Vulnerability CVE-2016-4476

Vulnerability Name:

CVE-2016-4476 (CCN-112894)

Assigned:

2016-05-03

Published:

2016-05-03

Updated:

2020-08-12

Summary:

hostapd 0.6.7 through 2.5 and wpa_supplicant 0.6.7 through 2.5 do not reject \n and \r characters in passphrase parameters, which allows remote attackers to cause a denial of service (daemon outage) via a crafted WPS operation.

CVSS v3 Severity:

7.5 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.6 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:U/RC:R)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): High

4.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)
3.8 Low (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:U/RC:R)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): Required
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Low

CVSS v2 Severity:

5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Authentication (Au): None
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Partial

4.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:N/I:N/A:P)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Athentication (Au): Single_Instance
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Partial

Vulnerability Type:

CWE-20

Vulnerability Consequences:

Denial of Service

References:

Source: MITRE
Type: CNA
CVE-2016-4476

Source: CCN
Type: oss-sec Mailing List, Tue, 3 May 2016 01:29:28 -0400 (EDT)
Re: hostapd/wpa_supplicant - psk configuration parameter update allowing arbitrary data to be written

Source: CCN
Type: W1.Fi Web site
hostapd and wpa_supplicant

Source: MLIST
Type: Mailing List, Third Party Advisory
[oss-security] 20160503 Re: hostapd/wpa_supplicant - psk configuration parameter update allowing arbitrary data to be written

Source: UBUNTU
Type: Third Party Advisory
USN-3455-1

Source: XF
Type: UNKNOWN
wpasupplicant-cve20164476-dos(112894)

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2016-4476

Vulnerable Configuration:

Configuration 1:

cpe:/a:w1.fi:hostapd:*:*:*:*:*:*:*:* (Version >= 0.6.7 and <= 2.5)

OR cpe:/a:w1.fi:wpa_supplicant:*:*:*:*:*:*:*:* (Version >= 0.6.7 and <= 2.5)

Configuration 2:

cpe:/o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*

OR cpe:/o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*

OR cpe:/o:canonical:ubuntu_linux:17.04:*:*:*:*:*:*:*

Configuration CCN 1:

cpe:/a:w1.fi:wpa_supplicant:2.5:*:*:*:*:*:*:*

OR cpe:/a:w1.fi:hostapd:2.5:*:*:*:*:*:*:*

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:org.opensuse.security:def:20164476	V	CVE-2016-4476	2023-06-22
oval:org.opensuse.security:def:7703	P	libxslt-devel-1.1.34-150400.3.3.1 on GA media (Moderate)	2023-06-12
oval:org.opensuse.security:def:7829	P	wpa_supplicant-2.10-150500.1.3 on GA media (Moderate)	2023-06-12
oval:org.opensuse.security:def:7681	P	libtidy5-5.4.0-3.2.1 on GA media (Moderate)	2023-06-12
oval:org.opensuse.security:def:587	P	Security update for nodejs16 (Important)	2022-07-21
oval:org.opensuse.security:def:3398	P	wpa_supplicant-2.6-15.10.1 on GA media (Moderate)	2022-06-28
oval:org.opensuse.security:def:3820	P	wpa_supplicant-2.6-15.10.1 on GA media (Moderate)	2022-06-28
oval:org.opensuse.security:def:3222	P	libopenssl-devel-1.0.2p-1.13 on GA media (Moderate)	2022-06-28
oval:org.opensuse.security:def:94852	P	wpa_supplicant-2.9-4.33.1 on GA media (Moderate)	2022-06-22
oval:org.opensuse.security:def:914	P	Security update for webkit2gtk3 (Important)	2022-06-14
oval:org.opensuse.security:def:333	P	wpa_supplicant-2.9-4.29.1 on GA media (Moderate)	2022-06-13
oval:org.opensuse.security:def:291	P	python3-salt-3002.2-6.1 on GA media (Moderate)	2022-06-13
oval:org.opensuse.security:def:386	P	wpa_supplicant-2.9-4.33.1 on GA media (Moderate)	2022-06-10
oval:org.opensuse.security:def:112403	P	hostapd-2.6-1.1 on GA media (Moderate)	2022-01-17
oval:org.opensuse.security:def:113586	P	wpa_supplicant-2.6-1.1 on GA media (Moderate)	2022-01-17
oval:org.opensuse.security:def:8726	P	Security update for apache2 (Important) (in QA)	2022-01-10
oval:org.opensuse.security:def:8883	P	Security update for log4j (Important)	2021-12-17
oval:org.opensuse.security:def:7012	P	Security update for the Linux Kernel (Live Patch 20 for SLE 15 SP1) (Important)	2021-12-14
oval:org.opensuse.security:def:6722	P	Security update for the Linux Kernel (Important)	2021-12-07
oval:org.opensuse.security:def:49301	P	Security update for python-Pygments (Important)	2021-11-29
oval:org.opensuse.security:def:100683	P	(Important)	2021-11-22
oval:org.opensuse.security:def:8864	P	Security update for samba (Important)	2021-11-16
oval:org.opensuse.security:def:8849	P	Security update for strongswan (Moderate)	2021-10-19
oval:org.opensuse.security:def:6979	P	Security update for the Linux Kernel (Live Patch 16 for SLE 15 SP1) (Important)	2021-10-14
oval:org.opensuse.security:def:106972	P	wpa_supplicant-2.6-1.1 on GA media (Moderate)	2021-10-01
oval:org.opensuse.security:def:105912	P	hostapd-2.6-1.1 on GA media (Moderate)	2021-10-01
oval:org.opensuse.security:def:103486	P	wpa_supplicant-2.6-4.11.1 on GA media (Moderate)	2021-09-21
oval:org.opensuse.security:def:61676	P	wpa_supplicant-2.6-4.11.1 on GA media (Moderate)	2021-09-21
oval:org.opensuse.security:def:71187	P	gdk-pixbuf-devel-2.36.11-3.19 on GA media (Moderate)	2021-09-21
oval:org.opensuse.security:def:96796	P	wpa_supplicant-2.6-4.11.1 on GA media (Moderate)	2021-09-21
oval:org.opensuse.security:def:71417	P	wpa_supplicant-2.6-4.11.1 on GA media (Moderate)	2021-09-21
oval:org.opensuse.security:def:89831	P	wpa_supplicant-2.6-4.11.1 on GA media (Moderate)	2021-09-21
oval:org.opensuse.security:def:1262	P	Security update for the Linux Kernel (Live Patch 0 for SLE 15 SP3) (Important)	2021-09-16
