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ESB-2010.0633 - [AIX] ToolTalk: Execute arbitrary code/commands - Remote/unauthenticated
20 July 2010
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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2010.0633 ToolTalk rpc.ttdbserver database parser vulnerability 20 July 2010 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: ToolTalk Publisher: IBM Operating System: AIX Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2010-0083 Reference: ASB-2010.0168 Original Bulletin: http://aix.software.ibm.com/aix/efixes/security/tooltalk_advisory.asc - --------------------------BEGIN INCLUDED TEXT-------------------- IBM SECURITY ADVISORY First Issued: Fri Jul 16 18:42:09 CDT 2010 The most recent version of this document is available here: http://aix.software.ibm.com/aix/efixes/security/tooltalk_advisory.asc VULNERABILITY SUMMARY VULNERABILITY: ToolTalk rpc.ttdbserver database parser vulnerability PLATFORMS: AIX 5.3, 6.1, and earlier releases VIOS 1.5, 2.1, and earlier releases SOLUTION: Apply the fix or workaround as described below. THREAT: Successful exploitation of this issue could allow the attacker to execute arbitrary code on an affected system. CERT VU Number: N/A CVE Number: CVE-2010-0083 Reboot required? NO Workarounds? YES Protected by FPM? NO Protected by SED? NO DETAILED INFORMATION I. DESCRIPTION "This vulnerability can be triggered by creating a fake database (.rec file) on the system and calling remote procedure 7 of ToolTalk database server pointing to this database, leading to a heap overflow. Remote command execution can be achieved if you can place files on the host via FTP or HTTP servers for example." Please see the following for more information: http://archives.neohapsis.com/archives/fulldisclosure/2010-07/0199.html II. PLATFORM VULNERABILITY ASSESSMENT Note: To use the following commands on VIOS you must first execute: oem_setup_env To determine if your system is vulnerable, execute the following command: lslpp -L X11.Dt.ToolTalk The following fileset levels are vulnerable: AIX Fileset Lower Level Upper Level ------------------------------------------------ X11.Dt.ToolTalk 126.96.36.199 188.8.131.52 X11.Dt.ToolTalk 184.108.40.206 220.127.116.11 X11.Dt.ToolTalk 18.104.22.168 22.214.171.124 X11.Dt.ToolTalk 126.96.36.199 188.8.131.52 X11.Dt.ToolTalk 184.108.40.206 220.127.116.11 X11.Dt.ToolTalk 18.104.22.168 22.214.171.124 X11.Dt.ToolTalk 126.96.36.199 188.8.131.52 X11.Dt.ToolTalk 184.108.40.206 220.127.116.11 III. SOLUTION A. FIXES APARS are available for all supported releases. B. APARS IBM has assigned the following APARs to this problem: AIX Level APAR number Service pack date -------------------------------------------------------- 5.3.8 IZ72090 5/19/10 sp10 5.3.9 IZ72091 5/19/10 sp7 5.3.10 IZ72092 5/19/10 sp4 5.3.11 IZ72093 5/19/10 sp4 6.1.1 IZ72094 4/21/10 sp8 6.1.2 IZ72095 4/21/10 sp7 6.1.3 IZ72096 4/21/10 sp4 6.1.4 IZ72097 4/21/10 sp4 Subscribe to the APARs here: http://www.ibm.com/support/docview.wss?uid=isg1IZ72090 http://www.ibm.com/support/docview.wss?uid=isg1IZ72091 http://www.ibm.com/support/docview.wss?uid=isg1IZ72092 http://www.ibm.com/support/docview.wss?uid=isg1IZ72093 http://www.ibm.com/support/docview.wss?uid=isg1IZ72094 http://www.ibm.com/support/docview.wss?uid=isg1IZ72095 http://www.ibm.com/support/docview.wss?uid=isg1IZ72096 http://www.ibm.com/support/docview.wss?uid=isg1IZ72097 By subscribing, you will receive periodic email alerting you to the status of the APAR, and a link to download the service pack when it becomes available. IV. WORKAROUND Don't run rpc.ttdbserver. Comment the entry for ttdbserver from /etc/inetd.conf and refresh the instance of inetd. This can be done by running the following command. /usr/bin/refresh -s inetd VI. CONTACT INFORMATION If you would like to receive AIX Security Advisories via email, please visit: http://www.ibm.com/systems/support and click on the "My notifications" link. To view previously issued advisories, please visit: http://www14.software.ibm.com/webapp/set2/subscriptions/pqvcmjd Comments regarding the content of this announcement can be directed to: email@example.com To obtain the PGP public key that can be used to communicate securely with the AIX Security Team you can either: A. Send an email with "get key" in the subject line to: firstname.lastname@example.org B. Download the key from our web page: http://www.ibm.com/systems/resources/systems_p_os_aix_security_pgpkey.txt C. Download the key from a PGP Public Key Server. The key ID is: 0x28BFAA12 Please contact your local IBM AIX support center for any assistance. eServer is a trademark of International Business Machines Corporation. IBM, AIX and pSeries are registered trademarks of International Business Machines Corporation. All other trademarks are property of their respective holders. VII. ACKNOWLEDGMENTS This vulnerability was discovered and exploited by Rodrigo Rubira Branco. - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to email@example.com and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: http://www.auscert.org.au/render.html?cid=1980 =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: firstname.lastname@example.org Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iD8DBQFMRQdS/iFOrG6YcBERAtFYAJ0b6np6g/Ez5w/5ze0RIDGBx7pXeQCg4GVG 2Cyb+fK1O6CcWEFXFt1qrrc= =P4g3 -----END PGP SIGNATURE-----
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