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USN-2650-1: wpa_supplicant and hostapd vulnerabilities

16 June 2015

wpa_supplicant and hostapd could be made to crash if they received specially crafted network traffic.

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Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

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Releases

Packages

  • wpa - client support for WPA and WPA2
  • wpasupplicant - client support for WPA and WPA2

Details

Kostya Kortchinsky discovered multiple flaws in wpa_supplicant and hostapd.
A remote attacker could use these issues to cause wpa_supplicant or hostapd
to crash, resulting in a denial of service. (CVE-2015-4141, CVE-2015-4142,
CVE-2015-4143, CVE-2015-4144, CVE-2015-4145, CVE-2015-4146)

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 15.04
Ubuntu 14.10
Ubuntu 14.04
Ubuntu 12.04

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