exploit the possibilities
Home Files News &[SERVICES_TAB]About Contact Add New

Ubuntu Security Notice USN-1232-1

Ubuntu Security Notice USN-1232-1
Posted Oct 18, 2011
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1232-1 - It was discovered that the X server incorrectly handled certain malformed input. An authorized attacker could exploit this to cause the X server to crash, leading to a denial or service, or possibly execute arbitrary code with root privileges. This issue only affected Ubuntu 10.04 LTS and 10.10. It was discovered that the X server incorrectly handled certain malformed input. An authorized attacker could exploit this to cause the X server to crash, leading to a denial or service, or possibly read arbitrary data from the X server process. This issue only affected Ubuntu 10.04 LTS. Various other issues were also addressed.

tags | advisory, arbitrary, root
systems | linux, ubuntu
advisories | CVE-2010-4818, CVE-2010-4819, CVE-2011-4028, CVE-2011-4029
SHA-256 | a04660c7b598d19e4f72432e2a317262cebfd0b9fa6d764460a7bd04e7a74a4f

Ubuntu Security Notice USN-1232-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-1232-1
October 18, 2011

xorg-server vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 11.10
- Ubuntu 11.04
- Ubuntu 10.10
- Ubuntu 10.04 LTS

Summary:

The X server could be made to crash, run programs as an administrator, or
read arbitrary files.

Software Description:
- xorg-server: X.Org X server

Details:

It was discovered that the X server incorrectly handled certain malformed
input. An authorized attacker could exploit this to cause the X server to
crash, leading to a denial or service, or possibly execute arbitrary code
with root privileges. This issue only affected Ubuntu 10.04 LTS and 10.10.
(CVE-2010-4818)

It was discovered that the X server incorrectly handled certain malformed
input. An authorized attacker could exploit this to cause the X server to
crash, leading to a denial or service, or possibly read arbitrary data from
the X server process. This issue only affected Ubuntu 10.04 LTS.
(CVE-2010-4819)

Vladz discovered that the X server incorrectly handled lock files. A local
attacker could use this flaw to determine if a file existed or not.
(CVE-2011-4028)

Vladz discovered that the X server incorrectly handled setting lock file
permissions. A local attacker could use this flaw to gain read permissions
on arbitrary files and view sensitive information. (CVE-2011-4029)

Update instructions:

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

Ubuntu 11.10:
xserver-xorg-core 2:1.10.4-1ubuntu4.1

Ubuntu 11.04:
xserver-xorg-core 2:1.10.1-1ubuntu1.3

Ubuntu 10.10:
xserver-xorg-core 2:1.9.0-0ubuntu7.5

Ubuntu 10.04 LTS:
xserver-xorg-core 2:1.7.6-2ubuntu7.8

After a standard system update you need to restart your session to make
all the necessary changes.

References:
http://www.ubuntu.com/usn/usn-1232-1
CVE-2010-4818, CVE-2010-4819, CVE-2011-4028, CVE-2011-4029

Package Information:
https://launchpad.net/ubuntu/+source/xorg-server/2:1.10.4-1ubuntu4.1
https://launchpad.net/ubuntu/+source/xorg-server/2:1.10.1-1ubuntu1.3
https://launchpad.net/ubuntu/+source/xorg-server/2:1.9.0-0ubuntu7.5
https://launchpad.net/ubuntu/+source/xorg-server/2:1.7.6-2ubuntu7.8


Login or Register to add favorites

File Archive:

August 2022

  • Su
  • Mo
  • Tu
  • We
  • Th
  • Fr
  • Sa
  • 1
    Aug 1st
    20 Files
  • 2
    Aug 2nd
    4 Files
  • 3
    Aug 3rd
    6 Files
  • 4
    Aug 4th
    55 Files
  • 5
    Aug 5th
    16 Files
  • 6
    Aug 6th
    0 Files
  • 7
    Aug 7th
    0 Files
  • 8
    Aug 8th
    13 Files
  • 9
    Aug 9th
    13 Files
  • 10
    Aug 10th
    34 Files
  • 11
    Aug 11th
    16 Files
  • 12
    Aug 12th
    5 Files
  • 13
    Aug 13th
    0 Files
  • 14
    Aug 14th
    0 Files
  • 15
    Aug 15th
    25 Files
  • 16
    Aug 16th
    3 Files
  • 17
    Aug 17th
    6 Files
  • 18
    Aug 18th
    0 Files
  • 19
    Aug 19th
    0 Files
  • 20
    Aug 20th
    0 Files
  • 21
    Aug 21st
    0 Files
  • 22
    Aug 22nd
    0 Files
  • 23
    Aug 23rd
    0 Files
  • 24
    Aug 24th
    0 Files
  • 25
    Aug 25th
    0 Files
  • 26
    Aug 26th
    0 Files
  • 27
    Aug 27th
    0 Files
  • 28
    Aug 28th
    0 Files
  • 29
    Aug 29th
    0 Files
  • 30
    Aug 30th
    0 Files
  • 31
    Aug 31st
    0 Files

Top Authors In Last 30 Days

File Tags

Systems

packet storm

© 2022 Packet Storm. All rights reserved.

Hosting By
Rokasec
close