UPDATE: VMSA-2015-0007.4 – VMware vCenter and ESXi updates address critical security issues

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                   VMware Security Advisory

Advisory ID: VMSA-2015-0007.4
Synopsis:    VMware vCenter and ESXi updates address critical security
             issues
Issue date:  2015-10-01
Updated on:  2016-04-27
CVE number:  CVE-2015-5177 CVE-2015-2342 CVE-2015-1047
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1. Summary

   VMware vCenter and ESXi updates address critical security issues.
   
   NOTE: See section 3.b for a critical update on an incomplete fix
   for the JMX RMI issue.   

2. Relevant Releases

   VMware ESXi 5.5 without patch ESXi550-201509101-SG
   VMware ESXi 5.1 without patch ESXi510-201510101-SG
   VMware ESXi 5.0 without patch ESXi500-201510101-SG

   VMware vCenter Server 6.0 prior to version 6.0.0b
   VMware vCenter Server 5.5 prior to version 5.5 update 3
   VMware vCenter Server 5.1 prior to version 5.1 update u3b
   VMware vCenter Server 5.0 prior to version 5.0 update u3e


3. Problem Description

   a. VMWare ESXi OpenSLP Remote Code Execution

      VMware ESXi contains a double free flaw in OpenSLP's
      SLPDProcessMessage() function. Exploitation of this issue may
      allow an unauthenticated attacker to remotely execute code on
      the ESXi host. 

      VMware would like to thank Qinghao Tang of QIHU 360 for reporting
      this issue to us.

      The Common Vulnerabilities and Exposures project (cve.mitre.org)
      has assigned the identifier CVE-2015-5177 to this issue.

      Column 4 of the following table lists the action required to
      remediate the vulnerability in each release, if a solution is
      available.

        VMware          Product Running   Replace with/
        Product         Version on        Apply Patch
        =============   =======   =======   =================
        ESXi            6.0       ESXi      not affected
        ESXi            5.5       ESXi      ESXi550-201509101-SG*
        ESXi            5.1       ESXi      ESXi510-201510101-SG
        ESXi            5.0       ESXi      ESXi500-201510101-SG

        * Customers who have installed the complete set of ESXi 5.5 U3
        Bulletins, please review VMware KB 2133118. KB 2133118 documents
        a known non-security issue and provides a solution.

   b. VMware vCenter Server JMX RMI Remote Code Execution

      VMware vCenter Server contains a remotely accessible JMX RMI
      service that is not securely configured. An unauthenticated remote
      attacker who is able to connect to the service may be able to use
      it to execute arbitrary code on the vCenter Server. A local attacker
      may be able to elevate their privileges on vCenter Server.

      vCenter Server Appliance (vCSA) 5.1, 5.5 and 6.0 has remote access
      to the JMX RMI service (port 9875) blocked by default.

      VMware would like to thank Doug McLeod of 7 Elements Ltd and an
      anonymous researcher working through HP's Zero Day Initiative for
      reporting this issue to us.

      The Common Vulnerabilities and Exposures project (cve.mitre.org)
      has assigned the identifier CVE-2015-2342 to this issue.

      CRITICAL UPDATE

      VMSA-2015-0007.2 and earlier versions of this advisory documented
      that CVE-2015-2342 was addressed in vCenter Server 5.0 U3e,
      5.1 U3b, and 5.5 U3. Subsequently, it was found that the fix for
      CVE-2015-2342 in vCenter Server 5.0 U3e, 5.1 U3b, and
      5.5 U3/U3a/U3b running on Windows was incomplete and did not
      address the issue.
      In order to address the issue on these versions of vCenter Server
      Windows, an additional patch must be installed. This additional
      patch is available from VMware Knowledge Base (KB) article
      2144428. Alternatively, on vSphere 5.5 updating to vCenter Server
      5.5 U3d running on Windows will remediate the issue.
      In case the Windows Firewall is enabled on the system that has
      vCenter Server Windows installed, remote exploitation of
      CVE-2015-2342 is not possible. Even if the Windows Firewall is
      enabled, users are advised to install the additional patch in
      order to remove the local privilege elevation.

      Column 4 of the following table lists the action required to
      remediate the vulnerability in each release, if a solution is
      available.

