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-698-2          December 22, 2008
nagios3 vulnerabilities
CVE-2008-5027, CVE-2008-5028
==========================================================
A security issue affects the following Ubuntu releases:

Ubuntu 8.10

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 8.10:
  nagios3                         3.0.2-1ubuntu1.1

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 8.10:

  Source archives:

          Size/MD5:    38086 84020bf2660e52ef176a2274971e4c1b
          Size/MD5:     1644 868828fdabd748689e35083aa052a483
          Size/MD5:  2759331 008d71aac08660bc007f7130ea82ab80

  Architecture independent packages:

          Size/MD5:    72216 1cccb3e8640dbd2612caf7841ae1756b
          Size/MD5:  2063224 9769666c13c1d886228f66ff40dc729a

  amd64 architecture (Athlon64, Opteron, EM64T Xeon):

          Size/MD5:  2660164 381e889f994b102f6e65acc67f032f7a
          Size/MD5:  1538712 8ce98eee89e13bc544180c73c9d24ba0

  i386 architecture (x86 compatible Intel/AMD):

          Size/MD5:  2429130 87889b6dc28b86c4aae3d0acdd9950e9
          Size/MD5:  1387398 ec353697aced7539893ef9409d850120

  lpia architecture (Low Power Intel Architecture):

          Size/MD5:  2479724 433504296b1650a7d393ab28d9b264b7
          Size/MD5:  1376480 be232a1c16b5daff63b586f2cd66b9eb

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

          Size/MD5:  2630802 167b533ea10d8962df5bc5904133c067
          Size/MD5:  1525154 0679044c20e6a53c9311f2670834035b

  sparc architecture (Sun SPARC/UltraSPARC):

          Size/MD5:  2327204 f40329c8a8216799a365d185bcc2a646
          Size/MD5:  1379752 04408878bff9de5f485c7da2c6ffde4d



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