CVE-2017-15094

low-risk
Published 2018-01-23

An issue has been found in the DNSSEC parsing code of PowerDNS Recursor from 4.0.0 up to and including 4.0.6 leading to a memory leak when parsing specially crafted DNSSEC ECDSA keys. These keys are only parsed when validation is enabled by setting dnssec to a value other than off or process-no-validate (default).

Do I need to act?

-
0.01% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.9/10 Medium
NETWORK / HIGH complexity

Affected Products (1)

Affected Vendors

Powerdns

References (4)

Third Party Advisory http://www.securityfocus.com/bid/101982
Mitigation https://doc.powerdns.com/recursor/security-advisories/powerdns-advisory-2017-07....
Third Party Advisory http://www.securityfocus.com/bid/101982
Mitigation https://doc.powerdns.com/recursor/security-advisories/powerdns-advisory-2017-07....
23
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal