CVE-2022-0934
Dnsmasq Denial of Service Write-Use After Free Vulnerability
Description
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.
INFO
Published Date :
Aug. 29, 2022, 3:15 p.m.
Last Modified :
March 7, 2023, 6:12 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
Affected Products
The following products are affected by CVE-2022-0934
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2022-0934.
| URL | 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 |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2022-0934 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2022-0934 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Modified Analysis by [email protected]
Mar. 07, 2023
Action Type Old Value New Value Changed Reference Type https://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commit%3Bh=03345ecefeb0d82e3c3a4c28f27c3554f0611b39 No Types Assigned https://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commit%3Bh=03345ecefeb0d82e3c3a4c28f27c3554f0611b39 Broken Link Changed CPE Configuration OR *cpe:2.3:a:thekelleys:dnsmasq:-:*:*:*:*:*:*:* OR *cpe:2.3:a:thekelleys:dnsmasq:*:*:*:*:*:*:*:* versions up to (excluding) 2.87 -
CVE Modified by [email protected]
Feb. 12, 2023
Action Type Old Value New Value Removed CVSS V3.1 Red Hat, Inc. AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Removed Reference https://access.redhat.com/errata/RHSA-2022:7633 [No Types Assigned] Removed Reference https://access.redhat.com/errata/RHSA-2022:8070 [No Types Assigned] Added CWE Red Hat, Inc. CWE-416 -
CVE Modified by [email protected]
Feb. 02, 2023
Action Type Old Value New Value Added CVSS V3.1 Red Hat, Inc. AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Removed Reference https://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commit;h=03345ecefeb0d82e3c3a4c28f27c3554f0611b39 [Mailing List, Patch, Vendor Advisory] Added Reference https://access.redhat.com/errata/RHSA-2022:7633 [No Types Assigned] Added Reference https://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commit%3Bh=03345ecefeb0d82e3c3a4c28f27c3554f0611b39 [No Types Assigned] Added Reference https://access.redhat.com/errata/RHSA-2022:8070 [No Types Assigned] Removed CWE Red Hat, Inc. CWE-416 -
Initial Analysis by [email protected]
Sep. 06, 2022
Action Type Old Value New Value Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Changed Reference Type https://access.redhat.com/security/cve/CVE-2022-0934 No Types Assigned https://access.redhat.com/security/cve/CVE-2022-0934 Third Party Advisory Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=2057075 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=2057075 Issue Tracking, Patch, Third Party Advisory Changed Reference Type https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2022q1/016272.html No Types Assigned https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2022q1/016272.html Mailing List, Vendor Advisory Changed Reference Type https://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commit;h=03345ecefeb0d82e3c3a4c28f27c3554f0611b39 No Types Assigned https://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commit;h=03345ecefeb0d82e3c3a4c28f27c3554f0611b39 Mailing List, Patch, Vendor Advisory Added CWE NIST CWE-416 Added CPE Configuration OR *cpe:2.3:a:thekelleys:dnsmasq:-:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2022-0934 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2022-0934
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.22 }} 0.03%
score
0.60024
percentile