Vulnerability Details : 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.
Published 2018-12-03 14:29:00
Updated 2019-10-09 23:36:22
Source Red Hat, Inc.
View at NVD,   CVE.org

Products affected by CVE-2018-16855

Threat overview for CVE-2018-16855

Top countries where our scanners detected CVE-2018-16855
Top open port discovered on systems with this issue 53
IPs affected by CVE-2018-16855 590
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2018-16855!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2018-16855

EPSS FAQ
60.53%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 97 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2018-16855

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
5.0
 MEDIUM AV:N/AC:L/Au:N/C:N/I:N/A:P
10.0
2.9
 NIST
7.5
 HIGH CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
3.9
3.6
 NIST
7.5
 HIGH CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
3.9
3.6
 Red Hat, Inc.

CWE ids for CVE-2018-16855

  • The product reads data past the end, or before the beginning, of the intended buffer.
    Assigned by:
    • nvd@nist.gov (Primary)
    • secalert@redhat.com (Secondary)

References for CVE-2018-16855

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