Ispravljene su višestruke sigurnosne ranjivosti kod VMware ESXi i ESX platformi. Zlonamjerni korisnik mogao ih je iskoristiti za dobivanje većih privilegija, izvođenje DoS napada te proizvoljno izvršavanje programskog koda.
Paket:
VMware ESX Server 3.x, VMware ESX Server 4.x, VMware ESXi 3.x, VMware ESXi 4.x
Operacijski sustavi:
VMware ESX Server 3.x, VMware ESX Server 4.x, VMware ESXi 3.x, VMware ESXi 4.x
Kritičnost:
9
Problem:
pogreška u programskoj funkciji, pogreška u programskoj komponenti, preljev međuspremnika
Iskorištavanje:
lokalno/udaljeno
Posljedica:
dobivanje većih privilegija, proizvoljno izvršavanje programskog koda, uskraćivanje usluga (DoS)
Propusti su posljedica pogrešaka koje omogućuju izmjenu Read-Only memorije koja pripada Virtual DOS Machine-u, višestrukih sigurnosnih propusta u Console Operating System (COS) jezgri (npr. pogreška u SCTP implementaciji) te preljeva međuspremnika u "libtelnet/encrypt.c". Također, javljaju se i nedostaci vezani uz paket krb5. Za detaljan uvid u sve nedostatke preporuča se pregled originalne preporuke.
Posljedica:
Propuste je moguće iskoristiti za povećanje ovlasti na gostujućem operacijskom sustavu, provođenje napada uskraćivanjem usluge te pokretanje proizvoljnog programskog koda.
Rješenje:
Korisnicima se savjetuje prelazak na ispravljenu inačicu.
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VMware Security Advisory
Advisory ID: VMSA-2012-0006
Synopsis: VMware ESXi and ESX address several security issues
Issue date: 2012-03-29
Updated on: 2012-03-29 (initial advisory)
CVE numbers: CVE-2012-1515, CVE-2011-2482, CVE-2011-3191, CVE-2011-4348
CVE-2011-4862
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1. Summary
VMware ESXi and ESX address several security issues.
2. Relevant releases
ESXi 4.1 without patch ESXi410-201101201-SG
ESXi 4.0 without patch ESXi400-201203401-SG
ESXi 3.5 without patch ESXe350-201203401-I-SG
ESX 4.1 without patch ESX410-201101201-SG
ESX 4.0 without patches ESX400-201203401-SG, ESX400-201203407-SG
ESX 3.5 without patch ESX350-201203401-SG
3. Problem Description
a. VMware ROM Overwrite Privilege Escalation
A flaw in the way port-based I/O is handled allows for modifying
Read-Only Memory that belongs to the Virtual DOS Machine.
Exploitation of this issue may lead to privilege escalation on
Guest Operating Systems that run Windows 2000, Windows XP
32-bit, Windows Server 2003 32-bit or Windows Server 2003 R2
32-bit.
VMware would like to thank Derek Soeder of Ridgeway Internet
Security, L.L.C. for reporting this issue to us.
The Common Vulnerabilities and Exposures project (cve.mitre.org)
has assigned the name CVE-2012-1515 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
============= ======== ======= =================
vCenter any Windows not affected
Workstation 8.x any not affected
Player 4.x any not affected
Fusion 4.x Mac OS/X not affected
ESXi 5.0 ESXi not affected
ESXi 4.1 ESXi ESXi410-201101201-SG
ESXi 4.0 ESXi ESXi400-201203401-SG
ESXi 3.5 ESXi ESXe350-201203401-I-SG
ESX 4.1 ESX ESX410-201101201-SG
ESX 4.0 ESX ESX400-201203401-SG
ESX 3.5 ESX ESX350-201203401-SG
b. ESX third party update for Service Console kernel
The ESX Service Console Operating System (COS) kernel is updated
to kernel-400.2.6.18-238.4.11.591731 to fix multiple security
issues in the COS kernel.
The Common Vulnerabilities and Exposures project (cve.mitre.org)
has assigned the names CVE-2011-2482, CVE-2011-3191 and
CVE-2011-4348 to these issues.
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
============= ======== ======= =================
vCenter any Windows not affected
hosted * any any not affected
ESXi any ESXi not affected
ESX 4.1 ESX patch pending **
ESX 4.0 ESX ESX400-201203401-SG
ESX 3.5 ESX not applicable
* hosted products are VMware Workstation, Player, ACE, Fusion.
