Vulnerability · Published Oct 2, 2020 · Assigned by mitre
CVE-2020-24698
Critical 9.8
In plain English
A critical-severity security flaw in the pdns package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 3.2% (higher than 88% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)9.8Critical
Exploit odds (30 days)3.2%top 12.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | pdns | 4.4.0-1 | DEBIAN-CVE-2020-24698 |
| Debian:13 | pdns | 4.4.0-1 | DEBIAN-CVE-2020-24698 |
| Debian:14 | pdns | 4.4.0-1 | DEBIAN-CVE-2020-24698 |