Executive Summary

Summary
Titlehostapd and wpa_supplicant: Denial of Service
Informations
NameGLSA-201908-25First vendor Publication2019-08-18
VendorGentooLast vendor Modification2019-08-18
Severity (Vendor) N/ARevisionN/A

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:M/Au:N/C:N/I:N/A:P)
Cvss Base Score4.3Attack RangeNetwork
Cvss Impact Score2.9Attack ComplexityMedium
Cvss Expoit Score8.6AuthenticationNone Required
Calculate full CVSS 2.0 Vectors scores

Detail

Synopsis

A vulnerability in hostapd and wpa_supplicant could lead to a Denial of Service condition.

Background

wpa_supplicant is a WPA Supplicant with support for WPA and WPA2 (IEEE
802.11i / RSN).

hostapd is a user space daemon for access point and authentication servers.

Description

A vulnerability was discovered in hostapd's and wpa_supplicant's eap_server/eap_server_pwd.c and eap_peer/eap_pwd.c files.

Impact

An attacker could cause a possible Denial of Service condition.

Workaround

There is no known workaround at this time.

Resolution

All hostapd users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-wireless/hostapd-2.8"

All wpa_supplicant users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot -v ">=net-wireless/wpa_supplicant-2.8"

References

[ 1 ] CVE-2019-11555 : https://nvd.nist.gov/vuln/detail/CVE-2019-11555

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website:

https://security.gentoo.org/glsa/201908-25

Original Source

Url : http://security.gentoo.org/glsa/glsa-201908-25.xml

CWE : Common Weakness Enumeration

%idName
100 %CWE-476NULL Pointer Dereference

CPE : Common Platform Enumeration

TypeDescriptionCount
Application47
Application74

Alert History

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0
DateInformations
2019-08-18 05:19:04
  • First insertion