Spyware, viruses, & security forum: VULNERABILITIES / FIXES - July 27, 2012

IBM AIX and Virtual I/O Server "dupmsg" Denial of Service Vulnerability

Release Date : 2012-07-27

Criticality level : Less critical
Impact : DoS
Where : Local system
Solution Status : Vendor Patch

Operating System: AIX 5.x
AIX 6.x
AIX 7.x
IBM Virtual I/O Server (VIOS) 2.x

Description:
A vulnerability has been reported in IBM AIX and IBM Virtual I/O Server, which can be exploited by malicious people to cause a DoS (Denial of Service).

The vulnerability is caused to an error when exporting a "dupmsg" kernel extension call to user space and can be exploited to cause a system crash.

Please see the vendor's advisory for a list of affected versions.

Solution:
Apply Interim Fixes.

Provided and/or discovered by:
The vendor credits Jakub Wartak.

Original Advisory:
IBM (IV22693, IV22694, IV22695, IV22696, IV22697):
http://aix.software.ibm.com/aix/efixes/security/syscall_advisory.asc

http://secunia.com/advisories/50003/

IBM Scale Out Network Attached Storage Samba and Command Execution Vulnerabilities

Release Date : 2012-07-27

Criticality level : Moderately critical
Impact : Security Bypass
System access
Where : From remote
Solution Status : Vendor Patch

Operating System: IBM Scale Out Network Attached Storage (SONAS) 1.x

Description:
A security issue and a vulnerability have been reported in IBM Scale Out Network Attached Storage, which can be exploited by malicious users to bypass certain security restrictions and compromise a vulnerable system.

1) The security issue is caused due to a bundled vulnerable version of Samba.

2) An error in the handling of command execution within the Command Line Interface (CLI) and the Graphical User Interface (GUI) can be exploited to execute arbitrary shell commands with root privileges.

Successful exploitation requires SONAS administrative user rights.

The security issue and the vulnerability are reported in versions 1.1 through 1.3.1.

Solution:
Update to version 1.3.2 or later.

Provided and/or discovered by:
2) Reported by the vendor.

Original Advisory:
IBM:
http://www.ibm.com/support/docview.wss?uid=ssg1S1004168
http://www.ibm.com/support/docview.wss?uid=ssg1S1004170

http://secunia.com/advisories/50071/

Release Date : 2012-07-27

Criticality level : Moderately critical
Impact : DoS
Where : From remote
Solution Status : Vendor Patch

Operating System: Ubuntu Linux 10.04
Ubuntu Linux 11.04
Ubuntu Linux 11.10
Ubuntu Linux 12.04

Description:
Ubuntu has issued an update for bind9. This fixes a vulnerability, which can be exploited by malicious people to cause a DoS (Denial of Service).

Solution:
Apply updated packages.

Original Advisory:
USN-1518-1:
http://www.ubuntu.com/usn/usn-1518-1

http://secunia.com/advisories/50061/

Ruby on Rails Digest Authentication Denial of Service Vulnerability

Release Date : 2012-07-27

Criticality level : Moderately critical
Impact : DoS
Where : From remote
Solution Status : Vendor Patch

Software: Ruby on Rails 3.0.x
Ruby on Rails 3.1.x
Ruby on Rails 3.2.x

Description:
A vulnerability has been reported in Ruby on Rails, which can be exploited by malicious people to cause a DoS (Denial of Service).

The vulnerability is caused due to an error in the Action Pack digest authentication (actionpack/lib/action_controller/metal/http_authentication.rb) that uses "with_http_digest" controller helper methods.

The vulnerability is reported in versions prior to 3.0.16, 3.1.7, and 3.2.7.

Solution:
Update to version 3.0.16, 3.1.7, or 3.2.7.

Provided and/or discovered by:
The vendor credits Charlie Somerville.

Original Advisory:
https://groups.google.com/forum/?fromgroups#!topic/rubyonrails-security/vxJjrc15qYM

http://secunia.com/advisories/48682/

Release Date : 2012-07-27

Criticality level : Not critical
Impact : Exposure of sensitive information
Where : From remote
Solution Status : Vendor Patch

Software: Bugzilla 2.x
Bugzilla 3.x
Bugzilla 4.x

Description:
Two security issues have been reported in Bugzilla, which can be exploited by malicious people to disclose potentially sensitive information.

1) An error due to the application not properly validating permissions of the addressee can be exploited to disclose summaries of otherwise restricted bugs via HTML bugmails.

This security issue is reported in versions 4.1.1 through 4.2.1 and 4.3.1.

2) An error due to the application not properly validating permissions can be exploited to view descriptions of private attachments via public bug comments.

This security issue is reported in versions 2.17.5 through 3.6.9, 3.7.1 through 4.0.6, 4.1.1 through 4.2.1, and 4.3.1.

Solution:
Update to version 3.6.10, 4.0.7, 4.2.2, or 4.3.2.

Provided and/or discovered by:
The vendor credits Frederic Buclin and Byron Jones.

Original Advisory:
http://www.bugzilla.org/security/3.6.9/

http://secunia.com/advisories/50040/

Release Date : 2012-07-27

Criticality level : Less critical
Impact : DoS
Where : From local network
Solution Status : Vendor Patch

Operating System: Debian GNU/Linux 6.0

Description:
Debian has issued an update for isc-dhcp. This fixes some vulnerabilities, which can be exploited by malicious people to cause a DoS (Denial of Service).

Solution:
Apply updated packages via the apt-get package manager.

Original Advisory:
DSA-2516-1:
http://www.debian.org/security/2012/dsa-2516

http://secunia.com/advisories/50017/