CVE-2015-4143

The EAP-pwd server and peer implementation in hostapd and wpa_supplicant 1.0 through 2.4 allows...

5.0 MediumFix available

CVE-2015-4143 is a medium vulnerability (CVSS 5.0) in W1.fi Hostapd, published June 1, 2015. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.50%, the 89th percentile. Fixed in wpa 2.3-2.2.

What does this mean?

Severity: 5.0 MediumCVSS 2.0, NVD
Exploit chance: 3.50%EPSS, 89th percentile
Exploitation: None knownNot on CISA’s or ENISA’s lists
Fixed in: 2.3-2.2wpa +19 more

Description

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.

Exploit likelihood

3.50%Up 2.2 points since Feb 4, 2022

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`wpa` Debian:12	before 2.3-2.2	2.3-2.2
`wpa` Debian:13	before 2.3-2.2	2.3-2.2
`wpa` Debian:14	before 2.3-2.2	2.3-2.2
`wpa` Debian:7 From an advisory covering 11 CVEs	before 1.0-3+deb7u3, plus listed versions 1.0-31.0-3+deb7u11.0-3+deb7u2	1.0-3+deb7u3
`wpa` Debian:8 From an advisory covering 11 CVEs	before 2.3-1+deb8u3, plus listed versions 2.3-12.3-1+deb8u12.3-1+deb8u2	2.3-1+deb8u3
`wpa_supplicant` SUSE:Linux Enterprise Desktop 12 SP1 From an advisory covering 5 CVEs	before 2.2-14.2	2.2-14.2
`wpa_supplicant` SUSE:Linux Enterprise Server 12 SP1 From an advisory covering 5 CVEs	before 2.2-14.2	2.2-14.2
`wpa_supplicant` SUSE:Linux Enterprise Server for SAP Applications 12 SP1 From an advisory covering 5 CVEs	before 2.2-14.2	2.2-14.2
`wpa_supplicant` SUSE:Linux Enterprise Module for Basesystem 15 SP1 From an advisory covering 22 CVEs	before 2.9-4.20.1	2.9-4.20.1
`wpa_supplicant` SUSE:Linux Enterprise Module for Basesystem 15 SP2 From an advisory covering 22 CVEs	before 2.9-4.20.1	2.9-4.20.1

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Affected packages
Package	Affected	Fixed
`wpa_supplicant` SUSE:Linux Enterprise High Performance Computing 15-ESPOS From an advisory covering 22 CVEs	before 2.9-4.20.1	2.9-4.20.1
`wpa_supplicant` SUSE:Linux Enterprise High Performance Computing 15-LTSS From an advisory covering 22 CVEs	before 2.9-4.20.1	2.9-4.20.1
`wpa_supplicant` SUSE:Linux Enterprise Server 15-LTSS From an advisory covering 22 CVEs	before 2.9-4.20.1	2.9-4.20.1
`wpa_supplicant` SUSE:Linux Enterprise Server for SAP Applications 15 From an advisory covering 22 CVEs	before 2.9-4.20.1	2.9-4.20.1
`wpa` Ubuntu:14.04:LTS	before 2.1-0ubuntu1.3, plus listed versions 1.0-3ubuntu21.0-3ubuntu31.0-3ubuntu42.1-0ubuntu12.1-0ubuntu1.12.1-0ubuntu1.2	2.1-0ubuntu1.3
`wpa` Ubuntu:14.04:LTS From an advisory covering 6 CVEs	before 2.1-0ubuntu1.3, plus listed versions 1.0-3ubuntu21.0-3ubuntu31.0-3ubuntu42.1-0ubuntu12.1-0ubuntu1.12.1-0ubuntu1.2	2.1-0ubuntu1.3
`wpa_supplicant` openSUSE:Leap 15.1 From an advisory covering 22 CVEs	before 2.9-lp151.5.10.1	2.9-lp151.5.10.1
`wpa_supplicant` openSUSE:Leap 15.2 From an advisory covering 22 CVEs	before 2.9-lp152.8.3.1	2.9-lp152.8.3.1
`hostapd` openSUSE:Tumbleweed From an advisory covering 9 CVEs	before 2.6-1.1	2.6-1.1
`wpa_supplicant` openSUSE:Tumbleweed From an advisory covering 13 CVEs	before 2.6-1.1	2.6-1.1

