VulnerabilityModified
CVE-2018-16855
An issue has been found in PowerDNS Recursor before version 4.1.8 where a remote attacker sending a DNS query can trigger an out-of-bounds memory read while computing the hash of the query for a packet cache lookup, possibly leading to a crash.
HIGH 7.5EPSS 59.5%
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 59.5%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.
Description
An issue has been found in PowerDNS Recursor before version 4.1.8 where a remote attacker sending a DNS query can trigger an out-of-bounds memory read while computing the hash of the query for a packet cache lookup, possibly leading to a crash.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 59.47% probability · 99th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-125
- Affected
- powerdns/recursor
- Source
- secalert@redhat.com
References
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16855Issue Tracking, Third Party Advisory
- https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2018-09.htmlVendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16855Issue Tracking, Third Party Advisory
- https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2018-09.htmlVendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.