Vapor up to 4.61.0 Request Body buffer overflow

Summaryinfo

A vulnerability was found in Vapor up to 4.61.0. It has been rated as critical. This vulnerability affects unknown code of the component Request Body Handler. This manipulation causes buffer overflow. This vulnerability appears as CVE-2022-31019. The attack may be initiated remotely. In addition, an exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in Vapor up to 4.61.0 and classified as critical. Affected by this vulnerability is an unknown function of the component Request Body Handler. The manipulation with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. As an impact it is known to affect availability.

The weakness was presented 06/09/2022 as GHSA-qvxg-wjxc-r4gg. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2022-31019 since 05/18/2022. Technical details are unknown but a public exploit is available.

It is possible to download the exploit at github.com. It is declared as proof-of-concept.

Upgrading to version 4.61.1 eliminates this vulnerability. Applying the patch 6c63226a4ab82ce53730eb1afb9ca63866fcf033 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.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

• Vapor

Version

• 4.0
• 4.1
• 4.2
• 4.3
• 4.4
• 4.5
• 4.6
• 4.7
• 4.8
• 4.9
• 4.10
• 4.11
• 4.12
• 4.13
• 4.14
• 4.15
• 4.16
• 4.17
• 4.18
• 4.19
• 4.20
• 4.21
• 4.22
• 4.23
• 4.24
• 4.25
• 4.26
• 4.27
• 4.28
• 4.29
• 4.30
• 4.31
• 4.32
• 4.33
• 4.34
• 4.35
• 4.36
• 4.37
• 4.38
• 4.39
• 4.40
• 4.41
• 4.42
• 4.43
• 4.44
• 4.45
• 4.46
• 4.47
• 4.48
• 4.49
• 4.50
• 4.51
• 4.52
• 4.53
• 4.54
• 4.55
• 4.56
• 4.57
• 4.58
• 4.59
• 4.60
• 4.61.0

License

• open-source

Website

• Product: https://github.com/vapor/vapor/

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