but should always properly encode user input
> before outputting it again. Solution: Update to the TYPO3 version
> 4.5.19, 4.6.12 or 4.7.4 that fix the problem described! Credits:
> Credits go to Andreas Schnapp and Christian Nösterer who discovered
> and reported the issues.



Please use CVE-2012-3530 for TYPO3-CORE-SA-2012-004: TYPO3 HTML
Sanitizing API XSS



> 5.
> 
> Vulnerable subcomponent: TYPO3 Install Tool Vulnerability Type:
> Cross-Site Scripting Severity: Low Suggested CVSS v2.0:
> AV:N/AC:H/Au:S/C:P/I:P/A:N/E:F/RL:O/RC:C (What's that?) Problem
> Description: Failing to properly sanitize user input, the Install
> Tool is susceptible to Cross-Site Scripting. Solution: Update to
> the TYPO3 version 4.5.19, 4.6.12 or 4.7.4 that fix the problem
> described! Credits: Credits go to Security Team Member Georg Ringer
> who discovered and reported the issue.



Please use CVE-2012-3531 for TYPO3-CORE-SA-2012-004: TYPO3 Install
Tool XSS

> Cheers, Moritz
> 


- -- 
Kurt Seifried Red Hat Security Response Team (SRT)
PGP: 0x5E267993 A90B F995 7350 148F 66BF 7554 160D 4553 5E26 7993

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