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             AUSCERT External Security Bulletin Redistribution

                               ESB-2014.1956
       TYPO3-CORE-SA-2014-002: Multiple Vulnerabilities in TYPO3 CMS
                              27 October 2014

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           TYPO3
Publisher:         TYPO3
Operating System:  UNIX variants (UNIX, Linux, OSX)
                   Windows
Impact/Access:     Denial of Service               -- Remote/Unauthenticated
                   Execute Arbitrary Code/Commands -- Remote/Unauthenticated
                   Read-only Data Access           -- Remote/Unauthenticated
                   Unauthorised Access             -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2013-4701  

Original Bulletin: 
   http://typo3.org/teams/security/security-bulletins/typo3-core/typo3-core-sa-2014-002/

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TYPO3-CORE-SA-2014-002: Multiple Vulnerabilities in TYPO3 CMS

October 22, 2014

Category: TYPO3 CMS

Author: Marcus Krause

Keywords: TYPO3 CMS, TYPO3-CORE-SA-2014-002, Denial of Service, Arbitray Shell
Execution

It has been discovered that TYPO3 CMS is vulnerable to Denial of Service and 
Arbitrary Shell Execution!

Component Type: TYPO3 CMS

Vulnerability Types: Denial of Service, Arbitrary Shell Execution

Overall Severity: Medium

Release Date: October 22, 2014

Vulnerable subcomponent: OpenID System Extension

Vulnerability Type: Denial of Service

Affected Versions: Versions 4.5.0 to 4.5.36, 4.7.0 to 4.7.19, 6.1.0 to 6.1.11
and 6.2.0 to 6.2.5

Severity: Medium

Suggested CVSS v2.0: AV:N/AC:L/Au:N/C:P/I:P/A:P/E:ND/RL:OF/RC:C

Related CVE: CVE-2013-4701

Problem Description: The OpenID library that is shipped with TYPO3 allows 
remote attackers to read arbitrary files, send HTTP requests to intranet 
servers, or cause a denial of service (CPU and memory consumption) via XRDS 
data containing an external entity declaration in conjunction with an entity 
reference, related to an XML External Entity (XXE) issue. Affected are all 
TYPO3 installation with system extension openid installed and enabled.

Solution: Update to TYPO3 versions 4.5.37, 4.7.20, 6.1.12 or 6.2.6 that fix 
the problem described.

Solution: Alternatively disabling openid system extension also fixes the 
vulnerability in case an update is currently not possible. However it is 
unlikely but possible that other third party extensions use the OpenID library
exposing this TYPO3 installation to this vulnerability again. Therefore 
updating is strongly recommended.

Solution: TYPO3 branches 4.6 and 6.0 are also affected by this vulnerability 
but have reached end of maintenance. We hereby provide patches for the these 
branches: 62357_4-6.diff, 62357_6-0.diff

Solution:Since the fix has also been committed to our git source code 
repository also in the 4.6 and 6.0 branches, updating your installation to the
latest state of the according branch also fixes the vulnerability.

Credits: The vendor credits Kousuke Ebihara.

Vulnerable subcomponent: Swiftmailer library

Vulnerability Type: Arbitrary Shell Execution

Affected Versions: Versions 4.5.0 to 4.5.36, 4.7.0 to 4.7.19, 6.1.0 to 6.1.11
and 6.2.0 to 6.2.5

Severity: Medium

Suggested CVSS v2.0: AV:N/AC:M/Au:N/C:P/I:P/A:N/E:ND/RL:OF/RC:C

Related announcement: Swiftmailer release 5.2.1

Problem Description: The swiftmailer library in use allows to execute 
arbitrary shell commands if the "From" header comes from a non-trusted source
and no "Return-Path" is configured. Affected are only TYPO3 installation the 
configuration option

$GLOBALS['TYPO3_CONF_VARS']['MAIL']['transport']

is set to "sendmail". Installations with the default configuration are not 
affected.

Solution: Update to TYPO3 versions 4.5.37, 4.7.20, 6.1.12 or 6.2.6 that fix 
the problem described.

Solution:TYPO3 branches 4.6 and 6.0 are also affected by this vulnerability 
but have reached end of maintenance. We hereby provide patches for the these 
branches: 59573_4-6.diff, 59573_6-0.diff

Solution: Since the fix has also been committed to our git source code 
repository also in the 4.6 and 6.0 branches, updating your installation to the
latest state of the according branch also fixes the vulnerability.

General Advice: Follow the recommendations that are given in the TYPO3 
Security Guide. Please subscribe to the typo3-announce mailing list.

General Note: All security related code changes are tagged so that you can 
easily look them up on our review system.

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