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Ubuntu: 2383-1 Critical wpa_supplicant Remote Command Execution

ubuntu
Calendar Grey October 14, 2014
Scroller Ubuntu
A significant notification regarding the wpa_supplicant vulnerability that permits remote command executions across several Ubuntu versions.
wpa_supplicant could be made to run programs if it received specially crafted network traffic.

Summary

wpa_supplicant could be made to run programs if it received specially

crafted network traffic.

Software Description:

- wpa: client support for WPA and WPA2

- wpasupplicant: client support for WPA and WPA2

Details:

Jouni Malinen discovered that the wpa_cli tool incorrectly sanitized

strings when being used with action scripts. A remote attacker could

possibly use this issue to execute arbitrary commands.

Topics%20covered

Topics Covered

security advisory critical remote execution ubuntu wpa_supplicant

Update Instructions

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

Ubuntu 14.04 LTS:
  wpasupplicant                   2.1-0ubuntu1.1

Ubuntu 12.04 LTS:
  wpasupplicant                   0.7.3-6ubuntu2.3

Ubuntu 10.04 LTS:
  wpasupplicant                   0.6.9-3ubuntu3.2

After a standard system update you need to reboot your computer to make all
the necessary changes.

References

https://ubuntu.com/security/notices/USN-2383-1

CVE-2014-3686

Severity
critical
Lowest
Low
Medium
High
Critical

October 14, 2014

Topics%20covered

Topics Covered

security advisory critical remote execution ubuntu wpa_supplicant

Package Information

https://launchpad.net/ubuntu/+source/wpa/2.1-0ubuntu1.1
https://launchpad.net/ubuntu/+source/wpasupplicant/0.7.3-6ubuntu2.3
https://launchpad.net/ubuntu/+source/wpasupplicant/0.6.9-3ubuntu3.2

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