CVE-2020-24697: High severity powerdns vulnerability

Published Oct 2, 2020
·
Updated

An issue was discovered in PowerDNS Authoritative through 4.3.0 when --enable-experimental-gss-tsig is used. A remote, unauthenticated attacker can cause a denial of service by sending crafted queries with a GSS-TSIG signature.

Affected Software

1 affected component
PowerDNS<=4.3.0

Event History

Oct 2, 2020
CVE Published
via MITRE·08:23 AM
Data Sourced
via MITRE·08:23 AM
Description
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Frequently Asked Questions

1

What is CVE-2020-24697?

CVE-2020-24697 is a vulnerability discovered in PowerDNS Authoritative through version 4.3.0 when the --enable-experimental-gss-tsig option is used.

2

What is the severity of CVE-2020-24697?

CVE-2020-24697 has a severity rating of high with a CVSS score of 7.5.

3

How does CVE-2020-24697 impact PowerDNS?

CVE-2020-24697 allows a remote, unauthenticated attacker to cause a denial of service by sending crafted queries with a GSS-TSIG signature.

4

Which version of PowerDNS Authoritative is affected by CVE-2020-24697?

PowerDNS Authoritative versions up to and including 4.3.0 are affected by CVE-2020-24697.

5

How can I fix CVE-2020-24697?

To fix CVE-2020-24697, it is recommended to upgrade to a version of PowerDNS Authoritative that is not vulnerable.

Contact

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