node-opcua up to 2.73.x CloseSession Request deleteSubscription memory allocation

Summaryinfo

A vulnerability, which was classified as problematic, has been found in node-opcua up to 2.73.x. This vulnerability affects unknown code of the component CloseSession Request Handler. The manipulation of the argument deleteSubscription leads to memory allocation. This vulnerability is traded as CVE-2022-24375. It is possible to initiate the attack remotely. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in node-opcua up to 2.73.x. It has been rated as problematic. This issue affects an unknown functionality of the component CloseSession Request Handler. The manipulation of the argument deleteSubscription with an unknown input leads to a memory allocation vulnerability. Using CWE to declare the problem leads to CWE-789. The product allocates memory based on an untrusted, large size value, but it does not ensure that the size is within expected limits, allowing arbitrary amounts of memory to be allocated. Impacted is availability. The summary by CVE is:

The package node-opcua before 2.74.0 are vulnerable to Denial of Service (DoS) when bypassing the limitations for excessive memory consumption by sending multiple CloseSession requests with the deleteSubscription parameter equal to False.

The weakness was shared 08/24/2022. The advisory is shared at github.com. The identification of this vulnerability is CVE-2022-24375 since 02/24/2022. Technical details are known, but no exploit is available.

Upgrading to version 2.74.0 eliminates this vulnerability. Applying the patch 3fd46ec156e7718a506be41f3916310b6bdd0407 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.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

• node-opcua

Version

• 2.0
• 2.1
• 2.2
• 2.3
• 2.4
• 2.5
• 2.6
• 2.7
• 2.8
• 2.9
• 2.10
• 2.11
• 2.12
• 2.13
• 2.14
• 2.15
• 2.16
• 2.17
• 2.18
• 2.19
• 2.20
• 2.21
• 2.22
• 2.23
• 2.24
• 2.25
• 2.26
• 2.27
• 2.28
• 2.29
• 2.30
• 2.31
• 2.32
• 2.33
• 2.34
• 2.35
• 2.36
• 2.37
• 2.38
• 2.39
• 2.40
• 2.41
• 2.42
• 2.43
• 2.44
• 2.45
• 2.46
• 2.47
• 2.48
• 2.49
• 2.50
• 2.51
• 2.52
• 2.53
• 2.54
• 2.55
• 2.56
• 2.57
• 2.58
• 2.59
• 2.60
• 2.61
• 2.62
• 2.63
• 2.64
• 2.65
• 2.66
• 2.67
• 2.68
• 2.69
• 2.70
• 2.71
• 2.72
• 2.73

License

• open-source

Website

• Product: https://github.com/node-opcua/node-opcua/

CPE 2.3info

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CPE 2.2info

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Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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