Skip to content
Fencer Intel
medium 5.0

CVE-2015-4143 json

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 servi…

published 11y ago modified 4mo ago also EUVD-2015-4167

cvss
5.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.5%
EPSS 3.5% chance of exploitation in 30 days, percentile 89%
public exploits
0
none known

Summary

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.

Patch / fix

  • wpa Debian 14, Debian 13, Debian 12 2.3-2.2

debian advisories DEBIAN-CVE-2015-4143

  • wpa Ubuntu 14.04 LTS 2.1-0ubuntu1.3

ubuntu advisories UBUNTU-CVE-2015-4143

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • wpa_supplicant SLES for SAP 15, SLES 15-LTSS, SLE Module for Basesystem 15 SP2 +3 more 2.9-4.20.1
  • wpa_supplicant SLES for SAP 12 SP1, SLES 12 SP1, SLED 12 SP1 2.2-14.2

suse advisories SUSE-SU-2020:3380-1SUSE-SU-2016:2305-1

  • hostapd openSUSE Tumbleweed 2.6-1.1
  • wpa_supplicant openSUSE Tumbleweed 2.6-1.1
  • wpa_supplicant openSUSE Leap 15.2 2.9-lp152.8.3.1
  • wpa_supplicant openSUSE Leap 15.1 2.9-lp151.5.10.1

opensuse advisories openSUSE-SU-2024:10022-1openSUSE-SU-2024:10499-1openSUSE-SU-2020:2059-1openSUSE-SU-2020:2053-1

Is CVE-2015-4143 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2015-4143 updated cvss 2.9

hostapd: EAP-pwd missing payload length validation

  • Red Hat Enterprise Linux 5 wpa_supplicant Red Hat Enterprise Linux 6 wpa_supplicant Red Hat Enterprise Linux 7 wpa_supplicant
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

3.50% chance of exploitation in the next 30 days, higher than 89% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.