Vulnerability Name:

CVE-2016-6172 (CCN-114761)

Assigned:2016-07-06
Published:2016-07-06
Updated:2018-10-30
Summary:PowerDNS (aka pdns) Authoritative Server before 4.0.1 allows remote primary DNS servers to cause a denial of service (memory exhaustion and secondary DNS server crash) via a large (1) AXFR or (2) IXFR response.
CVSS v3 Severity:6.8 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H)
5.9 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
6.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
5.7 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:7.1 High (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
6.8 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-400
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2016-6172

Source: SUSE
Type: Third Party Advisory
openSUSE-SU-2016:2116

Source: CCN
Type: oss-sec Mailing List, Wed, 6 Jul 2016 12:10:19 +0200
Malicious primary DNS servers can crash secondaries

Source: CCN
Type: oss-sec Mailing List, Wed, 6 Jul 2016 07:03:53 -0400 (EDT)
Re: Malicious primary DNS servers can crash secondaries

Source: DEBIAN
Type: UNKNOWN
DSA-3664

Source: MLIST
Type: Mailing List
[oss-security] 20160706 Malicious primary DNS servers can crash secondaries

Source: CCN
Type: PowerDNS Web Site
PowerDNS

Source: BID
Type: UNKNOWN
91678

Source: CCN
Type: BID-91678
Multiple DNS Servers Remote Denial of Service Vulnerability

Source: SECTRACK
Type: UNKNOWN
1036242

Source: CONFIRM
Type: Release Notes
https://doc.powerdns.com/md/changelog/#powerdns-authoritative-server-401

Source: XF
Type: UNKNOWN
powerdns-cve20166172-dos(114761)

Source: CONFIRM
Type: Issue Tracking
https://github.com/PowerDNS/pdns/issues/4128

Source: CONFIRM
Type: Issue Tracking
https://github.com/PowerDNS/pdns/issues/4133

Source: CONFIRM
Type: Issue Tracking
https://github.com/PowerDNS/pdns/pull/4134

Source: MISC
Type: Patch
https://github.com/sischkg/xfer-limit/blob/master/README.md

Source: MLIST
Type: Mailing List, Third Party Advisory
[dns-operations] 20160704 DNS activities in Japan

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2016-6172

Vulnerable Configuration:Configuration 1:
  • cpe:/o:opensuse:leap:42.1:*:*:*:*:*:*:*
  • OR cpe:/o:opensuse:opensuse:13.2:*:*:*:*:*:*:*

    • Configuration 2:
  • cpe:/a:powerdns:authoritative_server:*:*:*:*:*:*:*:* (Version <= 4.0.0)

    • Configuration CCN 1:
  • cpe:/a:powerdns:powerdns:*:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:20166172
    V
    		CVE-2016-6172
    2022-06-30
    oval:org.opensuse.security:def:113101
    P
    		pdns-4.0.1-1.2 on GA media (Moderate)
    2022-01-17
    oval:org.opensuse.security:def:113103
    P
    		pdns-recursor-4.0.3-1.2 on GA media (Moderate)
    2022-01-17
    oval:org.opensuse.security:def:106536
    P
    		pdns-4.0.1-1.2 on GA media (Moderate)
    2021-10-01
    oval:org.opensuse.security:def:106538
    P
    		pdns-recursor-4.0.3-1.2 on GA media (Moderate)
    2021-10-01
    oval:org.cisecurity:def:1206
    P
    		DSA-3664-1 -- pdns -- security update
    2016-11-10
    oval:com.ubuntu.artful:def:20166172000
    V
    		CVE-2016-6172 on Ubuntu 17.10 (artful) - medium.
    2016-09-26
    oval:com.ubuntu.disco:def:201661720000000
    V
    		CVE-2016-6172 on Ubuntu 19.04 (disco) - medium.
    2016-09-26
    oval:com.ubuntu.trusty:def:20166172000
    V
    		CVE-2016-6172 on Ubuntu 14.04 LTS (trusty) - medium.
    2016-09-26
    oval:com.ubuntu.cosmic:def:201661720000000
    V
    		CVE-2016-6172 on Ubuntu 18.10 (cosmic) - medium.
    2016-09-26
    oval:com.ubuntu.bionic:def:20166172000
    V
    		CVE-2016-6172 on Ubuntu 18.04 LTS (bionic) - medium.
    2016-09-26
    oval:com.ubuntu.xenial:def:20166172000
    V
    		CVE-2016-6172 on Ubuntu 16.04 LTS (xenial) - medium.
    2016-09-26
    oval:com.ubuntu.bionic:def:201661720000000
    V
    		CVE-2016-6172 on Ubuntu 18.04 LTS (bionic) - medium.
    2016-09-26
    oval:com.ubuntu.cosmic:def:20166172000
    V
    		CVE-2016-6172 on Ubuntu 18.10 (cosmic) - medium.
    2016-09-26
    oval:com.ubuntu.xenial:def:201661720000000
    V
    		CVE-2016-6172 on Ubuntu 16.04 LTS (xenial) - medium.
    2016-09-26
    oval:com.ubuntu.precise:def:20166172000
    V
    		CVE-2016-6172 on Ubuntu 12.04 LTS (precise) - medium.
    2016-09-26
    BACK
    opensuse leap 42.1
    opensuse opensuse 13.2
    powerdns authoritative server *
    powerdns powerdns *