** One of the three issues, CVE-2011-2482, has already been
addressed on ESX 4.1 in an earlier kernel patch. See
VMSA-2012-0001 for details.
c. ESX third party update for Service Console krb5 RPM
This patch updates the krb5-libs and krb5-workstation RPMs to
version 1.6.1-63.el5_7 to resolve a security issue.
By default, the affected krb5-telnet and ekrb5-telnet services
do not run. The krb5 telnet daemon is an xinetd service. You
can run the following commands to check if krb5 telnetd is
enabled:
/sbin/chkconfig --list krb5-telnet
/sbin/chkconfig --list ekrb5-telnet
The output of these commands displays if krb5 telnet is enabled.
You can run the following commands to disable krb5 telnet
daemon:
/sbin/chkconfig krb5-telnet off
/sbin/chkconfig ekrb5-telnet off
The Common Vulnerabilities and Exposures project (cve.mitre.org)
has assigned the name CVE-2011-4862 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
============= ======== ======= =================
vCenter any Windows not affected
hosted * any any not affected
ESXi any ESXi not affected
ESX 4.1 ESX not applicable
ESX 4.0 ESX ESX400-201203407-SG
ESX 3.5 ESX not applicable
* hosted products are VMware Workstation, Player, ACE, Fusion.
4. Solution
Please review the patch/release notes for your product and
version and verify the checksum of your downloaded file.
ESXi 4.1
--------
update-from-esxi4.1-4.1_update01
md5sum: 2f1e009c046b20042fae3b7ca42a840f
sha1sum: 1c9c644012dec657a705ddd3d033cbfb87a1fab1
http://kb.vmware.com/kb/1027919
update-from-esxi4.1-4.1_update01 contains ESXi410-201101201-SG
ESXi 4.0
--------
ESXi400-201203001
md5sum: 8054b2e7c9cd024e492ac5c1fb9c1e72
sha1sum: 6150fee114d70603ccae399f42b905a6b1a7f3e1
http://kb.vmware.com/kb/2011777
ESXi400-201203001 contains ESXi400-201203401-SG
ESXi 3.5
--------
ESXe350-201203401-O-SG
md5sum: 44124458684d6d1b957b4e39cbe97d77
sha1sum: 2255311bc6c27e127e075040eb1f98649b5ce8be
http://kb.vmware.com/kb/2009160
ESXe350-201203401-O-SG contains ESXe350-201203401-I-SG
ESX 4.1
-------
update-from-esx4.1-4.1_update01
md5sum: 2d81a87e994aa2b329036f11d90b4c14
sha1sum: c2bfc0cf7ac03d24afd5049ddbd09a865aad1798
http://kb.vmware.com/kb/1027904
update-from-esx4.1-4.1_update01 contains ESX410-201101201-SG
ESX 4.0
-------
ESX400-201203001
md5sum: 02b7e883e8b438b83bf5e53a1be71ad3
sha1sum: 34734a8edba225a332731205ee2d6575ad9e1c88
http://kb.vmware.com/kb/2011767
ESX400-201203001 contains ESX400-201203401-SG and ESX400-201203407-SG
ESX 3.5
-------
ESX350-201203401-SG
md5sum: 07743c471ce46de825c36c2277ccd500
sha1sum: cb77e6f820e1015311bf2386b240fd84f0ad04dd
http://kb.vmware.com/kb/2009155
5. References
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-1515
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-2482
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-3191
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-4348
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-4862
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6. Change log
2012-03-29 VMSA-2012-0006
Initial security advisory in conjunction with the release of patches
for ESX 4.0 on 2012-03-29.
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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
* full-disclosure at lists.grok.org.uk
E-mail: security at vmware.com
PGP key at: http://kb.vmware.com/kb/1055
VMware Security Advisories
http://www.vmware.com/security/advisories
VMware security response policy
http://www.vmware.com/support/policies/security_response.html
General support life cycle policy
http://www.vmware.com/support/policies/eos.html
VMware Infrastructure support life cycle policy
http://www.vmware.com/support/policies/eos_vi.html
Copyright 2012 VMware Inc. All rights reserved.
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