What each source reports

NVD Score used5.0

Record: CVE-2015-4143
CVSS 2.0: 5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness: CWE-119
Updated: 2026-11-02

CVE ListNo score

Record: CVE-2015-4143
Updated: 2026-11-02

EUVDEUVD-2015-4167No score

Record: EUVD-2015-4167
Updated: 2026-11-03

GitHub AdvisoriesGHSA-jrqr-5j62-r5j7No score

The EAP-pwd server and peer implementation in hostapd and wpa_supplicant 1.0 through 2.4 allows...

Record: GHSA-jrqr-5j62-r5j7
Weakness: CWE-119
Updated: 2026-11-02

OSVNo score

Record: CVE-2015-4143
Updated: 2026-11-02

OSVDEBIAN-CVE-2015-4143No score

Record: DEBIAN-CVE-2015-4143
Updated: 2026-11-02

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OSVopenSUSE-SU-2020:2053-1No score

Security update for wpa_supplicant

This update for wpa_supplicant fixes the following issues:

Security issue fixed:

CVE-2019-16275: Fixed an AP mode PMF disconnection protection bypass (bsc#1150934).

Non-security issues fixed:

Enable SAE support (jsc#SLE-14992).
Limit P2P_DEVICE name to appropriate ifname size.
Fix wicked wlan (bsc#1156920)
Restore fi.epitest.hostap.WPASupplicant.service (bsc#1167331)
With v2.9 fi.epitest.hostap.WPASupplicant.service is obsolete (bsc#1167331)
Fix WLAN config on boot with wicked. (bsc#1166933)
Update to 2.9 release:
- SAE changes
  - disable use of groups using Brainpool curves
  - improved protection against side channel attacks [https://w1.fi/security/2019-6/]
- EAP-pwd changes
  - disable use of groups using Brainpool curves
  - allow the set of groups to be configured (eap_pwd_groups)
  - improved protection against side channel attacks [https://w1.fi/security/2019-6/]
- fixed FT-EAP initial mobility domain association using PMKSA caching (disabled by default for backwards compatibility; can be enabled with ft_eap_pmksa_caching=1)
- fixed a regression in OpenSSL 1.1+ engine loading
- added validation of RSNE in (Re)Association Response frames
- fixed DPP bootstrapping URI parser of channel list
- extended EAP-SIM/AKA fast re-authentication to allow use with FILS
- extended ca_cert_blob to support PEM format
- improved robustness of P2P Action frame scheduling
- added support for EAP-SIM/AKA using anonymous@realm identity
- fixed Hotspot 2.0 credential selection based on roaming consortium to ignore credentials without a specific EAP method
- added experimental support for EAP-TEAP peer (RFC 7170)
- added experimental support for EAP-TLS peer with TLS v1.3
- fixed a regression in WMM parameter configuration for a TDLS peer
- fixed a regression in operation with drivers that offload 802.1X 4-way handshake
- fixed an ECDH operation corner case with OpenSSL
- SAE changes
  - added support for SAE Password Identifier
  - changed default configuration to enable only groups 19, 20, 21 (i.e., disable groups 25 and 26) and disable all unsuitable groups completely based on REVmd changes
  - do not regenerate PWE unnecessarily when the AP uses the anti-clogging token mechanisms
  - fixed some association cases where both SAE and FT-SAE were enabled on both the station and the selected AP
  - started to prefer FT-SAE over SAE AKM if both are enabled
  - started to prefer FT-SAE over FT-PSK if both are enabled
  - fixed FT-SAE when SAE PMKSA caching is used
  - reject use of unsuitable groups based on new implementation guidance in REVmd (allow only FFC groups with prime >= 3072 bits and ECC groups with prime >= 256)
  - minimize timing and memory use differences in PWE derivation [https://w1.fi/security/2019-1/] (CVE-2019-9494, bsc#1131868)
- EAP-pwd changes
  - minimize timing and memory use differences in PWE derivation [https://w1.fi/security/2019-2/] (CVE-2019-9495, bsc#1131870)
  - verify server scalar/element [https://w1.fi/security/2019-4/] (CVE-2019-9497, CVE-2019-9498, CVE-2019-9499, bsc#1131874, bsc#1131872, bsc#1131871, bsc#1131644)
  - fix message reassembly issue with unexpected fragment [https://w1.fi/security/2019-5/] (CVE-2019-11555, bsc#1133640)
  - enforce rand,mask generation rules more strictly
  - fix a memory leak in PWE derivation
  - disallow ECC groups with a prime under 256 bits (groups 25, 26, and
  - SAE/EAP-pwd side-channel attack update [https://w1.fi/security/2019-6/] (CVE-2019-13377, bsc#1144443)
- fixed CONFIG_IEEE80211R=y (FT) build without CONFIG_FILS=y
- Hotspot 2.0 changes
  - do not indicate release number that is higher than the one AP supports
  - added support for release number 3
  - enable PMF automatically for…

