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RedhatCVE-2018-16855

HistoryDec 03, 2018 - 2:29 p.m.

CVE-2018-16855

2018-12-0314:29:00

CWE-125

redhat

web.nvd.nist.gov

powerdns

recursor

cve-2018-16855

security

vulnerability

dns

query

memory read

crash

nvd

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

AI Score

7.3

Confidence

High

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.

Affected configurations

Nvd

Vulners

Node

powerdnsrecursorRange<4.1.8

VendorProductVersionCPE
powerdnsrecursor*cpe:2.3:a:powerdns:recursor:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
powerdns	recursor	*	cpe:2.3:a:powerdns:recursor::::::::

CNA Affected

[
  {
    "product": "pdns-recursor",
    "vendor": "[UNKNOWN]",
    "versions": [
      {
        "status": "affected",
        "version": "4.1.8"
      }
    ]
  }
]