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VuXML IDDescription
dc33795f-ced7-11ed-b1fe-6805ca2fa271powerdns-recursor -- denial of service

PowerDNS Team reports:

PowerDNS Security Advisory 2023-02: Deterred spoofing attempts can lead to authoritative servers being marked unavailable


Discovery 2023-03-29
Entry 2023-03-30
powerdns-recursor
< 4.8.4

CVE-2023-26437
https://doc.powerdns.com/recursor/security-advisories/powerdns-advisory-2023-02.html
641cd669-bc37-11ea-babf-6805ca2fa271powerdns-recursor -- access restriction bypass

PowerDNS Team reports:

CVE-2020-14196: An issue has been found in PowerDNS Recursor where the ACL applied to the internal web server via webserver-allow-from is not properly enforced, allowing a remote attacker to send HTTP queries to the internal web server, bypassing the restriction. In the default configuration the API webserver is not enabled. Only installations using a non-default value for webserver and webserver-address are affected.


Discovery 2020-07-01
Entry 2020-07-02
powerdns-recursor
ge 4.3.0 lt 4.3.2

ge 4.2.0 lt 4.2.3

ge 4.1.0 lt 4.1.17

https://doc.powerdns.com/recursor/security-advisories/index.html
CVE-2020-14196
a6860b11-0dee-11eb-94ff-6805ca2fa271powerdns-recursor -- cache pollution

PowerDNS Team reports:

CVE-2020-25829: An issue has been found in PowerDNS Recursor where 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 installations that always validate (dnssec=validate) and for clients requesting validation when on-demand validation is enabled (dnssec=process).


Discovery 2020-10-13
Entry 2020-10-14
powerdns-recursor
ge 4.3.0 lt 4.3.5

ge 4.2.0 lt 4.2.5

ge 4.1.0 lt 4.1.18

https://doc.powerdns.com/recursor/security-advisories/powerdns-advisory-2020-07.html
CVE-2020-25829
5418b360-29cc-11ed-a6d4-6805ca2fa271powerdns-recursor -- denial of service

PowerDNS Team reports:

PowerDNS Security Advisory 2022-02: incomplete exception handling related to protobuf message generation.


Discovery 2022-08-23
Entry 2022-09-01
powerdns-recursor
< 4.7.2

< 4.6.3

< 4.5.10

CVE-2022-37428
https://doc.powerdns.com/recursor/security-advisories/powerdns-advisory-2022-02.html
f9c5a410-9b4e-11ea-ac3f-6805ca2fa271powerdns-recursor -- multiple vulnerabilities

PowerDNS Team reports:

CVE-2020-10995: 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.

CVE-2020-12244: 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. This would allow an attacker in position of man-in-the-middle to send a NXDOMAIN answer for a name that does exist, bypassing DNSSEC validation.

CVE-2020-10030: An issue has been found in PowerDNS Authoritative Server allowing an attacker with enough privileges to change the system's hostname to cause disclosure of uninitialized memory content via a stack-based out-of-bounds read. It only occurs on systems where gethostname() does not null-terminate the returned string if the hostname is larger than the supplied buffer. Linux systems are not affected because the buffer is always large enough. OpenBSD systems are not affected because the returned hostname is always null-terminated. Under some conditions this issue can lead to the writing of one null-byte out-of-bounds on the stack, causing a denial of service or possibly arbitrary code execution.


Discovery 2020-05-19
Entry 2020-05-26
Modified 2020-05-29
powerdns-recursor
ge 4.3.0 lt 4.3.1

ge 4.2.0 lt 4.2.2

ge 4.1.0 lt 4.1.16

https://doc.powerdns.com/recursor/security-advisories/index.html
CVE-2020-10995
CVE-2020-12244
CVE-2020-10030
5418b360-29cc-11ed-a6d4-6805ca2fa271powerdns-recursor -- denial of service

PowerDNS Team reports:

PowerDNS Security Advisory 2022-02: incomplete exception handling related to protobuf message generation.


Discovery 2022-08-23
Entry 2022-09-01
powerdns-recursor
< 4.7.2

< 4.6.3

< 4.5.10

CVE-2022-37428
https://doc.powerdns.com/recursor/security-advisories/powerdns-advisory-2022-02.html
5418b360-29cc-11ed-a6d4-6805ca2fa271powerdns-recursor -- denial of service

PowerDNS Team reports:

PowerDNS Security Advisory 2022-02: incomplete exception handling related to protobuf message generation.


Discovery 2022-08-23
Entry 2022-09-01
powerdns-recursor
< 4.7.2

< 4.6.3

< 4.5.10

CVE-2022-37428
https://doc.powerdns.com/recursor/security-advisories/powerdns-advisory-2022-02.html