Record: openSUSE-SU-2020:2053-1
Updated: 2026-11-02

OSVopenSUSE-SU-2020:2059-1No score

Security update for wpa_supplicant

This update for wpa_supplicant fixes the following issues:

Security issue fixed:

CVE-2019-16275: Fixed an AP mode PMF disconnection protection bypass (bsc#1150934).

Non-security issues fixed:

Enable SAE support (jsc#SLE-14992).
Limit P2P_DEVICE name to appropriate ifname size.
Fix wicked wlan (bsc#1156920)
Restore fi.epitest.hostap.WPASupplicant.service (bsc#1167331)
With v2.9 fi.epitest.hostap.WPASupplicant.service is obsolete (bsc#1167331)
Fix WLAN config on boot with wicked. (bsc#1166933)
Update to 2.9 release:
- SAE changes
  - disable use of groups using Brainpool curves
  - improved protection against side channel attacks [https://w1.fi/security/2019-6/]
- EAP-pwd changes
  - disable use of groups using Brainpool curves
  - allow the set of groups to be configured (eap_pwd_groups)
  - improved protection against side channel attacks [https://w1.fi/security/2019-6/]
- fixed FT-EAP initial mobility domain association using PMKSA caching (disabled by default for backwards compatibility; can be enabled with ft_eap_pmksa_caching=1)
- fixed a regression in OpenSSL 1.1+ engine loading
- added validation of RSNE in (Re)Association Response frames
- fixed DPP bootstrapping URI parser of channel list
- extended EAP-SIM/AKA fast re-authentication to allow use with FILS
- extended ca_cert_blob to support PEM format
- improved robustness of P2P Action frame scheduling
- added support for EAP-SIM/AKA using anonymous@realm identity
- fixed Hotspot 2.0 credential selection based on roaming consortium to ignore credentials without a specific EAP method
- added experimental support for EAP-TEAP peer (RFC 7170)
- added experimental support for EAP-TLS peer with TLS v1.3
- fixed a regression in WMM parameter configuration for a TDLS peer
- fixed a regression in operation with drivers that offload 802.1X 4-way handshake
- fixed an ECDH operation corner case with OpenSSL
- SAE changes
  - added support for SAE Password Identifier
  - changed default configuration to enable only groups 19, 20, 21 (i.e., disable groups 25 and 26) and disable all unsuitable groups completely based on REVmd changes
  - do not regenerate PWE unnecessarily when the AP uses the anti-clogging token mechanisms
  - fixed some association cases where both SAE and FT-SAE were enabled on both the station and the selected AP
  - started to prefer FT-SAE over SAE AKM if both are enabled
  - started to prefer FT-SAE over FT-PSK if both are enabled
  - fixed FT-SAE when SAE PMKSA caching is used
  - reject use of unsuitable groups based on new implementation guidance in REVmd (allow only FFC groups with prime >= 3072 bits and ECC groups with prime >= 256)
  - minimize timing and memory use differences in PWE derivation [https://w1.fi/security/2019-1/] (CVE-2019-9494, bsc#1131868)
- EAP-pwd changes
  - minimize timing and memory use differences in PWE derivation [https://w1.fi/security/2019-2/] (CVE-2019-9495, bsc#1131870)
  - verify server scalar/element [https://w1.fi/security/2019-4/] (CVE-2019-9497, CVE-2019-9498, CVE-2019-9499, bsc#1131874, bsc#1131872, bsc#1131871, bsc#1131644)
  - fix message reassembly issue with unexpected fragment [https://w1.fi/security/2019-5/] (CVE-2019-11555, bsc#1133640)
  - enforce rand,mask generation rules more strictly
  - fix a memory leak in PWE derivation
  - disallow ECC groups with a prime under 256 bits (groups 25, 26, and
  - SAE/EAP-pwd side-channel attack update [https://w1.fi/security/2019-6/] (CVE-2019-13377, bsc#1144443)
- fixed CONFIG_IEEE80211R=y (FT) build without CONFIG_FILS=y
- Hotspot 2.0 changes
  - do not indicate release number that is higher than the one AP supports
  - added support for release number 3
  - enable PMF automatically for…

