SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2019-11555

This could result in process termination due to a NULL pointer dereference (denial of service).

MEDIUM 5.9EPSS 3.25%

Does this matter?

Lower severity and a low EPSS score (3.25%). Track it; it rarely justifies an emergency change on its own.

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.

CVSS 3.0
5.9 MEDIUMCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
3.25% probability · 88th percentile
CISA KEV
Not listed
Weakness
CWE-476
Affected
w1.fi/hostapd · w1.fi/wpa supplicant
Source
cve@mitre.org

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.