Vulnerability Name:

CVE-2019-3806 (CCN-155915)

Assigned:2019-01-21
Published:2019-01-21
Updated:2020-10-19
Summary:An issue has been found in PowerDNS Recursor versions after 4.1.3 before 4.1.9 where Lua hooks are not properly applied to queries received over TCP in some specific combination of settings, possibly bypassing security policies enforced using Lua.
CVSS v3 Severity:8.1 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H)
7.1 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/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): High
Integrity (I): High
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: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:6.8 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
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-noinfo
CWE-358
Vulnerability Consequences:Bypass Security
References:Source: MITRE
Type: CNA
CVE-2019-3806

Source: CONFIRM
Type: Issue Tracking, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3806

Source: CCN
Type: PowerDNS Security Advisory 2019-01
Lua hooks are not applied in certain configurations

Source: CONFIRM
Type: Vendor Advisory
https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2019-01.html

Source: XF
Type: UNKNOWN
powerdns-cve20193806-sec-bypass(155915)

Vulnerable Configuration:Configuration 1:
  • cpe:/a:powerdns:recursor:*:*:*:*:*:*:*:* (Version >= 4.1.4 and < 4.1.9)

    • Configuration CCN 1:
  • cpe:/a:powerdns:recursor:4.1.4:*:*:*:*:*:*:*
  • OR cpe:/a:powerdns:recursor:4.1.8:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:20193806
    V
    		CVE-2019-3806
    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:26401
    P
    		Security update for chromium (Important)
    2020-12-01
    oval:org.opensuse.security:def:25330
    P
    		Security update for xen (Important)
    2020-12-01
    oval:org.opensuse.security:def:25705
    P
    		Security update for python3 (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:25065
    P
    		Security update for ucode-intel (Important)
    2020-12-01
    oval:org.opensuse.security:def:26436
    P
    		Security update for pdns-recursor (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:25414
    P
    		Security update for java-1_7_0-openjdk (Important)
    2020-12-01
    oval:org.opensuse.security:def:25719
    P
    		Security update for ipmitool (Important)
    2020-12-01
    oval:org.opensuse.security:def:25192
    P
    		Security update for the Linux Kernel (Important)
    2020-12-01
    oval:org.opensuse.security:def:25564
    P
    		Security update for tomcat (Important)
    2020-12-01
    oval:org.opensuse.security:def:24990
    P
    		Security update for openexr (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:25763
    P
    		Security Update for Linux Kernel (Important)
    2020-12-01
    oval:org.opensuse.security:def:25273
    P
    		Security update for ceph (Important)
    2020-12-01
    oval:org.opensuse.security:def:25617
    P
    		Security update for jasper (Low)
    2020-12-01
    oval:org.opensuse.security:def:25001
    P
    		Security update for python (Important)
    2020-12-01
    oval:com.ubuntu.xenial:def:201938060000000
    V
    		CVE-2019-3806 on Ubuntu 16.04 LTS (xenial) - low.
    2019-01-29
    oval:com.ubuntu.bionic:def:20193806000
    V
    		CVE-2019-3806 on Ubuntu 18.04 LTS (bionic) - low.
    2019-01-29
    oval:com.ubuntu.disco:def:201938060000000
    V
    		CVE-2019-3806 on Ubuntu 19.04 (disco) - low.
    2019-01-29
    oval:com.ubuntu.cosmic:def:20193806000
    V
    		CVE-2019-3806 on Ubuntu 18.10 (cosmic) - low.
    2019-01-29
    oval:com.ubuntu.cosmic:def:201938060000000
    V
    		CVE-2019-3806 on Ubuntu 18.10 (cosmic) - low.
    2019-01-29
    oval:com.ubuntu.trusty:def:20193806000
    V
    		CVE-2019-3806 on Ubuntu 14.04 LTS (trusty) - low.
    2019-01-29
    oval:com.ubuntu.bionic:def:201938060000000
    V
    		CVE-2019-3806 on Ubuntu 18.04 LTS (bionic) - low.
    2019-01-29
    oval:com.ubuntu.xenial:def:20193806000
    V
    		CVE-2019-3806 on Ubuntu 16.04 LTS (xenial) - low.
    2019-01-29
    BACK
    powerdns recursor *
    powerdns recursor 4.1.4
    powerdns recursor 4.1.8