CVE-2017-15120
High
Description
An issue has been found in the parsing of authoritative answers in PowerDNS Recursor before 4.0.8, leading to a NULL pointer dereference when parsing a specially crafted answer containing a CNAME of a different class than IN. An unauthenticated remote attacker could cause a denial of service.
SeverityHigh
CVSS7.5
Exploit probability—
Product
Powerdns Recursor
PublishedJul 27, 2018
First seenJul 27, 2018
Weakness typeCWE-476NULL pointer dereference
How to fix
Update
- powerdns recursor4.0.8 or later
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| powerdns recursor | v < 4.0.8 | 4.0.8 |
| debian debian_linux | 8.0, 9.0 | — |
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