Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

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.

Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 5.9, indicating it can be exploited remotely over the network but requires specific conditions to be met without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts and availability (service disruption) for affected systems. Impacting 2 products from w1.fi, from debian organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2018, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.

Published

2018-02-21T16:29:00.410

Last Modified

2024-11-21T02:32:46.903

Status

Modified

Source

[email protected]

Severity

CVSSv3.0: 5.9 (MEDIUM)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

8.6

Impact Score

2.9

Weaknesses

Type: Primary
CWE-476

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	w1.fi	wpa_supplicant	< 2.6	Yes
Operating System	debian	debian_linux	8.0	Yes

References

http://w1.fi/security/2015-8/eap-pwd-unexpected-confirm.txt Mitigation, Patch, Vendor Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2015/11/10/11 Mailing List, Mitigation, Patch, Third Party Advisory ([email protected])
http://www.securityfocus.com/bid/77538 Third Party Advisory, VDB Entry ([email protected])
http://www.ubuntu.com/usn/USN-2808-1 Broken Link ([email protected])
https://www.debian.org/security/2015/dsa-3397 Third Party Advisory ([email protected])
http://w1.fi/security/2015-8/eap-pwd-unexpected-confirm.txt Mitigation, Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2015/11/10/11 Mailing List, Mitigation, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/77538 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.ubuntu.com/usn/USN-2808-1 Broken Link (af854a3a-2127-422b-91ae-364da2661108)
https://www.debian.org/security/2015/dsa-3397 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For w1.fi's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.