Vulnerability Details : 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.
Vulnerability category: Memory CorruptionDenial of service
Products affected by CVE-2015-5316
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:a:w1.fi:wpa_supplicant:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2015-5316
2.06%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 83 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2015-5316
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST | |
|
5.9
|
MEDIUM | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H |
2.2
|
3.6
|
NIST |
CWE ids for CVE-2015-5316
-
The product dereferences a pointer that it expects to be valid but is NULL.Assigned by: nvd@nist.gov (Primary)
References for CVE-2015-5316
-
https://www.debian.org/security/2015/dsa-3397
Debian -- Security Information -- DSA-3397-1 wpaThird Party Advisory
-
http://www.openwall.com/lists/oss-security/2015/11/10/11
oss-security - wpa_supplicant: EAP-pwd peer error path failure on unexpected Confirm messageMailing List;Mitigation;Patch;Third Party Advisory
-
http://www.ubuntu.com/usn/USN-2808-1
USN-2808-1: wpa_supplicant and hostapd vulnerabilities | Ubuntu security noticesBroken Link
-
http://www.securityfocus.com/bid/77538
wpa_supplicant CVE-2015-5316 Null Pointer Deference Denial of Service VulnerabilityThird Party Advisory;VDB Entry
-
http://w1.fi/security/2015-8/eap-pwd-unexpected-confirm.txt
Mitigation;Patch;Vendor Advisory
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