open62541 up to 1.2.4/1.3.0 Chunk denial of service

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability has been found in open62541 up to 1.2.4/1.3.0 and classified as problematic. This impacts an unknown function of the component Chunk Handler. This manipulation causes denial of service. This vulnerability is tracked as CVE-2022-25761. The attack is possible to be carried out remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in open62541 up to 1.2.4/1.3.0. It has been declared as problematic. Affected by this vulnerability is an unknown part of the component Chunk 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 summary by CVE is:

The package open62541/open62541 before 1.2.5, from 1.3-rc1 and before 1.3.1 are vulnerable to Denial of Service (DoS) due to a missing limitation on the number of received chunks - per single session or in total for all concurrent sessions. An attacker can exploit this vulnerability by sending an unlimited number of huge chunks (e.g. 2GB each) without sending the Final closing chunk.

The weakness was disclosed 08/23/2022. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2022-25761 since 02/24/2022. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

Upgrading to version 1.2.5 or 1.3.1 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch b79db1ac78146fc06b0b8435773d3967de2d659c is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

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

CNA Base Score: 7.5
CNA Vector (Snyk): 🔍

CVSSv2info

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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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: open62541 1.2.5/1.3.1
Patch: b79db1ac78146fc06b0b8435773d3967de2d659c

Timelineinfo

02/24/2022 🔍
08/23/2022 +179 days 🔍
08/23/2022 +0 days 🔍
09/24/2022 +32 days 🔍

Sourcesinfo

Product: github.com

Advisory: b79db1ac78146fc06b0b8435773d3967de2d659c
Status: Confirmed

CVE: CVE-2022-25761 (🔍)
GCVE (CVE): GCVE-0-2022-25761
GCVE (VulDB): GCVE-100-207007

Entryinfo

Created: 08/23/2022 13:04
Updated: 09/24/2022 15:55
Changes: 08/23/2022 13:04 (52), 09/24/2022 15:55 (1)
Complete: 🔍
Cache ID: 216::103

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