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Ubuntu: acpid vulnerability Print E-mail
User Rating:      How can I rate this item?
Posted by Benjamin D. Thomas   
Ubuntu It was discovered that acpid did not properly handle a large number of connections. A local user could exploit this and monopolize CPU resources, leading to a denial of service.
===========================================================
Ubuntu Security Notice USN-766-1             April 27, 2009
acpid vulnerability
CVE-2009-0798
===========================================================

A security issue affects the following Ubuntu releases:

Ubuntu 6.06 LTS
Ubuntu 8.04 LTS
Ubuntu 8.10
Ubuntu 9.04

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 6.06 LTS:
  acpid                           1.0.4-1ubuntu11.2

Ubuntu 8.04 LTS:
  acpid                           1.0.4-5ubuntu9.3

Ubuntu 8.10:
  acpid                           1.0.6-9ubuntu4.8.10.2

Ubuntu 9.04:
  acpid                           1.0.6-9ubuntu4.9.04.2

In general, a standard system upgrade is sufficient to effect the
necessary changes.

Details follow:

It was discovered that acpid did not properly handle a large number of
connections. A local user could exploit this and monopolize CPU resources,
leading to a denial of service.


Updated packages for Ubuntu 6.06 LTS:

  Source archives:

    http://security.ubuntu.com/ubuntu/pool/main/a/acpid/acpid_1.0.4-1ubuntu11.2.dsc
      Size/MD5:      532 6cbd96ce3f48daf06f3bf4fdb499cd72
    http://security.ubuntu.com/ubuntu/pool/main/a/acpid/acpid_1.0.4-1ubuntu11.2.tar.gz
      Size/MD5:    42909 5e273af5829107a45c5b4bdc32090113

  amd64 architecture (Athlon64, Opteron, EM64T Xeon):

    http://security.ubuntu.com/ubuntu/pool/main/a/acpid/acpid_1.0.4-1ubuntu11.2_amd64.deb
      Size/MD5:    33410 89128e2a91cd77203f5d678276fba069

  i386 architecture (x86 compatible Intel/AMD):

    http://security.ubuntu.com/ubuntu/pool/main/a/acpid/acpid_1.0.4-1ubuntu11.2_i386.deb
      Size/MD5:    31772 ff0876cef2bc44bf2549ae5c1aeb6f29

Updated packages for Ubuntu 8.04 LTS:

  Source archives:

    http://security.ubuntu.com/ubuntu/pool/main/a/acpid/acpid_1.0.4-5ubuntu9.3.diff.gz
      Size/MD5:    16751 90ec928c507fbfb4bcc7bf8afa4c9110
    http://security.ubuntu.com/ubuntu/pool/main/a/acpid/acpid_1.0.4-5ubuntu9.3.dsc
      Size/MD5:      682 13300a24b68481c6239449e02aec4c54
    http://security.ubuntu.com/ubuntu/pool/main/a/acpid/acpid_1.0.4.orig.tar.gz
      Size/MD5:    23416 3aff94e92186e99ed5fd6dcee2db7c74

  amd64 architecture (Athlon64, Opteron, EM64T Xeon):

    http://security.ubuntu.com/ubuntu/pool/main/a/acpid/acpid_1.0.4-5ubuntu9.3_amd64.deb
      Size/MD5:    31490 17fd76b0c94c668db0a8811412ef62d2

  i386 architecture (x86 compatible Intel/AMD):

    http://security.ubuntu.com/ubuntu/pool/main/a/acpid/acpid_1.0.4-5ubuntu9.3_i386.deb
      Size/MD5:    29602 bd2ffb9bb86ab08ee14cfe3b72547217

  lpia architecture (Low Power Intel Architecture):

    http://ports.ubuntu.com/pool/main/a/acpid/acpid_1.0.4-5ubuntu9.3_lpia.deb
      Size/MD5:    29638 b94f3ca51af282862df5bb7faa0cb03a

Updated packages for Ubuntu 8.10:

  Source archives:

    http://security.ubuntu.com/ubuntu/pool/main/a/acpid/acpid_1.0.6-9ubuntu4.8.10.2.diff.gz
      Size/MD5:    18854 d683c232055bc3ba880791ddf50a83dd
    http://security.ubuntu.com/ubuntu/pool/main/a/acpid/acpid_1.0.6-9ubuntu4.8.10.2.dsc
      Size/MD5:     1291 92aed8492d636efcf2070977f405d811
    http://security.ubuntu.com/ubuntu/pool/main/a/acpid/acpid_1.0.6.orig.tar.gz
      Size/MD5:    24226 5c9b705700df51d232be223b6ab6414d

  amd64 architecture (Athlon64, Opteron, EM64T Xeon):

    http://security.ubuntu.com/ubuntu/pool/main/a/acpid/acpid_1.0.6-9ubuntu4.8.10.2_amd64.deb
      Size/MD5:    34944 3aeeee135debcfea2feaba99f0bb4071

  i386 architecture (x86 compatible Intel/AMD):

    http://security.ubuntu.com/ubuntu/pool/main/a/acpid/acpid_1.0.6-9ubuntu4.8.10.2_i386.deb
      Size/MD5:    33308 51448592463566566d9ef748987e45fe

  lpia architecture (Low Power Intel Architecture):

    http://ports.ubuntu.com/pool/main/a/acpid/acpid_1.0.6-9ubuntu4.8.10.2_lpia.deb
      Size/MD5:    33194 a2884b686496e24fa59a7f92489eee9a

Updated packages for Ubuntu 9.04:

  Source archives:

    http://security.ubuntu.com/ubuntu/pool/main/a/acpid/acpid_1.0.6-9ubuntu4.9.04.2.diff.gz
      Size/MD5:    18858 1d44542b4b218e23667ff3cd13b92c1a
    http://security.ubuntu.com/ubuntu/pool/main/a/acpid/acpid_1.0.6-9ubuntu4.9.04.2.dsc
      Size/MD5:     1291 e15c2c64210c0123753b97a1fb53a654
    http://security.ubuntu.com/ubuntu/pool/main/a/acpid/acpid_1.0.6.orig.tar.gz
      Size/MD5:    24226 5c9b705700df51d232be223b6ab6414d

  amd64 architecture (Athlon64, Opteron, EM64T Xeon):

    http://security.ubuntu.com/ubuntu/pool/main/a/acpid/acpid_1.0.6-9ubuntu4.9.04.2_amd64.deb
      Size/MD5:    34926 444c7b4cdf9dcc1f12327acd573f4ff2

  i386 architecture (x86 compatible Intel/AMD):

    http://security.ubuntu.com/ubuntu/pool/main/a/acpid/acpid_1.0.6-9ubuntu4.9.04.2_i386.deb
      Size/MD5:    33300 4f4a8c94d893f20a8dbc0895ed66f825

  lpia architecture (Low Power Intel Architecture):

    http://ports.ubuntu.com/pool/main/a/acpid/acpid_1.0.6-9ubuntu4.9.04.2_lpia.deb
      Size/MD5:    33200 b909c43c28a616ce1963344a2c0280b3



 
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