Record: openSUSE-SU-2020:2059-1
Updated: 2026-11-02

OSVopenSUSE-SU-2024:10022-1No score

hostapd-2.6-1.1 on GA media

These are all security issues fixed in the hostapd-2.6-1.1 package on the GA media of openSUSE Tumbleweed.

Record: openSUSE-SU-2024:10022-1
Updated: 2026-11-02

OSVopenSUSE-SU-2024:10499-1No score

wpa_supplicant-2.6-1.1 on GA media

These are all security issues fixed in the wpa_supplicant-2.6-1.1 package on the GA media of openSUSE Tumbleweed.

Record: openSUSE-SU-2024:10499-1
Updated: 2026-11-02

OSVSUSE-SU-2016:2305-1No score

Security update for wpa_supplicant

This update for wpa_supplicant fixes the following issues:

CVE-2015-4141: WPS UPnP vulnerability with HTTP chunked transfer encoding. (bnc#930077)
CVE-2015-4142: Integer underflow in AP mode WMM Action frame processing. (bnc#930078)
CVE-2015-4143: EAP-pwd missing payload length validation. (bnc#930079)
CVE-2015-5310: Ignore Key Data in WNM Sleep Mode Response frame if no PMF in use. (bsc#952254)
CVE-2015-8041: Fix payload length validation in NDEF record parser. (bsc#937419)

Record: SUSE-SU-2016:2305-1
Updated: 2026-11-02

OSVSUSE-SU-2020:3380-1No score

Security update for wpa_supplicant

This update for wpa_supplicant fixes the following issues:

Security issue fixed:

CVE-2019-16275: Fixed an AP mode PMF disconnection protection bypass (bsc#1150934).

Non-security issues fixed:

