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RedHat Update for wpa_supplicant RHSA-2017:2911-01

Information

Severity

Severity

Medium

Family

Family

Red Hat Local Security Checks

CVSSv2 Base

CVSSv2 Base

5.4

CVSSv2 Vector

CVSSv2 Vector

AV:A/AC:M/Au:N/C:P/I:P/A:P

Solution Type

Solution Type

Vendor Patch

Created

Created

6 years ago

Modified

Modified

5 years ago

Summary

The remote host is missing an update for the 'wpa_supplicant' package(s) announced via the referenced advisory.

Insight

Insight

The wpa_supplicant packages contain an 802.1X Supplicant with support for WEP, WPA, WPA2 (IEEE 802.11i / RSN), and various EAP authentication methods. They implement key negotiation with a WPA Authenticator for client stations and controls the roaming and IEEE 802.11 authentication and association of the WLAN driver. Security Fix(es): * A new exploitation technique called key reinstallation attacks (KRACK) affecting WPA2 has been discovered. A remote attacker within Wi-Fi range could exploit these attacks to decrypt Wi-Fi traffic or possibly inject forged Wi-Fi packets by manipulating cryptographic handshakes used by the WPA2 protocol. (CVE-2017-13077, CVE-2017-13078, CVE-2017-13080, CVE-2017-13087) Red Hat would like to thank CERT for reporting these issues. Upstream acknowledges Mathy Vanhoef (University of Leuven) as the original reporter of these issues.

Affected Software

Affected Software

wpa_supplicant on Red Hat Enterprise Linux Desktop (v. 6), Red Hat Enterprise Linux Server (v. 6), Red Hat Enterprise Linux Workstation (v. 6)

Detection Method

Detection Method

Checks if a vulnerable version is present on the target host.

Solution

Solution

Please Install the Updated Packages.

Common Vulnerabilities and Exposures (CVE)