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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 IBM SECURITY ADVISORY First Issued: Tue Jul 16 10:46:04 CDT 2013 http://aix.software.ibm.com/aix/efixes/security/infiniband_advisory.asc =============================================================================== VULNERABILITY SUMMARY VULNERABILITY: Security Vulnerabilities in AIX InfiniBand PLATFORMS: AIX 6.1 and 7.1 releases SOLUTION: Apply the fix as described below THREAT: A local attacker could gain lateral or elevated privileges CVE Number: CVE-2013-4011 Reboot required? NO Workarounds? YES Protected by FPM? NO Protected by SED? NO =============================================================================== DETAILED INFORMATION I. DESCRIPTION Both "ibstat" and .arp.ib. commands have security vulnerabilities that can allow a non-privileged user to run malicious code with privileged authority. II. CVSS CVSS Base Score: 7.2 CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/85617 for the current score CVSS Environmental Score*: Undefined CVSS String: (AV:L/AC:L/Au:N/C:C/I:C/A:C) III. 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 devices.common.IBM.ib.rte The following fileset levels are vulnerable: AIX Fileset Lower Level Upper Level ------------------------------------------------------- devices.common.IBM.ib.rte 6.1.6.0 6.1.6.21 devices.common.IBM.ib.rte 6.1.7.0 6.1.7.18 devices.common.IBM.ib.rte 6.1.8.0 6.1.8.15 devices.common.IBM.ib.rte 7.1.0.0 7.1.0.21 devices.common.IBM.ib.rte 7.1.1.0 7.1.1.18 devices.common.IBM.ib.rte 7.1.2.0 7.1.2.15 IV. SOLUTIONS A. APARS IBM has assigned the following APARs to this problem: AIX Level APAR number Availability --------------------------------------------------- 6.1.6 IV43582 08/16/13 SP12 6.1.7 IV43827 08/16/13 SP8 6.1.8 IV43580 08/16/13 SP3 7.1.0 IV43562 08/16/13 SP10 7.1.1 IV43756 08/16/13 SP8 7.1.2 IV43561 08/16/13 SP3 Subscribe to the APARs here: http://www.ibm.com/support/docview.wss?uid=isg1IV43582 http://www.ibm.com/support/docview.wss?uid=isg1IV43827 http://www.ibm.com/support/docview.wss?uid=isg1IV43580 http://www.ibm.com/support/docview.wss?uid=isg1IV43562 http://www.ibm.com/support/docview.wss?uid=isg1IV43756 http://www.ibm.com/support/docview.wss?uid=isg1IV43561 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 ftp from: ftp://aix.software.ibm.com/aix/efixes/security/infiniband_fix.tar The link above is to a tar file containing this signed advisory, fix packages, and PGP signatures for each package. The fixes below include prerequisite checking. This will enforce the correct mapping between the fixes and AIX Technology Levels. AIX Level Interim Fix (*.Z) ------------------------------------------------------------------- 6.1.6.11 iv43582mBa.130626.epkg.Z 6.1.7.7 iv43827m7a.130614.epkg.Z 6.1.8.2 iv43580m2a.130619.epkg.Z 7.1.0.9 iv43562m9.130626.epkg.Z 7.1.1.7 iv43756m7a.130612.epkg.Z 7.1.2.2 iv43561m2a.130626.epkg.Z VIOS Level Interim Fix (*.Z) ------------------------------------------------------------------- 2.2.2.2-FP-26 SP-02 iv43580m2a.130619.epkg.Z To extract the fixes from the tar file: tar xvf infiniband_fix.tar cd infiniband_fix Verify you have retrieved the fixes intact: The checksums below were generated using the "csum -h SHA1" (sha1sum) command is the followng: csum -h SHA1 (sha1sum) filename ------------------------------------------------------------------ 0222cd18e3316f3d73f6d5150d4d672347427bb4 iv43582mBa.130626.epkg.Z 9a274ef45ecad62e20720cca84ea69f4eaaba78e iv43827m7a.130614.epkg.Z 50b92bdb5156b55f245f4ffacfae113dd65326fe iv43580m2a.130619.epkg.Z 89e393e74b1d3c49d2735773ca49337e9bfcd1f1 iv43562m9.130626.epkg.Z d9b39fa210731957fdd72c003aa6b53cecc8af35 iv43756m7a.130612.epkg.Z 622f1676ae6cb5b00f4131fad4774014ab160d2a iv43561m2a.130626.epkg.Z 50b92bdb5156b55f245f4ffacfae113dd65326fe iv43580m2a.130619.epkg.Z To verify the sum, use the text of this advisory as input to sha1sum. For example: csum -h SHA1 -i Advisory.asc sha1sum -c Advisory.asc These sums should match exactly. The PGP signatures in the tar file and on this advisory can also be used to verify the integrity of the fixes. If the sums or signatures cannot be confirmed, contact IBM AIX Security at security-alert@austin.ibm.com and describe the discrepancy. C. FIX AND INTERIM FIX INSTALLATION IMPORTANT: If possible, it is recommended that a mksysb backup of the system be created. Verify it is both bootable and readable before proceeding. To preview a fix installation: installp -a -d fix_name -p all # where fix_name is the name of the # fix package being previewed. To install a fix package: installp -a -d fix_name -X all # where fix_name is the name of the # fix package being installed. Interim fixes have had limited functional and regression testing but not the full regression testing that takes place for Service Packs; however, IBM does fully support them. Interim fix management documentation can be found at: http://www14.software.ibm.com/webapp/set2/sas/f/aix.efixmgmt/home.html To preview an interim fix installation: emgr -e ipkg_name -p # where ipkg_name is the name of the # interim fix package being previewed. To install an interim fix package: emgr -e ipkg_name -X # where ipkg_name is the name of the # interim fix package being installed. V. WORKAROUNDS Select one of the following: ---------------------------- 1) Enabling PowerSC with DoD.xml profile will prevent this vulnerability. 2) Running aixpert with high-level security options (aixpert -l high) 3) Running aixpert with medium-level security options (aixpert -l medium) 4) Invoking fpm -l high to remove setuid and setgid permissions for high level security. 5) Invoking fpm -l medium to remove setuid and setgid permissions that fall into medium level security. VI. OBTAINING FIXES AIX security fixes can be downloaded from: ftp://aix.software.ibm.com/aix/efixes/security AIX fixes can be downloaded from: http://www.ibm.com/eserver/support/fixes/fixcentral/main/pseries/aix NOTE: Affected customers are urged to upgrade to the latest applicable Technology Level and Service Pack. VII. CONTACT INFORMATION If you would like to receive AIX Security Advisories via email, 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 request 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 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. 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/85617 CVE-2013-4011: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-4011 *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) iEYEARECAAYFAlHlaxgACgkQ4fmd+Ci/qhK9jgCfXAKn32O85wVQEMsG70ibjnaQ N6kAnios8imzN0+Ax/NFxzlVqjbob6qe =gSwn -----END PGP SIGNATURE-----
Doc number: 3117 | Published date: 20130716 |
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Modified date:
16 July 2013
UID
isg1SSRVPOAIX71SECURITY130716-1109