Enable SAE support (jsc#SLE-14992).
Limit P2P_DEVICE name to appropriate ifname size.
Fix wicked wlan (bsc#1156920)
Restore fi.epitest.hostap.WPASupplicant.service (bsc#1167331)
With v2.9 fi.epitest.hostap.WPASupplicant.service is obsolete (bsc#1167331)
Fix WLAN config on boot with wicked. (bsc#1166933)
Update to 2.9 release:
- SAE changes
  - disable use of groups using Brainpool curves
  - improved protection against side channel attacks [https://w1.fi/security/2019-6/]
- EAP-pwd changes
  - disable use of groups using Brainpool curves
  - allow the set of groups to be configured (eap_pwd_groups)
  - improved protection against side channel attacks [https://w1.fi/security/2019-6/]
- fixed FT-EAP initial mobility domain association using PMKSA caching (disabled by default for backwards compatibility; can be enabled with ft_eap_pmksa_caching=1)
- fixed a regression in OpenSSL 1.1+ engine loading
- added validation of RSNE in (Re)Association Response frames
- fixed DPP bootstrapping URI parser of channel list
- extended EAP-SIM/AKA fast re-authentication to allow use with FILS
- extended ca_cert_blob to support PEM format
- improved robustness of P2P Action frame scheduling
- added support for EAP-SIM/AKA using anonymous@realm identity
- fixed Hotspot 2.0 credential selection based on roaming consortium to ignore credentials without a specific EAP method
- added experimental support for EAP-TEAP peer (RFC 7170)
- added experimental support for EAP-TLS peer with TLS v1.3
- fixed a regression in WMM parameter configuration for a TDLS peer
- fixed a regression in operation with drivers that offload 802.1X 4-way handshake
- fixed an ECDH operation corner case with OpenSSL
- SAE changes
  - added support for SAE Password Identifier
  - changed default configuration to enable only groups 19, 20, 21 (i.e., disable groups 25 and 26) and disable all unsuitable groups completely based on REVmd changes
  - do not regenerate PWE unnecessarily when the AP uses the anti-clogging token mechanisms
  - fixed some association cases where both SAE and FT-SAE were enabled on both the station and the selected AP
  - started to prefer FT-SAE over SAE AKM if both are enabled
  - started to prefer FT-SAE over FT-PSK if both are enabled
  - fixed FT-SAE when SAE PMKSA caching is used
  - reject use of unsuitable groups based on new implementation guidance in REVmd (allow only FFC groups with prime >= 3072 bits and ECC groups with prime >= 256)
  - minimize timing and memory use differences in PWE derivation [https://w1.fi/security/2019-1/] (CVE-2019-9494, bsc#1131868)
- EAP-pwd changes
  - minimize timing and memory use differences in PWE derivation [https://w1.fi/security/2019-2/] (CVE-2019-9495, bsc#1131870)
  - verify server scalar/element [https://w1.fi/security/2019-4/] (CVE-2019-9497, CVE-2019-9498, CVE-2019-9499, bsc#1131874, bsc#1131872, bsc#1131871, bsc#1131644)
  - fix message reassembly issue with unexpected fragment [https://w1.fi/security/2019-5/] (CVE-2019-11555, bsc#1133640)
  - enforce rand,mask generation rules more strictly
  - fix a memory leak in PWE derivation
  - disallow ECC groups with a prime under 256 bits (groups 25, 26, and
  - SAE/EAP-pwd side-channel attack update [https://w1.fi/security/2019-6/] (CVE-2019-13377, bsc#1144443)
- fixed CONFIG_IEEE80211R=y (FT) build without CONFIG_FILS=y
- Hotspot 2.0 changes
  - do not indicate release number that is higher than the one AP supports
  - added support for release number 3
  - enable PMF automatically for…

Record: SUSE-SU-2020:3380-1
Updated: 2026-11-02

OSVUBUNTU-CVE-2015-4143No score

Record: UBUNTU-CVE-2015-4143
Updated: 2026-11-02

OSVUSN-2650-1No score

wpa, wpasupplicant vulnerabilities

Kostya Kortchinsky discovered multiple flaws in wpa_supplicant and hostapd. A remote attacker could use these issues to cause wpa_supplicant or hostapd to crash, resulting in a denial of service. (CVE-2015-4141, CVE-2015-4142, CVE-2015-4143, CVE-2015-4144, CVE-2015-4145, CVE-2015-4146)

Record: USN-2650-1
Updated: 2026-11-02

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

References

Show 70 moreShow less

This page doesn't list everything

Left out here: the rest of 3 source descriptions. The JSON record has them.