CVE-2015-5316

low-risk
Published 2018-02-21

The eap_pwd_perform_confirm_exchange function in eap_peer/eap_pwd.c in wpa_supplicant 2.x before 2.6, when EAP-pwd is enabled in a network configuration profile, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via an EAP-pwd Confirm message followed by the Identity exchange.

Do I need to act?

~
1.5% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.9/10 Medium
NETWORK / HIGH complexity

Affected Products (2)

Affected Vendors

Debian W1.Fi

References (10)

Mitigation http://w1.fi/security/2015-8/eap-pwd-unexpected-confirm.txt
Mailing List http://www.openwall.com/lists/oss-security/2015/11/10/11
Third Party Advisory http://www.securityfocus.com/bid/77538
Broken Link http://www.ubuntu.com/usn/USN-2808-1
Third Party Advisory https://www.debian.org/security/2015/dsa-3397
Mitigation http://w1.fi/security/2015-8/eap-pwd-unexpected-confirm.txt
Mailing List http://www.openwall.com/lists/oss-security/2015/11/10/11
Third Party Advisory http://www.securityfocus.com/bid/77538
Broken Link http://www.ubuntu.com/usn/USN-2808-1
Third Party Advisory https://www.debian.org/security/2015/dsa-3397
29
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 4/34 · Minimal
Exposure 7/34 · Low