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Category:   Application (Generic)  >   wpa_supplicant Vendors:   Malinen, Jouni et al
wpa_supplicant WPA/WPA2 Protocol Key Reinstallation Attack Lets Remote Users Access and Modify Data on the Target Wireless Network
SecurityTracker Alert ID:  1039573
SecurityTracker URL:  http://securitytracker.com/id/1039573
CVE Reference:   CVE-2017-13077, CVE-2017-13078, CVE-2017-13079, CVE-2017-13080, CVE-2017-13081, CVE-2017-13082, CVE-2017-13086, CVE-2017-13087, CVE-2017-13088   (Links to External Site)
Date:  Oct 16 2017
Impact:   Disclosure of system information, Disclosure of user information, Modification of system information, Modification of user information
Fix Available:  Yes  Vendor Confirmed:  Yes  Exploit Included:  Yes  
Version(s): 2.6 and prior
Description:   Multiple vulnerabilities were reported in wpa_supplicant. A remote user on the wireless network can access and modify data on the wireless network.

A remote user within range of the wireless network can record and replay retransmissions of part of the 802.11i 4-way handshake of the WPA and WPA2 protocols to force a reinstallation of the pairwise transient key, a group key, or an integrity key and force a reset of the incremental transmit packet number nonce and the receive replay counter. As a result, the remote user can replay encrypted packets, decrypt packets, and forge packets.

Both client systems and access points are affected.

A remote user on the wireless network can reinstall the pairwise encryption key (PTK-TK) [CVE-2017-13077].

A remote user on the wireless network can reinstall the group key (GTK) [CVE-2017-13078, CVE-2017-13080].

A remote user on the wireless network can reinstall the integrity group key (IGTK) [CVE-2017-13079, CVE-2017-13081].

A remote user on the wireless network can retransmit the Fast BSS Transition (FT) Reassociation Request and reinstall the pairwise encryption key (PTK-TK) [CVE-2017-13082].

A remote user on the wireless network can reinstall the Tunneled Direct-Link Setup (TDLS) PeerKey (TPK) key in the TDLS handshake [CVE-2017-13086].

A remote user on the wireless network can reinstall the group key (GTK) when processing a Wireless Network Management (WNM) Sleep Mode Response frame [CVE-2017-13087].

A remote user on the wireless network can reinstall the integrity group key (IGTK) when processing a Wireless Network Management (WNM) Sleep Mode Response frame [CVE-2017-13088].

This set of vulnerabilities is referred to as KRACK (Key Reinstallation AttaCK).

The original advisory is available at:

https://papers.mathyvanhoef.com/ccs2017.pdf

Additional information is available at:

https://www.krackattacks.com/

Mathy Vanhoef and Frank Piessens from Katholieke Universiteit Leuven reported these vulnerabilities. John Van Boxtel from Cypress reported one vulnerability.

[Editor's note: The vulnerabilities reside in the WPA and WPA2 protocol specification and are not due to incorrect vendor implementation of the standards.]

Impact:   A remote user on the wireless network can access and modify data on the wireless network.
Solution:   The vendor has issued patches, available at:

https://w1.fi/security/2017-1/

The patches will be included in future release 2.7.

The vendor advisory is available at:

