OpenSSL up to 1.1.1j TLS Server denial of service

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability was found in OpenSSL up to 1.1.1j and classified as problematic. Impacted is an unknown function of the component TLS Server. Such manipulation leads to denial of service. This vulnerability is referenced as CVE-2021-3449. It is possible to launch the attack remotely. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in OpenSSL up to 1.1.1j (Network Encryption Software) and classified as problematic. Affected by this issue is an unknown code of the component TLS Server. 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 published 03/26/2021. The advisory is available at openssl.org. This vulnerability is handled as CVE-2021-3449. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.

The vulnerability scanner Nessus provides a plugin with the ID 211827 (Oracle Linux 9 : edk2 (ELSA-2024-12842)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 1.1.1k eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.openssl.org. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at Tenable (211827). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.5

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

NVD Base Score: 5.9
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

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: 211827
Nessus Name: Oracle Linux 9 : edk2 (ELSA-2024-12842)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: OpenSSL 1.1.1k
Patch: git.openssl.org

Timelineinfo

03/17/2021 🔍
03/26/2021 +9 days 🔍
03/26/2021 +0 days 🔍
11/26/2024 +1341 days 🔍

Sourcesinfo

Product: openssl.org

Advisory: openssl.org
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-3449 (🔍)
GCVE (CVE): GCVE-0-2021-3449
GCVE (VulDB): GCVE-100-171770

Entryinfo

Created: 03/26/2021 08:16
Updated: 11/26/2024 09:59
Changes: 03/26/2021 08:16 (40), 04/05/2021 12:09 (6), 04/05/2021 12:16 (18), 06/22/2024 12:33 (17), 11/26/2024 09:59 (2)
Complete: 🔍
Cache ID: 216::103

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

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