oval:org.opensuse.security:def:9034	P	Security update for openssl-1_1 (Low)	2021-09-07
oval:org.opensuse.security:def:9025	P	Security update for openssl-1_1 (Important)	2021-08-24
oval:org.opensuse.security:def:9016	P	Security update for nodejs8 (Important)	2021-08-20
oval:org.opensuse.security:def:93970	P	(Important)	2021-08-17
oval:org.opensuse.security:def:6954	P	Security update for the Linux Kernel (Live Patch 18 for SLE 15 SP1) (Important)	2021-08-17
oval:org.opensuse.security:def:47273	P	gpgme-1.5.1-1.11 on GA media (Moderate)	2021-08-16
oval:org.opensuse.security:def:47873	P	qemu-2.11.2-4.14 on GA media (Moderate)	2021-08-16
oval:org.opensuse.security:def:47123	P	perl-Config-IniFiles-2.82-3.12 on GA media (Moderate)	2021-08-16
oval:org.opensuse.security:def:47809	P	libvte9-0.28.2-19.7 on GA media (Moderate)	2021-08-16
oval:org.opensuse.security:def:48265	P	perl-DBD-mysql-4.021-12.5.2 on GA media (Moderate)	2021-08-16
oval:org.opensuse.security:def:46948	P	ghostscript-9.15-6.5 on GA media (Moderate)	2021-08-16
oval:org.opensuse.security:def:47727	P	libjbig2-2.0-12.13 on GA media (Moderate)	2021-08-16
oval:org.opensuse.security:def:48040	P	gzip-1.10-2.12 on GA media (Moderate)	2021-08-16
oval:org.opensuse.security:def:47569	P	busybox-1.21.1-3.3 on GA media (Moderate)	2021-08-16
oval:org.opensuse.security:def:48169	P	libpcre1-32bit-8.39-8.3.1 on GA media (Moderate)	2021-08-16
oval:org.opensuse.security:def:47365	P	libjson-c2-0.11-2.15 on GA media (Moderate)	2021-08-16
oval:org.opensuse.security:def:47938	P	ImageMagick-config-6-SUSE-6.8.8.1-71.126.1 on GA media (Moderate)	2021-08-16
oval:org.opensuse.security:def:47244	P	dracut-044-113.10 on GA media (Moderate)	2021-08-16
oval:org.opensuse.security:def:48023	P	gnome-settings-daemon-3.20.1-50.16.1 on GA media (Moderate)	2021-08-16
oval:org.opensuse.security:def:48339	P	wpa_supplicant-2.6-15.10.1 on GA media (Moderate)	2021-08-16
oval:org.opensuse.security:def:48336	P	vsftpd-3.0.2-40.11.1 on GA media (Moderate)	2021-08-16
oval:org.opensuse.security:def:47141	P	qemu-2.6.1-27.15 on GA media (Moderate)	2021-08-16
oval:org.opensuse.security:def:47811	P	libwireshark9-2.4.9-48.29.1 on GA media (Moderate)	2021-08-16
oval:org.opensuse.security:def:47109	P	opensc-0.13.0-1.107 on GA media (Moderate)	2021-08-16
oval:org.opensuse.security:def:47661	P	lftp-4.7.4-3.3.20 on GA media (Moderate)	2021-08-16
oval:org.opensuse.security:def:48234	P	libzypp-16.20.0-2.39.4 on GA media (Moderate)	2021-08-16
oval:org.opensuse.security:def:47108	P	ntp-4.2.8p8-14.1 on GA media (Moderate)	2021-08-16
oval:org.opensuse.security:def:47513	P	tar-1.27.1-14.1 on GA media (Moderate)	2021-08-16
oval:org.opensuse.security:def:15219	P	wpa_supplicant-2.6-15.10.1 on GA media (Moderate)	2021-08-16
oval:org.opensuse.security:def:47969	P	ceph-common-12.2.12+git.1568024032.02236657ca-2.39.1 on GA media (Moderate)	2021-08-16
oval:org.opensuse.security:def:47437	P	libyaml-0-2-0.1.6-7.1 on GA media (Moderate)	2021-08-16
oval:org.opensuse.security:def:48107	P	libevent-2_0-5-2.0.21-6.3.1 on GA media (Moderate)	2021-08-16
oval:org.opensuse.security:def:101109	P	wpa_supplicant-2.9-4.29.1 on GA media (Moderate)	2021-08-09
oval:org.opensuse.security:def:72092	P	wpa_supplicant-2.9-4.29.1 on GA media (Moderate)	2021-08-09
