Vulnerability Details : 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 or possibly arbitrary code execution. by sending crafted queries with a GSS-TSIG signature.
Vulnerability category: Memory Corruption
Products affected by CVE-2020-24698
- cpe:2.3:a:powerdns:authoritative:*:*:*:*:*:*:*:*
Threat overview for CVE-2020-24698
Top countries where our scanners detected CVE-2020-24698
Top open port discovered on systems with this issue
53
IPs affected by CVE-2020-24698 66,442
Threat actors abusing to this issue?
Yes
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Exploit prediction scoring system (EPSS) score for CVE-2020-24698
0.03%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 8 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-24698
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
NIST | |
|
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2020-24698
-
The product calls free() twice on the same memory address.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-24698
-
https://doc.powerdns.com/authoritative/security-advisories/powerdns-advisory-2020-06.html
PowerDNS Security Advisory 2020-06: Various issues in our GSS-TSIG support — PowerDNS Authoritative Server documentationVendor Advisory
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