OpenSSL 3.0/3.1 DH Key crypto/dh/dh_check.c DH_check denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.2$0-$5k0.00

Summaryinfo

A vulnerability was found in OpenSSL 3.0/3.1. It has been classified as problematic. Affected by this vulnerability is the function DH_check of the file crypto/dh/dh_check.c of the component DH Key Handler. This manipulation causes denial of service. This vulnerability is tracked as CVE-2023-3817. The attack is possible to be carried out remotely. No exploit exists. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability was found in OpenSSL 3.0/3.1 (Network Encryption Software). It has been declared as problematic. Affected by this vulnerability is the function DH_check of the file crypto/dh/dh_check.c of the component DH Key Handler. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability.

The weakness was disclosed 07/31/2023 as 6a1eb62c29db6cb5eec707f9338aee00f44e26f5. It is possible to read the advisory at git.openssl.org. This vulnerability is known as CVE-2023-3817 since 07/21/2023. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 211573 (Oracle Linux 9 : openssl / and / openssl-fips-provider (ELSA-2024-9333)), which helps to determine the existence of the flaw in a target environment.

Applying the patch 869ad69aadd985c7b8ca6f4e5dd0eb274c9f3644 is able to eliminate this problem. The bugfix is ready for download at git.openssl.org.

The vulnerability is also documented in the databases at Tenable (211573) and CERT Bund (WID-SEC-2025-1854). Be aware that VulDB is the high quality source for vulnerability data.

Affected

  • HCL BigFix

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.2

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 🔍

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Nessus ID: 211573
Nessus Name: Oracle Linux 9 : openssl / and / openssl-fips-provider (ELSA-2024-9333)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 869ad69aadd985c7b8ca6f4e5dd0eb274c9f3644

Timelineinfo

07/21/2023 🔍
07/31/2023 +10 days 🔍
07/31/2023 +0 days 🔍
08/18/2025 +749 days 🔍

Sourcesinfo

Product: openssl.org

Advisory: 6a1eb62c29db6cb5eec707f9338aee00f44e26f5
Status: Confirmed

CVE: CVE-2023-3817 (🔍)
GCVE (CVE): GCVE-0-2023-3817
GCVE (VulDB): GCVE-100-235807
CERT Bund: WID-SEC-2025-1854 - HCL BigFix Komponente: Mehrere Schwachstellen

Entryinfo

Created: 07/31/2023 18:53
Updated: 08/18/2025 10:53
Changes: 07/31/2023 18:53 (43), 08/23/2023 19:45 (1), 08/23/2023 19:53 (10), 11/19/2024 12:27 (17), 08/18/2025 10:53 (9)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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