oval:org.opensuse.security:def:62351	P	wpa_supplicant-2.9-4.29.1 on GA media (Moderate)	2021-08-09
oval:org.opensuse.security:def:69901	P	Security update for nodejs8 (Important)	2021-08-05
oval:org.opensuse.security:def:8983	P	Security update for xterm (Important)	2021-06-18
oval:org.opensuse.security:def:46813	P	perl-Config-IniFiles-2.82-3.14 on GA media (Moderate)	2021-06-08
oval:org.opensuse.security:def:71121	P	wpa_supplicant-2.6-2.50 on GA media (Moderate)	2021-06-08
oval:org.opensuse.security:def:48678	P	kernel-default-extra-3.12.28-4.6 on GA media (Moderate)	2021-06-08
oval:org.opensuse.security:def:46812	P	perl-32bit-5.18.2-3.7 on GA media (Moderate)	2021-06-08
oval:org.opensuse.security:def:46827	P	python-imaging-1.1.7-21.15 on GA media (Moderate)	2021-06-08
oval:org.opensuse.security:def:61380	P	wpa_supplicant-2.6-2.50 on GA media (Moderate)	2021-06-08
oval:org.opensuse.security:def:71074	P	perl-XML-LibXML-2.0132-1.20 on GA media (Moderate)	2021-06-08
oval:org.opensuse.security:def:48732	P	libfbembed2_5-2.5.2.26539-13.42 on GA media (Moderate)	2021-06-08
oval:org.opensuse.security:def:8958	P	Security update for curl (Moderate)	2021-05-31
oval:org.opensuse.security:def:9707	P	Security update for the Linux Kernel (Important)	2021-05-18
oval:org.opensuse.security:def:64487	P	Security update for bind (Important)	2021-05-04
oval:org.opensuse.security:def:9685	P	Security update for umoci (Important)	2021-04-09
oval:org.opensuse.security:def:8734	P	Security update for fwupdate (Important)	2021-04-08
oval:org.opensuse.security:def:70006	P	Security update for glib2 (Important)	2021-03-19
oval:org.opensuse.security:def:6730	P	Security update for the Linux Kernel (Live Patch 21 for SLE 15) (Important)	2021-03-17
oval:org.opensuse.security:def:7021	P	Security update for the Linux Kernel (Live Patch 16 for SLE 15 SP1) (Important)	2021-03-17
oval:org.opensuse.security:def:9047	P	Security update for java-11-openjdk (Important)	2021-02-09
oval:org.opensuse.security:def:8802	P	Security update for nodejs8 (Moderate)	2021-01-26
oval:org.opensuse.security:def:8756	P	Security update for tcmu-runner (Important)	2021-01-18
oval:org.opensuse.security:def:6879	P	Security update for the Linux Kernel (Important)	2021-01-14
oval:org.opensuse.security:def:6845	P	Security update for the Linux Kernel (Live Patch 12 for SLE 15 SP1) (Important)	2020-12-07
oval:org.opensuse.security:def:67734	P	Security update for the Linux Kernel (Live Patch 19 for SLE 15) (Important)	2020-12-07
oval:org.opensuse.security:def:71744	P	wpa_supplicant-2.6-4.17.1 on GA media (Moderate)	2020-12-03
oval:org.opensuse.security:def:49028	P	libplist++3-1.12-20.3.2 on GA media (Moderate)	2020-12-03
oval:org.opensuse.security:def:107349	P	wpa_supplicant-2.6-4.17.1 on GA media (Moderate)	2020-12-03
oval:org.opensuse.security:def:62003	P	wpa_supplicant-2.6-4.17.1 on GA media (Moderate)	2020-12-03
oval:org.opensuse.security:def:13211	P	wpa_supplicant-2.6-15.10.1 on GA media (Moderate)	2020-12-03
oval:org.opensuse.security:def:116907	P	wpa_supplicant-2.6-4.17.1 on GA media (Moderate)	2020-12-03
oval:org.opensuse.security:def:48974	P	argyllcms-1.6.3-3.3 on GA media (Moderate)	2020-12-03
oval:org.opensuse.security:def:37616	P	logrotate on GA media (Moderate)	2020-12-01
