Vulnerability Name:

CVE-2018-14644 (CCN-152773)

Assigned:2018-11-06
Published:2018-11-06
Updated:2019-10-09
Summary:An issue has been found in PowerDNS Recursor from 4.0.0 up to and including 4.1.4. A remote attacker sending a DNS query for a meta-type like OPT can lead to a zone being wrongly cached as failing DNSSEC validation. It only arises if the parent zone is signed, and all the authoritative servers for that parent zone answer with FORMERR to a query for at least one of the meta-types. As a result, subsequent queries from clients requesting DNSSEC validation will be answered with a ServFail.
CVSS v3 Severity:5.9 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H)
5.2 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/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): High
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
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:N/A:L/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): None
Availibility (A): Low
CVSS v2 Severity:4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
5.0 Medium (CCN 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
Athentication (Au): None
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-2018-14644

Source: CONFIRM
Type: Issue Tracking, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14644

Source: CCN
Type: PowerDNS Security Advisory 2018-07
Crafted query for meta-types can cause a denial of service

Source: CONFIRM
Type: Vendor Advisory
https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2018-07.html

Source: XF
Type: UNKNOWN
powerdns-cve201814644-dos(152773)

Source: CCN
Type: oss-sec Mailing List, Tue, 6 Nov 2018 23:28:37 +0100
PowerDNS Security Advisories 2018-03, 2018-04, 2018-05, 2018-06 and 2018-07

Vulnerable Configuration:Configuration 1:
  • cpe:/a:powerdns:recursor:*:*:*:*:*:*:*:* (Version >= 4.0.0 and <= 4.1.4)

    • Configuration CCN 1:
  • cpe:/a:powerdns:recursor:4.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:powerdns:recursor:4.1.4:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:201814644
    V
    		CVE-2018-14644
    2022-06-30
    oval:org.opensuse.security:def:113104
    P
    		pdns-recursor-4.5.5-1.3 on GA media (Moderate)
    2022-01-17
    oval:org.opensuse.security:def:106539
    P
    		pdns-recursor-4.5.5-1.3 on GA media (Moderate)
    2021-10-01
    oval:org.opensuse.security:def:26363
    P
    		Security update for libgit2 (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:25292
    P
    		Security update for libX11 (Important)
    2020-12-01
    oval:org.opensuse.security:def:25667
    P
    		Security update for u-boot (Important)
    2020-12-01
    oval:org.opensuse.security:def:25027
    P
    		Security update for expat (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:26398
    P
    		Security update for pdns-recursor (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:25376
    P
    		Security update for dovecot22 (Important)
    2020-12-01
    oval:org.opensuse.security:def:25681
    P
    		Security update for xen (Important)
    2020-12-01
    oval:org.opensuse.security:def:25154
    P
    		Security update for webkit2gtk3 (Important)
    2020-12-01
    oval:org.opensuse.security:def:25526
    P
    		Security update for java-1_7_0-openjdk (Important)
    2020-12-01
    oval:org.opensuse.security:def:24952
    P
    		Security update for the Linux Kernel (Important)
    2020-12-01
    oval:org.opensuse.security:def:25725
    P
    		Security update for MozillaFirefox (Important)
    2020-12-01
    oval:org.opensuse.security:def:25235
    P
    		Security update for java-1_7_1-ibm (Important)
    2020-12-01
    oval:org.opensuse.security:def:25579
    P
    		Security update for xen (Important)
    2020-12-01
    oval:org.opensuse.security:def:24963
    P
    		Security update for dnsmasq (Moderate)
    2020-12-01
    oval:com.ubuntu.xenial:def:2018146440000000
    V
    		CVE-2018-14644 on Ubuntu 16.04 LTS (xenial) - medium.
    2018-11-09
    oval:com.ubuntu.bionic:def:201814644000
    V
    		CVE-2018-14644 on Ubuntu 18.04 LTS (bionic) - medium.
    2018-11-09
    oval:com.ubuntu.disco:def:2018146440000000
    V
    		CVE-2018-14644 on Ubuntu 19.04 (disco) - medium.
    2018-11-09
    oval:com.ubuntu.cosmic:def:201814644000
    V
    		CVE-2018-14644 on Ubuntu 18.10 (cosmic) - medium.
    2018-11-09
    oval:com.ubuntu.cosmic:def:2018146440000000
    V
    		CVE-2018-14644 on Ubuntu 18.10 (cosmic) - medium.
    2018-11-09
    oval:com.ubuntu.trusty:def:201814644000
    V
    		CVE-2018-14644 on Ubuntu 14.04 LTS (trusty) - medium.
    2018-11-09
    oval:com.ubuntu.bionic:def:2018146440000000
    V
    		CVE-2018-14644 on Ubuntu 18.04 LTS (bionic) - medium.
    2018-11-09
    oval:com.ubuntu.xenial:def:201814644000
    V
    		CVE-2018-14644 on Ubuntu 16.04 LTS (xenial) - medium.
    2018-11-09
    BACK
    powerdns recursor *
    powerdns recursor 4.0.0
    powerdns recursor 4.1.4