It was discovered that Nagios was vulnerable to a Cross-site request forgery (CSRF) vulnerability. If an authenticated nagios user were tricked into clicking a link on a specially crafted web page, an attacker could trigger commands to be processed by Nagios and execute arbitrary programs. This update alters Nagios behaviour by disabling submission of CMD_CHANGE commands. (CVE-2008-5028)

==========================================================Ubuntu Security Notice USN-698-3          December 23, 2008
nagios2 vulnerabilities
CVE-2008-5027, CVE-2008-5028
==========================================================
A security issue affects the following Ubuntu releases:

Ubuntu 8.04 LTS

This advisory also applies to the corresponding versions of
Kubuntu, Edubuntu, and Xubuntu.

The problem can be corrected by upgrading your system to the
following package versions:

Ubuntu 8.04 LTS:
  nagios2                         2.11-1ubuntu1.4

After a standard system upgrade you need to restart Nagios to effect
the necessary changes.

Details follow:

It was discovered that Nagios was vulnerable to a Cross-site request forgery
(CSRF) vulnerability. If an authenticated nagios user were tricked into
clicking a link on a specially crafted web page, an attacker could trigger
commands to be processed by Nagios and execute arbitrary programs. This
update alters Nagios behaviour by disabling submission of CMD_CHANGE commands.
(CVE-2008-5028)

It was discovered that Nagios did not properly parse commands submitted using
the web interface. An authenticated user could use a custom form or a browser
addon to bypass security restrictions and submit unauthorized commands.
(CVE-2008-5027)


Updated packages for Ubuntu 8.04 LTS:

  Source archives:

          Size/MD5:    37439 1e9c238bb21704f42d6275c31cf99108
          Size/MD5:     1174 99b9d7ca524be867d538f8f39d52f0cf
          Size/MD5:  1741962 058c1f4829de748b42da1b584cccc941

  Architecture independent packages:

          Size/MD5:    61506 c4f5c96b1c8be0e58c362eb005efba9c
          Size/MD5:  1135002 0515ced55e66978706203bdac4055b39

  amd64 architecture (Athlon64, Opteron, EM64T Xeon):

          Size/MD5:  1640150 d23994c62750473a55138f10935318b6
          Size/MD5:  1106218 d2ca0e16009ae6738cae6efd29f243df

  i386 architecture (x86 compatible Intel/AMD):

          Size/MD5:  1552138 4a165fc1202e3dcc4c7af4eeaa8f14cb
          Size/MD5:   987174 73ba6b8faef90259a965ad3c2aee176e

  lpia architecture (Low Power Intel Architecture):

          Size/MD5:  1586750 161d8bbc1d2f8251aa0888c326152763
          Size/MD5:   999124 984199f0814041fb1d3be332c78a1084

  powerpc architecture (Apple Macintosh G3/G4/G5):

          Size/MD5:  1609376 fc3975c98bf065371fd8a0230d1007c5
          Size/MD5:  1109530 a5e36a48935587ccfc565376a5ea58fa

  sparc architecture (Sun SPARC/UltraSPARC):

          Size/MD5:  1448326 2fc971f58d9891abd1d2babe018742ef
          Size/MD5:   989588 158c615af339c126f07fcc8b3e05480a