Vulnerability CVE-2017-15105

Vulnerability Name:

CVE-2017-15105 (CCN-138107)

Assigned:

2017-10-08

Published:

2018-01-19

Updated:

2019-10-09

Summary:

A flaw was found in the way unbound before 1.6.8 validated wildcard-synthesized NSEC records. An improperly validated wildcard NSEC record could be used to prove the non-existence (NXDOMAIN answer) of an existing wildcard record, or trick unbound into accepting a NODATA proof.

CVSS v3 Severity:

5.3 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)
4.6 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C)

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): Low Availibility (A): None

5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)
4.6 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C)

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): Low Availibility (A): None

CVSS v2 Severity:

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

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

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

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

Vulnerability Type:

CWE-20

Vulnerability Consequences:

Gain Access

References:

Source: MITRE
Type: CNA
CVE-2017-15105

Source: CCN
Type: oss-sec Mailing List, Fri, 19 Jan 2018 11:47:21 +0100
CVE-2017-15105 Unbound: NSEC processing vulnerability (DNSSEC)

Source: BID
Type: Third Party Advisory, VDB Entry
102817

Source: CCN
Type: BID-102817
Unbound CVE-2017-15105 Security Bypass Vulnerability

Source: XF
Type: UNKNOWN
unbound-cve201715105-weak-security(138107)

Source: MLIST
Type: Mailing List, Third Party Advisory
[debian-lts-announce] 20180130 [SECURITY] [DLA 1264-1] unbound security update

Source: MLIST
Type: Mailing List, Third Party Advisory
[debian-lts-announce] 20190214 [SECURITY] [DLA 1676-1] unbound security update

Source: CONFIRM
Type: Patch, Vendor Advisory
https://unbound.net/downloads/CVE-2017-15105.txt

Source: UBUNTU
Type: Third Party Advisory
USN-3673-1

Source: CCN
Type: Unbound Web site
Unbound

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2017-15105

Vulnerable Configuration:

Configuration 1:

cpe:/a:nlnetlabs:unbound:*:*:*:*:*:*:*:* (Version < 1.6.8)

Configuration 2:

cpe:/o:debian:debian_linux:7.0:*:*:*:*:*:*:*

OR cpe:/o:debian:debian_linux:8.0:*:*:*:*:*:*:*

Configuration 3:

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

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

OR cpe:/o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*

OR cpe:/o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*

Configuration CCN 1:

cpe:/a:nlnetlabs:unbound:1.6.7:-:*:*:*:*:*:*

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:org.opensuse.security:def:201715105	V	CVE-2017-15105	2023-06-22
oval:org.opensuse.security:def:7688	P	libunbound2-1.6.8-150100.10.8.1 on GA media (Moderate)	2023-06-12
oval:org.opensuse.security:def:3096	P	gtk2-data-2.24.31-9.6.28 on GA media (Moderate)	2022-06-28
oval:org.opensuse.security:def:94726	P	libunbound2-1.6.8-10.6.1 on GA media (Moderate)	2022-06-22
oval:org.opensuse.security:def:207	P	libtag1-1.11.1-4.9.1 on GA media (Moderate)	2022-06-13
oval:org.opensuse.security:def:217	P	libunbound2-1.6.8-10.3.1 on GA media (Moderate)	2022-06-13
oval:org.opensuse.security:def:496	P	Security update for MozillaFirefox (Important)	2022-05-24
oval:org.opensuse.security:def:809	P	Security update for mariadb (Important)	2022-04-29
oval:org.opensuse.security:def:112887	P	libunbound8-1.13.2-1.2 on GA media (Moderate)	2022-01-17
oval:org.opensuse.security:def:1146	P	Security update for log4j12 (Important)	2021-12-17
oval:org.opensuse.security:def:106347	P	libunbound8-1.13.2-1.2 on GA media (Moderate)	2021-10-01
oval:org.opensuse.security:def:96705	P	libunbound2-1.6.8-8.3 on GA media (Moderate)	2021-09-21
oval:org.opensuse.security:def:103395	P	libunbound2-1.6.8-8.3 on GA media (Moderate)	2021-09-21
oval:org.opensuse.security:def:89740	P	libunbound2-1.6.8-8.3 on GA media (Moderate)	2021-09-21
oval:org.opensuse.security:def:71326	P	libunbound2-1.6.8-8.3 on GA media (Moderate)	2021-09-21
oval:org.opensuse.security:def:61585	P	libunbound2-1.6.8-8.3 on GA media (Moderate)	2021-09-21
oval:org.opensuse.security:def:47281	P	guestfs-data-1.32.4-19.24 on GA media (Moderate)	2021-08-16
oval:org.opensuse.security:def:47032	P	libipa_hbac0-1.13.4-18.10 on GA media (Moderate)	2021-08-16
oval:org.opensuse.security:def:48143	P	liblouis-data-2.6.4-6.6.1 on GA media (Moderate)	2021-08-16
oval:org.opensuse.security:def:47643	P	hplip-3.16.11-1.33 on GA media (Moderate)	2021-08-16
oval:org.opensuse.security:def:47346	P	libgcrypt20-1.6.1-16.39.1 on GA media (Moderate)	2021-08-16
oval:org.opensuse.security:def:48245	P	nmap-6.46-3.6.1 on GA media (Moderate)	2021-08-16
oval:org.opensuse.security:def:47789	P	libsrtp1-1.5.2-3.2.1 on GA media (Moderate)	2021-08-16
oval:org.opensuse.security:def:47570	P	bzip2-1.0.6-29.2 on GA media (Moderate)	2021-08-16
oval:org.opensuse.security:def:47885	P	sblim-sfcb-1.4.8-17.3.4 on GA media (Moderate)	2021-08-16
oval:org.opensuse.security:def:47932	P	yast2-users-3.2.17-1.5 on GA media (Moderate)	2021-08-16
oval:org.opensuse.security:def:47189	P	xscreensaver-5.22-7.1 on GA media (Moderate)	2021-08-16
oval:org.opensuse.security:def:47018	P	libfreebl3-3.21.1-46.2 on GA media (Moderate)	2021-08-16
oval:org.opensuse.security:def:48078	P	libXfont2-2-2.0.3-1.19 on GA media (Moderate)	2021-08-16
oval:org.opensuse.security:def:47429	P	libvncclient0-0.9.9-16.1 on GA media (Moderate)	2021-08-16
oval:org.opensuse.security:def:47153	P	socat-1.7.2.4-3.1 on GA media (Moderate)	2021-08-16
oval:org.opensuse.security:def:48174	P	libpng16-16-1.6.8-14.1 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:47478	P	python-PyYAML-3.12-25.1 on GA media (Moderate)	2021-08-16
oval:org.opensuse.security:def:47854	P	perl-XML-LibXML-2.0019-6.3.5 on GA media (Moderate)	2021-08-16
oval:org.opensuse.security:def:47718	P	libical1-1.0.1-16.3.1 on GA media (Moderate)	2021-08-16
oval:org.opensuse.security:def:47057	P	libotr5-4.0.0-9.1 on GA media (Moderate)	2021-08-16
oval:org.opensuse.security:def:47017	P	libexif12-0.6.21-6.3 on GA media (Moderate)	2021-08-16
oval:org.opensuse.security:def:47956	P	audiofile-0.3.6-11.3.1 on GA media (Moderate)	2021-08-16
