Vulnerability Monitor

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CVE-2015-4143

The EAP-pwd server and peer implementation in hostapd and wpa_supplicant 1.0 through 2.4 allows remote attackers to cause a denial of service (out-of-bounds read and crash) via a crafted (1) Commit or (2) Confirm message payload.

Security Impact Summary

CVE-2015-4143 is a security vulnerability that . Impacting 3 products from w1.fi, from w1.fi, from opensuse organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2015, 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

2015-06-15T15:59:07.913

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 5.0 (MEDIUM)

CVSSv2 Vector

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

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

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-119

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	w1.fi	wpa_supplicant	1.0	Yes
Application	w1.fi	wpa_supplicant	1.1	Yes
Application	w1.fi	wpa_supplicant	2.0	Yes
Application	w1.fi	wpa_supplicant	2.1	Yes
Application	w1.fi	wpa_supplicant	2.2	Yes
Application	w1.fi	wpa_supplicant	2.3	Yes
Application	w1.fi	wpa_supplicant	2.4	Yes
Application	w1.fi	hostapd	1.0	Yes
Application	w1.fi	hostapd	1.1	Yes
Application	w1.fi	hostapd	2.0	Yes
Application	w1.fi	hostapd	2.1	Yes
Application	w1.fi	hostapd	2.2	Yes
Application	w1.fi	hostapd	2.3	Yes
Application	w1.fi	hostapd	2.4	Yes
Operating System	opensuse	opensuse	13.1	Yes
Operating System	opensuse	opensuse	13.2	Yes

References

http://lists.opensuse.org/opensuse-updates/2015-06/msg00019.html Third Party Advisory ([email protected])
http://w1.fi/security/2015-4/eap-pwd-missing-payload-length-validation.txt Vendor Advisory ([email protected])
http://www.debian.org/security/2015/dsa-3397 ([email protected])
http://www.openwall.com/lists/oss-security/2015/05/09/6 ([email protected])
http://www.openwall.com/lists/oss-security/2015/05/31/6 ([email protected])
http://www.ubuntu.com/usn/USN-2650-1 ([email protected])
https://security.gentoo.org/glsa/201606-17 Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-updates/2015-06/msg00019.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://w1.fi/security/2015-4/eap-pwd-missing-payload-length-validation.txt Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.debian.org/security/2015/dsa-3397 (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2015/05/09/6 (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2015/05/31/6 (af854a3a-2127-422b-91ae-364da2661108)
http://www.ubuntu.com/usn/USN-2650-1 (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/201606-17 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.