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OVAL Definitions
>
OVAL Definition Details
Id
oval:com.altx-soft.nix:def:131689
[Rus]
Version
1
Class
patch
ALTXid
325122
Language
English
Severity
High
Title
MGASA-2020-0223 -- security update for pdns-recursor
Description
Updated pdns-recursor packages fix security vulnerabilities.
Family
unix
Platform
Mageia 7
Product
pdns-recursor
Reference
VENDOR: MGASA-2020-0223
VENDOR: MGASA-2020-0223
Id:
MGASA-2020-0223
Reference:
https://advisories.mageia.org/MGASA-2020-0223.html
CVE: CVE-2020-10995
CVE: CVE-2020-10995
Id:
CVE-2020-10995
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-10995
Comment
: PowerDNS Recursor from 4.1.0 up to and including 4.3.0 does not sufficiently defend against amplification attacks. An issue in the DNS protocol has been found that allow malicious parties to use recursive DNS services to attack third party authoritative name servers. The attack uses a crafted reply by an authoritative name server to amplify the resulting traffic between the recursive and other authoritative name servers. Both types of service can suffer degraded performance as an effect. This is triggered by random subdomains in the NSDNAME in NS records. PowerDNS Recursor 4.1.16, 4.2.2 and 4.3.1 contain a mitigation to limit the impact of this DNS protocol issue.
CVSSv2 Score:
5
Access vector:
NETWORK
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:N/AC:L/Au:N/C:N/I:N/A:P
CVSSv3 Score:
7.5
Attack vector:
NETWORK
Attack complexity:
LOW
Privileges required:
NONE
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE:
400 (Uncontrolled Resource Consumption ('Resource Exhaustion'))
References:
https://doc.powerdns.com/recursor/security-advisories/powerdns-advisory-2020-01.html (CONFIRM)
http://www.nxnsattack.com (MISC)
openSUSE-SU-2020:0698 (SUSE)
DSA-4691 (DEBIAN)
FEDORA-2020-d9abb0c06d ()
FEDORA-2020-c0ff3df740 ()
CVE: CVE-2020-12244
CVE: CVE-2020-12244
Id:
CVE-2020-12244
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12244
Comment
: An issue has been found in PowerDNS Recursor 4.1.0 through 4.3.0 where records in the answer section of a NXDOMAIN response lacking an SOA were not properly validated in SyncRes::processAnswer, allowing an attacker to bypass DNSSEC validation.
CVSSv2 Score:
5
Access vector:
NETWORK
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
NONE
Availability impact:
NONE
CVSSv2 Vector:
AV:N/AC:L/Au:N/C:P/I:N/A:N
CVSSv3 Score:
7.5
Attack vector:
NETWORK
Attack complexity:
LOW
Privileges required:
NONE
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
NONE
Availability impact:
NONE
CVSSv3 Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE:
347 (Improper Verification of Cryptographic Signature)
References:
https://doc.powerdns.com/recursor/security-advisories/powerdns-advisory-2020-02.html (CONFIRM)
[oss-security] 20200519 PowerDNS Recursor 4.3.1, 4.2.2. and 4.1.16 released fixing multiple vulnerabilities (MLIST)
DSA-4691 (DEBIAN)
openSUSE-SU-2020:0698 (SUSE)
FEDORA-2020-d9abb0c06d ()
FEDORA-2020-c0ff3df740 ()
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