CVE-2022-0934

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2022-0934
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.

7.5 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://access.redhat.com/security/cve/CVE-2022-0934 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2057075 Issue Tracking Patch Third Party Advisory
https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2022q1/016272.html Mailing List Vendor Advisory
https://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commit%3Bh=03345ecefeb0d82e3c3a4c28f27c3554f0611b39 Broken Link
Configurations

Configuration 1 (hide)

cpe:2.3:a:thekelleys:dnsmasq:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
History

07 Mar 2023, 18:12

Type Values Removed Values Added
CPE cpe:2.3:a:thekelleys:dnsmasq:-:*:*:*:*:*:*:* cpe:2.3:a:thekelleys:dnsmasq:*:*:*:*:*:*:*:*
References (MISC) https://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commit%3Bh=03345ecefeb0d82e3c3a4c28f27c3554f0611b39 - (MISC) https://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commit%3Bh=03345ecefeb0d82e3c3a4c28f27c3554f0611b39 - Broken Link

12 Feb 2023, 22:15

Type Values Removed Values Added
References
  • {'url': 'https://access.redhat.com/errata/RHSA-2022:8070', 'name': 'https://access.redhat.com/errata/RHSA-2022:8070', 'tags': [], 'refsource': 'MISC'}
  • {'url': 'https://access.redhat.com/errata/RHSA-2022:7633', 'name': 'https://access.redhat.com/errata/RHSA-2022:7633', 'tags': [], 'refsource': 'MISC'}

02 Feb 2023, 21:21

Type Values Removed Values Added
References
  • {'url': 'https://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commit;h=03345ecefeb0d82e3c3a4c28f27c3554f0611b39', 'name': 'https://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commit;h=03345ecefeb0d82e3c3a4c28f27c3554f0611b39', 'tags': ['Mailing List', 'Patch', 'Vendor Advisory'], 'refsource': 'MISC'}
  • (MISC) https://access.redhat.com/errata/RHSA-2022:8070 -
  • (MISC) https://access.redhat.com/errata/RHSA-2022:7633 -
  • (MISC) https://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commit%3Bh=03345ecefeb0d82e3c3a4c28f27c3554f0611b39 -

06 Sep 2022, 13:33

Type Values Removed Values Added
CWE CWE-416
CPE cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:a:thekelleys:dnsmasq:-:*:*:*:*:*:*:*
First Time Redhat
Thekelleys dnsmasq
Thekelleys
Redhat enterprise Linux
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 7.5
References (MISC) https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2022q1/016272.html - (MISC) https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2022q1/016272.html - Mailing List, Vendor Advisory
References (MISC) https://bugzilla.redhat.com/show_bug.cgi?id=2057075 - (MISC) https://bugzilla.redhat.com/show_bug.cgi?id=2057075 - Issue Tracking, Patch, Third Party Advisory
References (MISC) https://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commit;h=03345ecefeb0d82e3c3a4c28f27c3554f0611b39 - (MISC) https://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commit;h=03345ecefeb0d82e3c3a4c28f27c3554f0611b39 - Mailing List, Patch, Vendor Advisory
References (MISC) https://access.redhat.com/security/cve/CVE-2022-0934 - (MISC) https://access.redhat.com/security/cve/CVE-2022-0934 - Third Party Advisory

29 Aug 2022, 15:48

Type Values Removed Values Added
New CVE
Information

Published : 2022-08-29 15:15

Updated : 2023-12-10 14:35

NVD link : CVE-2022-0934

Mitre link : CVE-2022-0934

CVE.ORG link : CVE-2022-0934

JSON object : View

Products Affected

thekelleys

  • dnsmasq

redhat

  • enterprise_linux
CWE
CWE-416

Use After Free