CVE-2017-13082

Impact:
Important
Public Date:
2017-10-16
CWE:
CWE-323
Bugzilla:
1491698: CVE-2017-13082 wpa_supplicant: Accepting a retransmitted FT Reassociation Request and reinstalling the pairwise key while processing it
A new exploitation technique called key reinstallation attacks (KRACK) affecting WPA2 has been discovered. A remote attacker within Wi-Fi range could exploit this attack to decrypt Wi-Fi traffic or possibly inject forged Wi-Fi packets by reinstalling a previously used pairwise key (PTK-TK) by retransmitting Fast BSS Transition (FT) Reassociation Requests.

Find out more about CVE-2017-13082 from the MITRE CVE dictionary dictionary and NIST NVD.

Statement

This issue did not affect the versions of wpa_supplicant as shipped with Red Hat Enterprise Linux 5 and 6.

This issue affects the versions of wpa_supplicant as shipped with Red Hat Enterprise Linux 7.

CVSS v3 metrics

CVSS3 Base Score 8.1
CVSS3 Base Metrics CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Attack Vector Adjacent Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity Impact High
Availability Impact None

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux 7 (wpa_supplicant) RHSA-2017:2907 2017-10-17
Unless explicitly stated as not affected, all previous versions of packages in any minor update stream of a product listed here should be assumed vulnerable, although may not have been subject to full analysis.

Acknowledgements

Red Hat would like to thank CERT for reporting this issue. Upstream acknowledges Mathy Vanhoef (University of Leuven) as the original reporter.

External References

Last Modified