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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2014.0591 Security vulnerability in Perl for AIX 24 April 2014 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Perl Publisher: IBM Operating System: AIX Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2012-6329 Reference: ASB-2012.0177 ESB-2013.1195 ESB-2013.0573 ESB-2013.0444 Original Bulletin: http://aix.software.ibm.com/aix/efixes/security/perl_advisory4.asc - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 IBM SECURITY ADVISORY First Issued: Wed Apr 23 17:08:11 CST 2014 The most recent version of this document is available here: http://aix.software.ibm.com/aix/efixes/security/perl_advisory4.asc https://aix.software.ibm.com/aix/efixes/security/perl_advisory4.asc ftp://aix.software.ibm.com/aix/efixes/security/perl_advisory4.asc =============================================================================== VULNERABILITY SUMMARY VULNERABILITY: Security vulnerability in Perl for AIX PLATFORMS: 5.3, 6.1, and 7.1 VIOS 2.2.1 SOLUTION: Apply the fix as described below. THREAT: See below. CVE Number: CVE-2012-6329 Reboot required? NO Workarounds? NO Protected by FPM? NO Protected by SED? NO =============================================================================== DETAILED INFORMATION I. DESCRIPTION CVE-2012-6329 ------------- The _compile function in Maketext.pm in the Locale::Maketext implementation in Perl before 5.17.7 does not properly handle backslashes and fully qualified method names during compilation of bracket notation, which allows context-dependent attackers to execute arbitrary commands via crafted input to an application that accepts translation strings from users. II. CVSS CVE-2012-6329 CVSS Base Score: 7.5 CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/80566 for the current score CVSS Environmental Score*: Undefined CVSS String: (AV:N/AC:L/Au:N/C:P/I:P/A:P) III. PLATFORM VULNERABILITY ASSESSMENT The following fileset levels are vulnerable: AIX Fileset AIX Level Lower Level Upper Level ---------------------------------------------------------------- perl.rte 5.3.12 5.8.8.0 5.8.8.123 perl.rte 6.1.7 5.8.8.0 5.8.8.122 perl.rte 6.1.8 5.8.8.0 5.8.8.244 perl.rte 6.1.9 5.8.8.0 5.8.8.366 perl.rte 7.1.1 5.10.1.0 5.10.1.100 perl.rte 7.1.2 5.10.1.0 5.10.1.150 perl.rte 7.1.3 5.10.1.0 5.10.1.200 VIOS ---------------------------------------------------------------- perl.rte versions 5.8.8.0 to 5.8.8.366 on VIOS 2.2.1.0 and above. Note: To find out whether the affected filesets are installed on your systems, refer to the lslpp command found in AIX user's guide. IV. SOLUTIONS A. APARS IBM has assigned the following APARs to this problem: AIX Level APAR number Availability --------------------------------------------------- 5.3 IV56641 NOW 6.1 IV56641 NOW 7.1 IV56642 NOW VIOS Level APAR number Availability --------------------------------------------------- 2.2.1.0 and up IV56641 NOW Subscribe to the APARs here: http://www.ibm.com/support/docview.wss?uid=isg1IV56641 http://www.ibm.com/support/docview.wss?uid=isg1IV56642 By subscribing, you will receive periodic email alerting you to the status of the APAR, and a link to download the fix once it becomes available. B. FIXES Fixes are available. The fixes can be downloaded via http from: https://www14.software.ibm.com/webapp/iwm/web/preLogin.do?source=aixbp The perl name provided in the web pack site For 5.3: perl61.zip For 6.1: perl61.zip For 7.1: perl71.zip For VIOS: perl61.zip To extract the fixes from the zip files: For 5.3: gunzip -S .zip perl61.zip For 6.1: gunzip -S .zip perl61.zip For 7.1: gunzip -S .zip perl71.zip For VIOS: gunzip -S .zip perl61.zip IMPORTANT: It is recommended that a mksysb backup of the system be created. Verify that this image is both bootable and readable before proceeding. To preview the fix installation: installp -apYd . perl To install the fix package: installp -aXYd . perl V. WORKAROUNDS There are no workarounds. VI. CONTACT INFORMATION If you would like to receive AIX Security Advisories via email, please visit: http://www.ibm.com/support/mynotifications To view previously issued advisories, please visit: http://www14.software.ibm.com/webapp/set2/subscriptions/onvdq Comments regarding the content of this announcement can be directed to: security-alert@austin.ibm.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: security-alert@austin.ibm.com 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 IBM discovered and fixed this vulnerability as part of its commitment to secure the AIX operating system. VIII. REFERENCES: Complete CVSS Guide: http://www.first.org/cvss/cvss-guide.html On-line Calculator V2: http://nvd.nist.gov/cvss.cfm?calculator&adv&version=2 X-Force Vulnerability Database: http://xforce.iss.net/xforce/xfdb/80566 CVE-2012-6329: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-6329 *The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Flash. Note: According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES "AS IS" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.13 (AIX) iEYEARECAAYFAlNYLGwACgkQ4fmd+Ci/qhIkcwCdGTeDNw2OsdOucTB+DatOm1Xd zNgAn2rexeS9aaXvG+PawwR0WGgEK7p0 =d7gB - -----END PGP SIGNATURE----- - --------------------------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 auscert@auscert.org.au 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: auscert@auscert.org.au 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 iQIVAwUBU1ijHhLndAQH1ShLAQLrshAAqYMlNrQ3Mq4tbE8PNh6dvFu6IsNmAGxQ lwmStpMVLsPkvkhL4EaR/DXK9xlrZYVVQnyYnGY3in0YCBet8BRBL/2M8S5y/o6Z kLWUyhQdg2OdOpzQKhtjEdYq0bUO2x2u7lwpybwC1UTDF4kuJgALFajQKZ6TkRen WJDrUlavXsGUmqHywk3yHZ/ZFcyaenekyFi9yU07vkMq7zkHD+VF6+qCRjBwIvri u395/KeEWgqhkKhPxvFsqtKb0wnbVrKXu2p6mQp5MUqdYumJUqolMXHcRVHCD0t8 emvEmC6UHxt5UxkQQEu0ytkS4EIRPuP/iIvMEL7S+41EaBuKL1SvWXA1WsbnXyMG llF1BucHPvgG4GDE0smpmv96Ozup6XceeuYi8lrx2Ki3WWhckmvTAyQCLm/JysYs q1kV9d8MsVr5mH5EA5+ejLtLVupsRE9Rt8435SNgXYLoHkGSmeK206I+C29WOOri x16bS+eDJAZrTgVC0A8x6KMl5Z4o72HE6o495kx3M9XeIgYWaqOQe77EUu9eLs3X OIYkEbG2SLe4ym3HEd4ZIoA5NT//mm/IHsQ0tIfCjJbd42fzpNEiALUub7lGhTyw HpgG90PJL4tQQoMdBKHqh3v5leB9AH0z64yQ6tuUx/3sSBj2kJTOY6oIOyvJC3MP zsCNtJ8v3IA= =sIir -----END PGP SIGNATURE-----