CVE-2022-0934

2022-08-2915:15:10

CWE-416

redhat

web.nvd.nist.gov

677

security

vulnerability

dnsmasq

cve-2022-0934

denial of service

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

AI Score

7.1

Confidence

High

EPSS

0.002

Percentile

60.5%

JSON

A single-byte, non-arbitrary write/use-after-free flaw was found in dnsmasq. This flaw allows an attacker who sends a crafted packet processed by dnsmasq, potentially causing a denial of service.

Affected configurations

Nvd

Node

thekelleysdnsmasqRange<2.87

Node

redhatenterprise_linuxMatch8.0

redhatenterprise_linuxMatch9.0

VendorProductVersionCPE
thekelleysdnsmasq*cpe:2.3:a:thekelleys:dnsmasq:*:*:*:*:*:*:*:*
redhatenterprise_linux8.0cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
redhatenterprise_linux9.0cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
thekelleys	dnsmasq	*	cpe:2.3:a:thekelleys:dnsmasq::::::::
redhat	enterprise_linux	8.0	cpe:2.3:o:redhat:enterprise_linux:8.0:::::::*
redhat	enterprise_linux	9.0	cpe:2.3:o:redhat:enterprise_linux:9.0:::::::*

CNA Affected

[
  {
    "product": "dnsmasq",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "Not-Known"
      }
    ]
  }
]