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Wi-Fi client vulnerability could expose Android, Linux, BSD, other systems to attacks

Discussion in 'Network World' started by RSS, Apr 23, 2015.

  1. RSS

    RSS New Member Member

    A serious flaw in a component that’s used to authenticate clients on Wi-Fi networks could expose Android, Linux, BSD, and possibly Windows and Mac OS X systems to attacks.

    The vulnerability is in wpa_supplicant, an open-source software implementation of the IEEE 802.11i specifications for wireless clients.

    The component is cross-platform and is used to control WPA and WPA2 wireless connections on Android, Linux and BSD systems. It can also be used by some third-party wireless software on Mac OS X and Windows, but these operating systems have their own built-in supplicant implementations that are used by default.

    The vulnerability stems from how wpa_supplicant parses SSID (Service Set Identifier) information from wireless network frames when the CONFIG_P2P option is enabled. If exploited, the flaw can allow attackers to crash the client (denial of service), read contents from the process’s memory or inject arbitrary data into its memory, which could result in arbitrary code execution.

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