Vulnerability CVE-2018-16855
Published: 2018-12-03

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.

Type:

CWE-125

 (Out-of-bounds Read)

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Powerdns -> Recursor 

 References:
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16855
https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2018-09.html
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