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 integrity group key (IGTK) during a Wireless Network Management (WNM) Sleep Mode handshake.
Find out more about CVE-2017-13088 from the MITRE CVE dictionary dictionary and NIST NVD.
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.
| 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 |
| Platform | Errata | Release Date |
|---|---|---|
| Red Hat Enterprise Linux 7 (wpa_supplicant) | RHSA-2017:2907 | 2017-10-17 |
| Platform | Package | State |
|---|---|---|
| Red Hat Enterprise Linux 6 | wpa_supplicant | Not affected |
| Red Hat Enterprise Linux 5 | wpa_supplicant | Not affected |
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