VDB-229799 · CVE-2023-32067 · GHSA-9g78-jv2r-p7vc

c-ares UDP denial of service

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.1	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in c-ares and classified as problematic. This impacts an unknown function of the component UDP Handler. The manipulation leads to denial of service. This vulnerability is traded as CVE-2023-32067. There is no exploit available.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in c-ares (the affected version unknown). This issue affects an unknown part of the component UDP Handler. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability.

The weakness was shared 05/24/2023. It is possible to read the advisory at bugzilla.redhat.com. The identification of this vulnerability is CVE-2023-32067 since 05/01/2023. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 216086 (Azure Linux 3.0 Security Update: c-ares / fluent-bit / grpc / nodejs (CVE-2023-32067)), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Tenable (216086). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

c-ares

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.2
VulDB Meta Temp Score: 6.1

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 7.5
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 216086
Nessus Name: Azure Linux 3.0 Security Update: c-ares / fluent-bit / grpc / nodejs (CVE-2023-32067)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Upgrade: github.com

Timelineinfo

05/01/2023 🔍
05/24/2023 +23 days 🔍
05/24/2023 +0 days 🔍
02/12/2025 +630 days 🔍

Sourcesinfo

Advisory: GHSA-9g78-jv2r-p7vc
Status: Confirmed

CVE: CVE-2023-32067 (🔍)
GCVE (CVE): GCVE-0-2023-32067
GCVE (VulDB): GCVE-100-229799

Entryinfo

Created: 05/24/2023 07:59
Updated: 02/12/2025 06:38
Changes: 05/24/2023 07:59 (35), 06/16/2023 20:14 (3), 06/16/2023 20:21 (13), 06/10/2024 21:20 (25), 02/12/2025 06:38 (9)
Complete: 🔍
Cache ID: 216::103