VDB-221474 · CVE-2022-4904 · Bug 496

c-ares config_sortlist stack-based overflow

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.
7.0	$0-$5k	0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in c-ares. Affected by this vulnerability is the function config_sortlist. Such manipulation leads to stack-based overflow. This vulnerability is traded as CVE-2022-4904. There is no exploit available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in c-ares (affected version unknown). Affected by this issue is the function config_sortlist. The manipulation with an unknown input leads to a stack-based overflow vulnerability. Using CWE to declare the problem leads to CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). Impacted is confidentiality, integrity, and availability.

The weakness was shared 02/18/2023. The advisory is available at bugzilla.redhat.com. This vulnerability is handled as CVE-2022-4904 since 02/09/2023. Technical details are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 216256 (Oracle Linux 8 : nodejs:20 (ELSA-2025-1351)), 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 databases at Tenable (216256) and CERT Bund (WID-SEC-2023-2817). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Affected

Red Hat Enterprise Linux
RESF Rocky Linux

Productinfo

Name

c-ares

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 7.0

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.6
NVD Vector: 🔍

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: Stack-based overflow
CWE: CWE-121 / CWE-119
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: 216256
Nessus Name: Oracle Linux 8 : nodejs:20 (ELSA-2025-1351)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/09/2023 🔍
02/18/2023 +9 days 🔍
02/18/2023 +0 days 🔍
12/03/2025 +1019 days 🔍

Sourcesinfo

Advisory: 496
Status: Not defined

CVE: CVE-2022-4904 (🔍)
GCVE (CVE): GCVE-0-2022-4904
GCVE (VulDB): GCVE-100-221474
CERT Bund: WID-SEC-2023-2817 - Red Hat Enterprise Linux: Schwachstelle ermöglicht Denial of Service

Entryinfo

Created: 02/18/2023 09:09
Updated: 12/03/2025 18:36
Changes: 02/18/2023 09:09 (35), 03/23/2023 08:33 (2), 03/23/2023 08:34 (12), 02/14/2025 13:48 (17), 12/03/2025 18:36 (7)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.