CVE-2018-16855

2018-12-0300:00:00

ubuntu.com

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

0.605

Percentile

97.8%

JSON

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.

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchpdns-recursor< anyUNKNOWN
ubuntu19.04noarchpdns-recursor< 4.1.8-1UNKNOWN
ubuntu19.10noarchpdns-recursor< 4.1.8-1UNKNOWN
ubuntu20.04noarchpdns-recursor< 4.1.8-1UNKNOWN
ubuntu20.10noarchpdns-recursor< 4.1.8-1UNKNOWN
ubuntu21.04noarchpdns-recursor< 4.1.8-1UNKNOWN
ubuntu21.10noarchpdns-recursor< 4.1.8-1UNKNOWN
ubuntu22.04noarchpdns-recursor< 4.1.8-1UNKNOWN
ubuntu22.10noarchpdns-recursor< 4.1.8-1UNKNOWN
ubuntu23.04noarchpdns-recursor< 4.1.8-1UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	pdns-recursor	< any	UNKNOWN
ubuntu	19.04	noarch	pdns-recursor	< 4.1.8-1	UNKNOWN
ubuntu	19.10	noarch	pdns-recursor	< 4.1.8-1	UNKNOWN
ubuntu	20.04	noarch	pdns-recursor	< 4.1.8-1	UNKNOWN
ubuntu	20.10	noarch	pdns-recursor	< 4.1.8-1	UNKNOWN
ubuntu	21.04	noarch	pdns-recursor	< 4.1.8-1	UNKNOWN
ubuntu	21.10	noarch	pdns-recursor	< 4.1.8-1	UNKNOWN
ubuntu	22.04	noarch	pdns-recursor	< 4.1.8-1	UNKNOWN
ubuntu	22.10	noarch	pdns-recursor	< 4.1.8-1	UNKNOWN
ubuntu	23.04	noarch	pdns-recursor	< 4.1.8-1	UNKNOWN