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Ubuntu 14.04 LTS Security Notice: USN-2578-1 Major wpa_supplicant Issue

ubuntu
Calendar Grey April 23, 2015
Dist Ubuntu Esm H88
Ubuntu Security Advisory USN-2577-1 outlines a vulnerability in wpa_supplicant impacting multiple Ubuntu versions.
wpa_supplicant could be made to crash, expose memory, or run programs if it received specially crafted network traffic.

Summary

wpa_supplicant could be made to crash, expose memory, or run programs if it

received specially crafted network traffic.

Software Description:

- wpa: client support for WPA and WPA2

Details:

It was discovered that wpa_supplicant incorrectly handled SSID information

when creating or updating P2P peer entries. A remote attacker could use

this issue to cause wpa_supplicant to crash, resulting in a denial of

service, expose memory contents, or possibly execute arbitrary code.

Topics%20covered

Topics Covered

security advisory denial of service critical attack ubuntu exploitation wpa_supplicant

Update Instructions

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

Ubuntu 14.10:
  wpasupplicant                   2.1-0ubuntu4.1

Ubuntu 14.04 LTS:
  wpasupplicant                   2.1-0ubuntu1.2

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

References

https://ubuntu.com/security/notices/USN-2577-1

CVE-2015-1863

Severity
critical
Lowest
Low
Medium
High
Critical

April 23, 2015

Topics%20covered

Topics Covered

security advisory denial of service critical attack ubuntu exploitation wpa_supplicant

Package Information

https://launchpad.net/ubuntu/+source/wpa/2.1-0ubuntu4.1
https://launchpad.net/ubuntu/+source/wpa/2.1-0ubuntu1.2

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