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VMware Security Advisory
Advisory ID: VMSA-2008-0001
Synopsis: Moderate OpenPegasus PAM Authentication Buffer
Overflow and updated service console packages
Issue date: 2008-01-07
Updated on: 2008-01-07
CVE numbers: CVE-2007-5360 CVE-2007-5398 CVE-2007-4572
CVE-2007-5191 CVE-2007-5116 CVE-2007-3108
CVE-2007-5135
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1. Summary:
Updated service console patches
2. Relevant releases:
ESX Server 3.0.2 without patches ESX-1002969, ESX-1002970, ESX-1002971,
ESX-1002975, ESX-1002976
ESX Server 3.0.1 without patches ESX-1002962, ESX-1002963, ESX-1002964,
ESX-1002968, ESX-1002972, ESX-1003176
3. Problem description:
I OpenPegasus PAM Authentication Buffer Overflow
Alexander Sotirov from VMware Security Research discovered a
buffer overflow vulnerability in the OpenPegasus Management server.
This flaw could be exploited by a malicious remote user on the
service console network to gain root access to the service console.
The Common Vulnerabilities and Exposures project (cve.mitre.org)
has assigned the name CVE-2007-5360 to this issue.
RPM Updated: pegasus-2.5-552927
VM Shutdown: No
Host Reboot: No
Note: ESX Server 3.5 and ESX Server 3i are not affected by this
issue.
ESX Server 3.0.2
http://download3.vmware.com/software/vi/ESX-1002970.tgz
md5sum: d19115e965d486e72100ce489efea707
http://kb.vmware.com/kb/1002970
ESX Server 3.0.1
http://download3.vmware.com/software/vi/ESX-1003176.tgz
md5sum: 5674ca0dcfac90726014cc316444996e
http://kb.vmware.com/kb/1003176
ESX Server 2.5.x
Users should remove the OpenPegasus CIM Management rpm. This
component is disabled by default, and VMware recommends that you
do not use this component of ESX Server 2.x. If you want to
use the CIM functionality, upgrade to ESX Server 3.0.1 or a later
release.
Note: This vulnerability can be exploited remotely only if the
attacker has access to the service console network.
Security best practices provided by VMware recommend that the
service console be isolated from the VM network. Please see
http://www.vmware.com/resources/techresources/726 for more
information on VMware security best practices.
II Service Console package security updates
a. Updated Samba package
An issue where attackers on the service console management
network can cause a stack-based buffer overflow in the
reply_netbios_packet function of nmbd in Samba. On systems
where Samba is being used as a WINS server, exploiting this
vulnerability can allow remote attackers to execute arbitrary
code via crafted WINS Name Registration requests followed by a
WINS Name Query request.
An issue where attackers on the service console management
network can exploit a vulnerability that occurs when Samba is
configured as a Primary or Backup Domain controller. The
vulnerability allows remote attackers to have an unknown impact
via crafted GETDC mailslot requests, related to handling of
GETDC logon server requests.
The Common Vulnerabilities and Exposures project (cve.mitre.org)
has assigned the names CVE-2007-5398 and CVE-2007-4572 to these
issues.
Note: By default Samba is not configured as a WINS server or a domain
controller and ESX is not vulnerable unless the administrator
has changed the default configuration.
This vulnerability can be exploited remotely only if the
attacker has access to the service console network.
Security best practices provided by VMware recommend that the
service console be isolated from the VM network. Please see
http://www.vmware.com/resources/techresources/726 for more
information on VMware security best practices.
RPM Updated:
samba-3.0.9-1.3E.14.1vmw
samba-client-3.0.9-1.3E.14.1vmw
samba-common-3.0.9-1.3E.14.1vmw
VM Shutdown: Yes
Host Reboot: Yes
ESX Server 3.5.0 is not affected by this issue
ESX Server 3.0.2
http://download3.vmware.com/software/vi/ESX-1002975.tgz
md5sum: 797a7494c2c4eb49629d3f94818df5dd
http://kb.vmware.com/kb/1002975
ESX Server 3.0.1
http://download3.vmware.com/software/vi/ESX-1002968.tgz
md5sum: 5106d90afaf77c3a0d8433487f937d06
http://kb.vmware.com/kb/1002968
ESX Server 2.5.5 download Upgrade Patch 3
ESX Server 2.5.4 download Upgrade Patch 14
b. Updated util-linux package
The patch addresses an issue where the mount and umount
utilities in util-linux call the setuid and setgid functions in
the wrong order and do not check the return values, which could
allow attackers to gain elevated privileges via helper
application such as mount.nfs.
