NULL pointer dereference in W1.fi Wpa Supplicant
CVE-2015-5316
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.032 (87.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 88th percentile — 87.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.032 · newest: 0.032 · change: 0.000
Affected products
- W1.fi Wpa Supplicant
- Debian Linux — versions 8.0
Weakness classification (CWE)
References
- www.ubuntu.com/usn/USN-2808-1 (vendor-advisory, Broken Link)
- www.debian.org/security/2015/dsa-3397 (vendor-advisory, Third Party Advisory)
- www.openwall.com/lists/oss-security/2015/11/10/11 (mailing-list, Patch, Mailing List, Third Party Advisory, Mitigation)
- www.securityfocus.com/bid/77538 (VDB Entry, Third Party Advisory, vdb-entry)
- w1.fi/security/2015-8/eap-pwd-unexpected-confirm.txt (Patch, Mitigation, Vendor Advisory)
Frequently asked questions
- What is CVE-2015-5316?
- CVE-2015-5316 is a medium-severity vulnerability in W1.fi Wpa Supplicant, classified under NULL Pointer Dereference. CVSS score: 5.9/10. Published 2018-02-21.
- How severe is CVE-2015-5316?
- Medium severity. CVSS v3 base score is 5.9 out of 10.