      VMware                  Product    Running   Replace with/
      Product                 Version    on        Apply Patch
      =============           =======    =======   ===============
      VMware vCenter Server   6.0        Any       6.0.0b and above
      VMware vCenter Server   5.5        Windows   (5.5 U3/U3a/U3b + KB*)
                                                   or 5.5 U3d
      VMware vCenter Server   5.5        Linux     5.5 U3 and above
      VMware vCenter Server   5.1        Windows   5.1 U3b + KB*
      VMware vCenter Server   5.1        Linux     5.1 U3b
      VMware vCenter Server   5.0        Windows   5.0 U3e + KB*
      VMware vCenter Server   5.0        Linux     5.0 U3e

     * An additional patch provided in VMware KB article 2144428 must be
       installed on vCenter Server Windows 5.0 U3e, 5.1 U3b, 5.5 U3,
       5.5 U3a, and 5.5 U3b in order to remediate CVE-2015-2342.
       This patch is not needed when updating to 5.5 U3d or when
       installing 5.5 U3d.

   c. VMware vCenter Server vpxd denial-of-service vulnerability

      VMware vCenter Server does not properly sanitize long heartbeat
      messages. Exploitation of this issue may allow an unauthenticated
      attacker to create a denial-of-service condition in the vpxd
      service.

      VMware would like to thank the Google Security Team for reporting
      this issue to us.

      The Common Vulnerabilities and Exposures project (cve.mitre.org)
      has assigned the identifier CVE-2015-1047 to this issue.

      Column 4 of the following table lists the action required to
      remediate the vulnerability in each release, if a solution is
      available.

      VMware                       Product    Running   Replace with/
      Product                      Version    on        Apply Patch
      =============                =======    =======   ==============
      VMware vCenter Server        6.0        Any       not affected
      VMware vCenter Server        5.5        Any       5.5u2
      VMware vCenter Server        5.1        Any       5.1u3
      VMware vCenter Server        5.0        Any       5.0u3e


4. Solution

   Please review the patch/release notes for your product and version
   and verify the checksum of your downloaded file.

   ESXi
   --------------------------------
   Downloads:
   https://www.vmware.com/patchmgr/findPatch.portal

   Documentation:
   http://kb.vmware.com/kb/2110247
   http://kb.vmware.com/kb/2114875
   http://kb.vmware.com/kb/2120209

   vCenter Server
   --------------------------------
   Downloads and Documentation:
   https://www.vmware.com/go/download-vsphere


5. References

   http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-5177
   http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-2342
   http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-1047

   VMware Knowledge Base articles
   http://kb.vmware.com/kb/2133118
   http://kb.vmware.com/kb/2144428

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6. Change log


   2015-10-01 VMSA-2015-0007
   Initial security advisory in conjunction with ESXi 5.0, 5.1 patches
   and VMware vCenter Server 5.1 u3b, 5.0 u3e on 2015-10-01.

   2015-10-06 VMSA-2015-0007.1
   Updated security advisory in conjunction with the release of ESXi 5.5
   U3a on 2015-10-06. Added a note to section 3.a to alert customers to
   a non-security issue in ESXi 5.5 U3 that is addressed in ESXi 5.5 U3a.
   
   2015-10-20 VMSA-2015-0007.2
   Updated security advisory to reflect that CVE-2015-2342 is fixed in
   an earlier vCenter Server version (6.0.0b) than originally reported
   (6.0 U1) and that the port required to exploit the vulnerability is
   blocked in the appliance versions of the software (5.1 and above).

   2016-02-12 VMSA-2015-0007.3
   Updated security advisory to add that an additional patch is required
   on vCenter Server 5.0 U3e, 5.1 U3b and 5.5 U3/U3a/U3b running on
   Windows to remediate CVE-2015-2342.

   2016-04-27 VMSA-2015-0007.4
   Updated security advisory to add that vCenter Server 5.5 U3d running on
   Windows addresses CVE-2105-2342 without the need to install the 
   additional patch.
   

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7. Contact

   E-mail list for product security notifications and announcements:
   http://lists.vmware.com/cgi-bin/mailman/listinfo/security-announce

   This Security Advisory is posted to the following lists:

    security-announce at lists.vmware.com
    bugtraq at securityfocus.com
    fulldisclosure at seclists.org

   E-mail: security at vmware.com
   PGP key at: http://kb.vmware.com/kb/1055

   VMware Security Advisories
   http://www.vmware.com/security/advisories

   Consolidated list of VMware Security Advisories
   http://kb.vmware.com/kb/2078735

   VMware Security Response Policy
   https://www.vmware.com/support/policies/security_response.html

   VMware Lifecycle Support Phases
   https://www.vmware.com/support/policies/lifecycle.html

   Twitter
   https://twitter.com/VMwareSRC

   Copyright 2015 VMware Inc.  All rights reserved.

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