oval:org.opensuse.security:def:48016	P	gdm-3.10.0.1-54.6.3 on GA media (Moderate)	2021-08-16
oval:org.opensuse.security:def:71976	P	libunbound2-1.6.8-10.3.1 on GA media (Moderate)	2021-08-09
oval:org.opensuse.security:def:62235	P	libunbound2-1.6.8-10.3.1 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:48937	P	libosip2-3.5.0-20.1 on GA media (Moderate)	2021-06-08
oval:org.opensuse.security:def:46729	P	libgoa-1_0-0-3.10.5-1.11 on GA media (Moderate)	2021-06-08
oval:org.opensuse.security:def:71037	P	libunbound2-1.6.8-1.34 on GA media (Moderate)	2021-06-08
oval:org.opensuse.security:def:46864	P	vsftpd-3.0.2-24.1 on GA media (Moderate)	2021-06-08
oval:org.opensuse.security:def:71096	P	rsyslog-8.33.1-1.30 on GA media (Moderate)	2021-06-08
oval:org.opensuse.security:def:48594	P	perl-5.18.2-11.1 on GA media (Moderate)	2021-06-08
oval:org.opensuse.security:def:61296	P	libunbound2-1.6.8-1.34 on GA media (Moderate)	2021-06-08
oval:org.opensuse.security:def:70983	P	libjavascriptcoregtk-4_0-18-2.20.2-1.14 on GA media (Moderate)	2021-06-08
oval:org.opensuse.security:def:46728	P	libgnomesu-1.0.0-352.84 on GA media (Moderate)	2021-06-08
oval:org.opensuse.security:def:48883	P	raptor-2.0.10-3.67 on GA media (Moderate)	2021-06-08
oval:org.opensuse.security:def:46743	P	libltdl7-2.4.2-14.60 on GA media (Moderate)	2021-06-08
oval:org.opensuse.security:def:48648	P	xalan-j2-2.7.0-264.38 on GA media (Moderate)	2021-06-08
oval:org.opensuse.security:def:69796	P	Security update for bind (Important)	2021-03-02
oval:org.opensuse.security:def:100578	P	libunbound2-1.6.8-8.3 on GA media (Moderate)	2020-12-03
oval:org.opensuse.security:def:116802	P	libunbound2-1.6.8-8.3 on GA media (Moderate)	2020-12-03
oval:org.opensuse.security:def:107244	P	libunbound2-1.6.8-8.3 on GA media (Moderate)	2020-12-03
oval:org.opensuse.security:def:93865	P	libunbound2-1.6.8-8.3 on GA media (Moderate)	2020-12-03
oval:org.opensuse.security:def:71639	P	libunbound2-1.6.8-8.3 on GA media (Moderate)	2020-12-03
oval:org.opensuse.security:def:61898	P	libunbound2-1.6.8-8.3 on GA media (Moderate)	2020-12-03
oval:org.opensuse.security:def:66545	P	libunbound2 on GA media (Moderate)	2020-12-01
oval:org.opensuse.security:def:64309	P	libXt-devel on GA media (Moderate)	2020-12-01
oval:org.opensuse.security:def:67743	P	libunbound2 on GA media (Moderate)	2020-12-01
oval:org.opensuse.security:def:49250	P	libunbound2 on GA media (Moderate)	2020-12-01
oval:org.opensuse.security:def:66453	P	libarchive-devel on GA media (Moderate)	2020-12-01
oval:org.opensuse.security:def:73236	P	libunbound2 on GA media (Moderate)	2020-12-01
oval:org.opensuse.security:def:64396	P	libunbound2 on GA media (Moderate)	2020-12-01
oval:org.opensuse.security:def:67643	P	libX11-6 on GA media (Moderate)	2020-12-01
oval:org.opensuse.security:def:73118	P	less on GA media (Moderate)	2020-12-01
oval:org.opensuse.security:def:49196	P	libmpfr6 on GA media (Moderate)	2020-12-01
oval:com.ubuntu.artful:def:201715105000	V	CVE-2017-15105 on Ubuntu 17.10 (artful) - low.	2018-01-23
oval:com.ubuntu.bionic:def:201715105000	V	CVE-2017-15105 on Ubuntu 18.04 LTS (bionic) - low.	2018-01-23
oval:com.ubuntu.bionic:def:2017151050000000	V	CVE-2017-15105 on Ubuntu 18.04 LTS (bionic) - low.	2018-01-23
oval:com.ubuntu.trusty:def:201715105000	V	CVE-2017-15105 on Ubuntu 14.04 LTS (trusty) - low.	2018-01-23
oval:com.ubuntu.xenial:def:2017151050000000	V	CVE-2017-15105 on Ubuntu 16.04 LTS (xenial) - low.	2018-01-23
oval:com.ubuntu.xenial:def:201715105000	V	CVE-2017-15105 on Ubuntu 16.04 LTS (xenial) - low.	2018-01-23

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