Vulnerability Name:

CVE-2020-25829 (CCN-189755)

Assigned:2020-10-13
Published:2020-10-13
Updated:2022-06-15
Summary:An issue has been found in PowerDNS Recursor before 4.1.18, 4.2.x before 4.2.5, and 4.3.x before 4.3.5. A remote attacker can cause the cached records for a given name to be updated to the Bogus DNSSEC validation state, instead of their actual DNSSEC Secure state, via a DNS ANY query. This results in a denial of service for installation that always validate (dnssec=validate), and for clients requesting validation when on-demand validation is enabled (dnssec=process).
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)
6.5 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: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): High
7.5 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.5 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:H/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): High
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
7.8 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-noinfo
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2020-25829

Source: SUSE
Type: Third Party Advisory
openSUSE-SU-2020:1687

Source: CCN
Type: PowerDNS Security Advisory 2020-07
PowerDNS Security Advisory 2020-07: Cache pollution

Source: CONFIRM
Type: Vendor Advisory
https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2020-07.html

Source: XF
Type: UNKNOWN
powerdns-cve202025829-dos(189755)

Source: CCN
Type: oss-sec Mailing List, Tue, 13 Oct 2020 13:13:59 +0200
PowerDNS Recursor 4.3.5, 4.2.5. and 4.1.18 released fixing a cache pollution issue (CVE-2020-25829)

Source: GENTOO
Type: Third Party Advisory
GLSA-202012-19

Vulnerable Configuration:Configuration 1:
  • cpe:/a:powerdns:recursor:*:*:*:*:*:*:*:* (Version >= 4.3.0 and < 4.3.5)
  • OR cpe:/a:powerdns:recursor:*:*:*:*:*:*:*:* (Version >= 4.2.0 and < 4.2.5)
  • OR cpe:/a:powerdns:recursor:*:*:*:*:*:*:*:* (Version < 4.1.18)