https://w1.fi/security/2017-1/wpa-packet-number-reuse-with-replayed-messages.txt

Vendor URL:  w1.fi/security/2017-1/wpa-packet-number-reuse-with-replayed-messages.txt (Links to External Site)
Cause:   Access control error, State error
Underlying OS:  Linux (Any), UNIX (FreeBSD), UNIX (macOS/OS X), UNIX (NetBSD), UNIX (OpenBSD), Windows (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Oct 16 2017 (Ubuntu Issues Fix) wpa_supplicant WPA/WPA2 Protocol Key Reinstallation Attack Lets Remote Users Access and Modify Data on the Target Wireless Network
Ubuntu has issued a fix for Ubuntu Linux 14.04 LTS, 16.04 LTS, and 17.04.
Oct 17 2017 (Red Hat Issues Fix) wpa_supplicant WPA/WPA2 Protocol Key Reinstallation Attack Lets Remote Users Access and Modify Data on the Target Wireless Network
Red Hat has issued a fix for Red Hat Enterprise Linux 7.
Oct 18 2017 (FreeBSD Issues Fix) wpa_supplicant WPA/WPA2 Protocol Key Reinstallation Attack Lets Remote Users Access and Modify Data on the Target Wireless Network
FreeBSD has issued a fix for FreeBSD 10.3, 10.4, 11.0, and 11.1.
Oct 18 2017 (CentOS Issues Fix) wpa_supplicant WPA/WPA2 Protocol Key Reinstallation Attack Lets Remote Users Access and Modify Data on the Target Wireless Network
CentOS has issued a fix for CentOS 7.
Oct 18 2017 (Oracle Issues Fix for Oracle Linux) wpa_supplicant WPA/WPA2 Protocol Key Reinstallation Attack Lets Remote Users Access and Modify Data on the Target Wireless Network
Oracle has issued a fix for Oracle Linux 7.
Oct 18 2017 (CentOS Issues Fix) wpa_supplicant WPA/WPA2 Protocol Key Reinstallation Attack Lets Remote Users Access and Modify Data on the Target Wireless Network
CentOS has issued a fix for CentOS 6.
Oct 18 2017 (Red Hat Issues Fix) wpa_supplicant WPA/WPA2 Protocol Key Reinstallation Attack Lets Remote Users Access and Modify Data on the Target Wireless Network
Red Hat has issued a fix for Red Hat Enterprise Linux 6.
Oct 19 2017 (Oracle Issues Fix for Oracle Linux) wpa_supplicant WPA/WPA2 Protocol Key Reinstallation Attack Lets Remote Users Access and Modify Data on the Target Wireless Network
Oracle has issued a fix for Oracle Linux 6.
Nov 6 2017 (QNAP Systems Issues Fix for QNAP Storage Devices) wpa_supplicant WPA/WPA2 Protocol Key Reinstallation Attack Lets Remote Users Access and Modify Data on the Target Wireless Network
QNAP Systems has issued a fix for QNAP Storage Devices.
Nov 10 2017 (Google Issues Fix for Google Android) wpa_supplicant WPA/WPA2 Protocol Key Reinstallation Attack Lets Remote Users Access and Modify Data on the Target Wireless Network
Google has issued a fix for Google Android.
Dec 6 2017 (Apple Issues Fix for Apple TV) wpa_supplicant WPA/WPA2 Protocol Key Reinstallation Attack Lets Remote Users Access and Modify Data on the Target Wireless Network
Apple has issued a fix for Apple TV.
Dec 6 2017 (Apple Issues Fix for Apple iOS) wpa_supplicant WPA/WPA2 Protocol Key Reinstallation Attack Lets Remote Users Access and Modify Data on the Target Wireless Network
Apple has issued a fix for Apple iOS.
Dec 13 2017 (Apple Issues Fix for Apple AirPort) wpa_supplicant WPA/WPA2 Protocol Key Reinstallation Attack Lets Remote Users Access and Modify Data on the Target Wireless Network
Apple has issued a fix for Apple AirPort 7.6.
Dec 13 2017 (Apple Issues Fix for Apple AirPort) wpa_supplicant WPA/WPA2 Protocol Key Reinstallation Attack Lets Remote Users Access and Modify Data on the Target Wireless Network
Apple has issued a fix for Apple AirPort 7.7.
Jul 5 2018 (Apple Issues Fix for Apple Boot Camp) wpa_supplicant WPA/WPA2 Protocol Key Reinstallation Attack Lets Remote Users Access and Modify Data on the Target Wireless Network
Apple has issued a fix for Apple Boot Camp.



 Source Message Contents

Subject:  https://w1.fi/security/2017-1/wpa-packet-number-reuse-with-replayed-messages.txt

 
 


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