1. Home
  2. CVE Database
  3. CVE-2020-24698
CRITICAL · 9.8

CVE-2020-24698

An issue was discovered in PowerDNS Authoritative through 4.3.0 when --enable-experimental-gss-tsig is used. A remote, unauthenticated attacker might be able to cause a double-free, leading to a crash...

Vulnerability Description

An issue was discovered in PowerDNS Authoritative through 4.3.0 when --enable-experimental-gss-tsig is used. 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.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
PowerdnsAuthoritative<= 4.3.0

Related Weaknesses (CWE)

CWE-415

References

FAQ

What is CVE-2020-24698?

CVE-2020-24698 is a vulnerability with a CVSS score of 9.8 (CRITICAL). An issue was discovered in PowerDNS Authoritative through 4.3.0 when --enable-experimental-gss-tsig is used. A remote, unauthenticated attacker might be able to cause a double-free, leading to a crash...

How severe is CVE-2020-24698?

CVE-2020-24698 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2020-24698?

Check the references section above for vendor advisories and patch information. Affected products include: Powerdns Authoritative.