oval:org.opensuse.security:def:37835	P	krb5-appl-clients on GA media (Moderate)	2020-12-01
oval:org.opensuse.security:def:7030	P	libdmx1 on GA media (Moderate)	2020-12-01
oval:org.opensuse.security:def:66650	P	wpa_supplicant on GA media (Moderate)	2020-12-01
oval:org.opensuse.security:def:36977	P	openslp on GA media (Moderate)	2020-12-01
oval:org.opensuse.security:def:73223	P	libspice-client-glib-2_0-8 on GA media (Moderate)	2020-12-01
oval:org.opensuse.security:def:37366	P	yast2 on GA media (Moderate)	2020-12-01
oval:org.opensuse.security:def:37763	P	curl on GA media (Moderate)	2020-12-01
oval:org.opensuse.security:def:38473	P	rsync on GA media (Moderate)	2020-12-01
oval:org.opensuse.security:def:36976	P	opensc on GA media (Moderate)	2020-12-01
oval:org.opensuse.security:def:67834	P	wpa_supplicant on GA media (Moderate)	2020-12-01
oval:org.opensuse.security:def:37208	P	libipa_hbac0 on GA media (Moderate)	2020-12-01
oval:org.opensuse.security:def:6752	P	libreoffice on GA media (Moderate)	2020-12-01
oval:org.opensuse.security:def:37675	P	sblim-sfcb on GA media (Moderate)	2020-12-01
oval:org.opensuse.security:def:64400	P	libvorbis-devel on GA media (Moderate)	2020-12-01
oval:org.opensuse.security:def:7043	P	libgnomesu on GA media (Moderate)	2020-12-01
oval:org.opensuse.security:def:49355	P	wpa_supplicant on GA media (Moderate)	2020-12-01
oval:org.opensuse.security:def:36988	P	pcsc-ccid on GA media (Moderate)	2020-12-01
oval:org.opensuse.security:def:37456	P	gtk2-data on GA media (Moderate)	2020-12-01
oval:org.opensuse.security:def:6860	P	vorbis-tools on GA media (Moderate)	2020-12-01
oval:org.opensuse.security:def:37791	P	gdk-pixbuf-lang on GA media (Moderate)	2020-12-01
oval:org.opensuse.security:def:38515	P	wpa_supplicant on GA media (Moderate)	2020-12-01
oval:org.opensuse.security:def:66558	P	libxkbcommon-devel on GA media (Moderate)	2020-12-01
oval:org.opensuse.security:def:37309	P	procmail on GA media (Moderate)	2020-12-01
oval:org.opensuse.security:def:6798	P	opensc on GA media (Moderate)	2020-12-01
oval:org.opensuse.security:def:37724	P	alsa on GA media (Moderate)	2020-12-01
oval:org.opensuse.security:def:73341	P	wpa_supplicant on GA media (Moderate)	2020-12-01
oval:org.opensuse.security:def:37072	P	augeas on GA media (Moderate)	2020-12-01
oval:com.ubuntu.cosmic:def:201644760000000	V	CVE-2016-4476 on Ubuntu 18.10 (cosmic) - low.	2016-05-09
oval:com.ubuntu.artful:def:20164476000	V	CVE-2016-4476 on Ubuntu 17.10 (artful) - low.	2016-05-09
oval:com.ubuntu.trusty:def:20164476000	V	CVE-2016-4476 on Ubuntu 14.04 LTS (trusty) - low.	2016-05-09
oval:com.ubuntu.bionic:def:201644760000000	V	CVE-2016-4476 on Ubuntu 18.04 LTS (bionic) - low.	2016-05-09
oval:com.ubuntu.bionic:def:20164476000	V	CVE-2016-4476 on Ubuntu 18.04 LTS (bionic) - low.	2016-05-09
oval:com.ubuntu.xenial:def:20164476000	V	CVE-2016-4476 on Ubuntu 16.04 LTS (xenial) - low.	2016-05-09
oval:com.ubuntu.xenial:def:201644760000000	V	CVE-2016-4476 on Ubuntu 16.04 LTS (xenial) - low.	2016-05-09
oval:com.ubuntu.cosmic:def:20164476000	V	CVE-2016-4476 on Ubuntu 18.10 (cosmic) - low.	2016-05-09
oval:com.ubuntu.disco:def:201644760000000	V	CVE-2016-4476 on Ubuntu 19.04 (disco) - low.	2016-05-09
oval:com.ubuntu.precise:def:20164476000	V	CVE-2016-4476 on Ubuntu 12.04 LTS (precise) - low.	2016-05-09

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