The Common Vulnerabilities and Exposures project (cve.mitre.org)
has assigned the name CVE-2007-5191 to this issue.
RPM Updated:
util-linux-2.11y-31.24vmw
losetup-2.11y-31.24vmw
mount -2.11y-31.24vmw
VM Shutdown: Yes
Host Reboot: Yes
ESX Server 3.0.2
http://download3.vmware.com/software/vi/ESX-1002976.tgz
md5sum: 0fe833c50c0ecb0ff9340d6674be2e43
http://kb.vmware.com/kb/1002976
ESX Server 3.0.1
http://download3.vmware.com/software/vi/ESX-1002972.tgz
md5sum: 59ca4a43f330c5f0b7a55693aa952cdc
http://kb.vmware.com/kb/1002972
c. Updated Perl package
The update addresses an issue where the regular expression
engine in Perl can be used to issue a specially crafted regular
expression that allows the attacker to run arbitrary code with
the permissions level of the current Perl user.
The Common Vulnerabilities and Exposures project (cve.mitre.org)
has assigned the name CVE-2007-5116 to this issue.
RPM Updated:
perl-5.8.0-97.EL3
VM Shutdown: Yes
Host Reboot: Yes
ESX Server 3.0.2
http://download3.vmware.com/software/vi/ESX-1002971.tgz
md5sum: 337b09d9ae4b1694a045e216b69765e1
http://kb.vmware.com/kb/1002971
ESX Server 3.0.1
http://download3.vmware.com/software/vi/ESX-1002964.tgz
md5sum: d47e26104bfd5e4018ae645638c94487
http://kb.vmware.com/kb/1002964
d. Updated OpenSSL package
A flaw in the SSL_get_shared_ciphers() function can allow an
attacker to cause a buffer overflow problem by sending ciphers
to applications that use the function.
A possible vulnerability that would allow a local attacker to
obtain private RSA keys being used on a system using the OpenSSL
package.
The Common Vulnerabilities and Exposures project (cve.mitre.org)
has assigned the names CVE-2007-3108, and CVE-2007-5135 to these
issues.
RPM Updated:
openssl-0.9.7a-33.24
VM Shutdown: Yes
Host Reboot: Yes
ESX Server 3.0.2
http://download3.vmware.com/software/vi/ESX-1002969.tgz
md5sum: 72fd28a9f9380158db149259fbdcaa3b
http://kb.vmware.com/kb/1002969
ESX Server 3.0.1
http://download3.vmware.com/software/vi/ESX-1002962.tgz
md5sum: a0727bdc2e1a6f00d5fe77430a6ee9d6
http://kb.vmware.com/kb/1002962
ESX Server 2.5.5 download Upgrade Patch 3
ESX Server 2.5.4 download Upgrade Patch 14
4. Solution:
Please review the Patch notes for your product and version and verify
the md5sum of your downloaded file.
ESX Server 3.x Patches:
http://www.vmware.com/download/vi/vi3_patches.html
ESX Server 2.x Patches:
http://www.vmware.com/download/esx/esx2_patches.html
ESX Server 2.5.5 Upgrade Patch 3
http://download3.vmware.com/software/esx/esx-2.5.5-65742-upgrade.tar.gz
md5sum: 9068250fdd604e8787ef40995a4638f9
http://www.vmware.com/support/esx25/doc/esx-255-200712-patch.html
ESX Server 2.5.4 Upgrade Patch 14
http://download3.vmware.com/software/esx/esx-2.5.4-65752-upgrade.tar.gz
md5sum: 24990b9207f882ccc91545b6fc90273d
http://www.vmware.com/support/esx25/doc/esx-254-200712-patch.html
5. References:
CVE numbers
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-5360
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-5398
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-4572
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-5191
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-5116
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-3108
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-5135
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6. 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 (dot) com [email concealed]
* bugtraq (at) securityfocus (dot) com [email concealed]
* full-disclosure (at) lists.grok.org (dot) uk [email concealed]
E-mail: security (at) vmware (dot) com [email concealed]
Security web site
http://www.vmware.com/security
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 2008 VMware Inc. All rights reserved.
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