NULL pointer dereference in wpa_supplicant - CVE-2015-5316

 

NULL pointer dereference in wpa_supplicant - CVE-2015-5316

Published: March 26, 2018


Vulnerability identifier: #VU11269
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2015-5316
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Jouni Malinen
Affected software:
wpa_supplicant

Detailed vulnerability description

The vulnerability allows a remote unauthenticated attacker to cause DoS condition on the target system.

The weakness exists in the eap_pwd_perform_confirm_exchangefunction due to NULL pointer dereference. A remote attacker can submit an EAP-pwd Confirm message prior to the Identity exchange and cause the service to crash.

How to mitigate CVE-2015-5316

Update to version 2.6.

Sources