    • Configuration 2:
  • cpe:/o:opensuse:leap:15.1:*:*:*:*:*:*:*
  • OR cpe:/a:opensuse:backports_sle:15.0:sp1:*:*:*:*:*:*
  • OR cpe:/o:opensuse:leap:15.2:*:*:*:*:*:*:*
  • OR cpe:/a:opensuse:backports_sle:15.0:sp2:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:202025829
    V
    		CVE-2020-25829
    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:64765
    P
    		Security update for ghostscript (Critical)
    2021-09-15
    oval:org.opensuse.security:def:63320
    P
    		bind-9.16.6-20.39 on GA media (Moderate)
    2021-08-10
    oval:org.opensuse.security:def:63516
    P
    		python2-waitress-1.4.3-3.3.1 on GA media (Moderate)
    2021-08-10
    oval:org.opensuse.security:def:63378
    P
    		stunnel-5.57-3.11.1 on GA media (Moderate)
    2021-08-10
    oval:org.opensuse.security:def:64521
    P
    		Security update for qemu (Important)
    2021-06-08
    oval:org.opensuse.security:def:64657
    P
    		Security update for glibc (Important)
    2021-02-26
    oval:org.opensuse.security:def:64658
    P
    		Security update for python-Jinja2 (Important)
    2021-02-26
    oval:org.opensuse.security:def:64565
    P
    		Security update for cups (Moderate)
    2021-02-02
    oval:org.opensuse.security:def:74631
    P
    		Security update for ImageMagick (Moderate)
    2021-01-15
    oval:org.opensuse.security:def:64453
    P
    		Security update for python3 (Important)
    2020-12-23
    oval:org.opensuse.security:def:63613
    P
    		enigmail-2.1.5-3.22.1 on GA media (Moderate)
    2020-12-03
    oval:org.opensuse.security:def:62720
    P
    		spice-vdagent-0.19.0-1.62 on GA media (Moderate)
    2020-12-03
    oval:org.opensuse.security:def:63114
    P
    		kernel-azure-5.3.18-16.2 on GA media (Moderate)
    2020-12-03
    oval:org.opensuse.security:def:63142
    P
    		apache2-mod_nss-1.0.17-1.28 on GA media (Moderate)
    2020-12-03
    oval:org.opensuse.security:def:62696
    P
    		librsvg-devel-2.46.4-1.31 on GA media (Moderate)
    2020-12-03
    oval:org.opensuse.security:def:62697
    P
    		libsmi-devel-0.4.8-1.29 on GA media (Moderate)
    2020-12-03
    oval:org.opensuse.security:def:63110
    P
    		rmt-server-pubcloud-1.2.2-1.15 on GA media (Moderate)
    2020-12-03
    oval:org.opensuse.security:def:63176
    P
    		python3-pywbem-0.11.0-2.21 on GA media (Moderate)
    2020-12-03
    oval:org.opensuse.security:def:63117
    P
    		python-azure-agent-2.2.45-3.6.1 on GA media (Moderate)
    2020-12-03
    oval:org.opensuse.security:def:62897
    P
    		cvs-1.12.12-2.30 on GA media (Moderate)
    2020-12-03
    oval:org.opensuse.security:def:25388
    P
    		Security update for libsolv (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:25777
    P
    		Security update for flash-player (Critical)
    2020-12-01
    oval:org.opensuse.security:def:64309
    P
    		libXt-devel on GA media (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:64069
    P
    		Security update for MozillaFirefox (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:25331
    P
    		Security update for samba (Important)
    2020-12-01
    oval:org.opensuse.security:def:74505
    P
    		Security update for chromium (Important)
    2020-12-01
    oval:org.opensuse.security:def:25763
    P
    		Security Update for Linux Kernel (Important)
    2020-12-01
    oval:org.opensuse.security:def:63742
    P
    		Security update for the Linux Kernel (Important)
    2020-12-01
    oval:org.opensuse.security:def:25250
    P
    		Security update for gd (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:75112
    P
    		Security update for pdns-recursor (Important)
    2020-12-01
    oval:org.opensuse.security:def:25123
    P
    		Security update for ucode-intel (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:74979
    P
    		Security update for rubygem-puma (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:25675
    P
    		Security update for MozillaFirefox (Important)
    2020-12-01
    oval:org.opensuse.security:def:64192
    P
    		ctdb on GA media (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:26494
    P
    		Security update for pdns-recursor (Important)
    2020-12-01
    oval:org.opensuse.security:def:25059
    P
    		Security update for apache2-mod_auth_openidc (Important)
    2020-12-01
    oval:org.opensuse.security:def:65037
    P
    		Security update for libqt5-qtbase (Important)
    2020-12-01
    oval:org.opensuse.security:def:64411
    P
    		libzip-devel on GA media (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:25622
    P
    		Security update for wavpack (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:63963
    P
    		Security update for mariadb (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:26459
    P
    		Security update for chromium (Important)
    2020-12-01
    oval:org.opensuse.security:def:64925
    P
    		Security update for libarchive (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:25472
    P
    		Security update for apache2-mod_perl (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:63816
    P
    		Security update for samba (Important)
    2020-12-01
    oval:org.opensuse.security:def:25821
    P
    		Security update for lhasa (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:25048
    P
    		Security update for xen (Important)
    2020-12-01
    oval:org.opensuse.security:def:64867
    P
    		Security update for python-SQLAlchemy (Important)
    2020-12-01
    oval:org.opensuse.security:def:64203
    P
    		ruby2.5-rubygem-railties-5_1 on GA media (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:109725
    P
    		Security update for pdns-recursor (Important)
    2020-10-17
    oval:org.opensuse.security:def:103068
    P
    		Security update for pdns-recursor (Important)
    2020-10-17
    oval:org.opensuse.security:def:110255
    P
    		Security update for pdns-recursor (Important)
    2020-10-17
    oval:org.opensuse.security:def:93535
    P
    		Security update for pdns-recursor (Important)
    2020-10-17
    oval:org.opensuse.security:def:110807
    P
    		Security update for pdns-recursor (Important)
    2020-10-17
    oval:org.opensuse.security:def:96378
    P
    		Security update for pdns-recursor (Important)
    2020-10-17
    oval:org.opensuse.security:def:100248
    P
    		Security update for pdns-recursor (Important)
    2020-10-17
    BACK
    powerdns recursor *
    powerdns recursor *
    powerdns recursor *
    opensuse leap 15.1
    opensuse backports sle 15.0 sp1
    opensuse leap 15.2
    opensuse backports sle 15.0 sp2