CVE-2019-11555

wpa_supplicant: NULL pointer dereference due to improper fragmentation reassembly state validation in EAP-pwd implementation

Published Apr 26, 2019 CVSS 3.0 · 5.9 Medium EPSS 3.3% KEV · Not listed
Description
The EAP-pwd implementation in hostapd (EAP server) before 2.8 and wpa_supplicant (EAP peer) before 2.8 does not validate fragmentation reassembly state properly for a case where an unexpected fragment could be received. This could result in process termination due to a NULL pointer dereference (denial of service). This affects eap_server/eap_server_pwd.c and eap_peer/eap_pwd.c.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source ID Title
Debian DLA Debian DLA DLA-1867-1 wpa security update
Debian DSA Debian DSA DSA-4450-1 wpa security update
EUVD EUVD EUVD-2019-3226 The EAP-pwd implementation in hostapd (EAP server) before 2.8 and wpa_supplicant (EAP peer) before 2.8 does not validate fragmentation reassembly state properly for a case where an unexpected fragment could be received. This could result in process termination due to a NULL pointer dereference (denial of service). This affects eap_server/eap_server_pwd.c and eap_peer/eap_pwd.c.
Ubuntu USN Ubuntu USN USN-3969-1 wpa_supplicant and hostapd vulnerability
Ubuntu USN Ubuntu USN USN-3969-2 wpa_supplicant and hostapd vulnerability
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Aug 4, 2024, 10:55 PM
Reserved
Apr 26, 2019, 12:00 AM
Status
Modified
Published
Apr 26, 2019, 10:29 PM
Modified
Jun 17, 2026, 2:13 AM
Severity
Moderate
Public date
Apr 18, 2019, 12:00 AM