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PowerDNS Authoritative Server Multiple Vulnerabilities (2020-06)

Information

Severity

Severity

High

Family

Family

General

CVSSv2 Base

CVSSv2 Base

7.5

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Solution Type

Solution Type

Vendor Patch

Created

Created

3 years ago

Modified

Modified

3 years ago

Summary

PowerDNS Authoritative Server is prone to multiple vulnerabilities in the GSS-TSIG support.

Insight

Insight

The following vulnerabilities exist: - A remote, unauthenticated attacker can trigger a race condition leading to a crash, or possibly arbitrary code execution, by sending crafted queries with a GSS-TSIG signature (CVE-2020-24696) - A remote, unauthenticated attacker can cause a denial of service by sending crafted queries with a GSS-TSIG signature (CVE-2020-24697) - A remote, unauthenticated attacker might be able to cause a double-free, leading to a crash or possibly arbitrary code execution by sending crafted queries with a GSS-TSIG signature (CVE-2020-24698)

Affected Software

Affected Software

PowerDNS Authoritative prior to version 4.4.0.

Detection Method

Detection Method

Checks if a vulnerable version is present on the target host.

Solution

Solution

Update to version 4.4.0 or later.

Common Vulnerabilities and Exposures (CVE)