Vulnerability Details : 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.
Vulnerability category: OverflowDenial of service
Products affected by CVE-2015-4143
- cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:*
- cpe:2.3:a:w1.fi:hostapd:1.0:*:*:*:*:*:*:*
- cpe:2.3:a:w1.fi:hostapd:1.1:*:*:*:*:*:*:*
- cpe:2.3:a:w1.fi:hostapd:2.2:*:*:*:*:*:*:*
- cpe:2.3:a:w1.fi:hostapd:2.0:*:*:*:*:*:*:*
- cpe:2.3:a:w1.fi:hostapd:2.1:*:*:*:*:*:*:*
- cpe:2.3:a:w1.fi:hostapd:2.3:*:*:*:*:*:*:*
- cpe:2.3:a:w1.fi:hostapd:2.4:*:*:*:*:*:*:*
- cpe:2.3:a:w1.fi:wpa_supplicant:2.0:*:*:*:*:*:*:*
- cpe:2.3:a:w1.fi:wpa_supplicant:2.1:*:*:*:*:*:*:*
- cpe:2.3:a:w1.fi:wpa_supplicant:2.2:*:*:*:*:*:*:*
- cpe:2.3:a:w1.fi:wpa_supplicant:1.0:*:*:*:*:*:*:*
- cpe:2.3:a:w1.fi:wpa_supplicant:1.1:*:*:*:*:*:*:*
- cpe:2.3:a:w1.fi:wpa_supplicant:2.3:*:*:*:*:*:*:*
- cpe:2.3:a:w1.fi:wpa_supplicant:2.4:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2015-4143
2.39%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 90 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2015-4143
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST |
CWE ids for CVE-2015-4143
-
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.Assigned by: nvd@nist.gov (Primary)
References for CVE-2015-4143
-
http://www.debian.org/security/2015/dsa-3397
Debian -- Security Information -- DSA-3397-1 wpa
-
https://security.gentoo.org/glsa/201606-17
hostapd and wpa_supplicant: Multiple vulnerabilities (GLSA 201606-17) — Gentoo securityThird Party Advisory
-
http://www.openwall.com/lists/oss-security/2015/05/31/6
oss-security - Re: CVE request: vulnerability in wpa_supplicant and hostapd
-
http://www.openwall.com/lists/oss-security/2015/05/09/6
oss-security - Re: CVE request: vulnerability in wpa_supplicant and hostapd
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http://w1.fi/security/2015-4/eap-pwd-missing-payload-length-validation.txt
Vendor Advisory
-
http://lists.opensuse.org/opensuse-updates/2015-06/msg00019.html
openSUSE-SU-2015:1030-1: moderate: Recommended update for wpa_supplicantThird Party Advisory
-
http://www.ubuntu.com/usn/USN-2650-1
USN-2650-1: wpa_supplicant and hostapd vulnerabilities | Ubuntu security notices
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