Webpack up to 5.75.x Magic Comment ImportParserPlugin.js access control

Summaryinfo

A vulnerability classified as critical has been found in Webpack up to 5.75.x. Impacted is an unknown function of the file ImportParserPlugin.js of the component Magic Comment Handler. This manipulation causes access control. This vulnerability is registered as CVE-2023-28154. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Webpack up to 5.75.x. It has been declared as critical. Affected by this vulnerability is some unknown processing of the file ImportParserPlugin.js of the component Magic Comment Handler. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Webpack 5 before 5.76.0 does not avoid cross-realm object access. ImportParserPlugin.js mishandles the magic comment feature. An attacker who controls a property of an untrusted object can obtain access to the real global object.

The weakness was published 03/13/2023. The advisory is shared at github.com. This vulnerability is known as CVE-2023-28154 since 03/13/2023. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

Upgrading to version 5.76.0 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying a patch 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.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-1030). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

• Webpack

Version

• 5.0
• 5.1
• 5.2
• 5.3
• 5.4
• 5.5
• 5.6
• 5.7
• 5.8
• 5.9
• 5.10
• 5.11
• 5.12
• 5.13
• 5.14
• 5.15
• 5.16
• 5.17
• 5.18
• 5.19
• 5.20
• 5.21
• 5.22
• 5.23
• 5.24
• 5.25
• 5.26
• 5.27
• 5.28
• 5.29
• 5.30
• 5.31
• 5.32
• 5.33
• 5.34
• 5.35
• 5.36
• 5.37
• 5.38
• 5.39
• 5.40
• 5.41
• 5.42
• 5.43
• 5.44
• 5.45
• 5.46
• 5.47
• 5.48
• 5.49
• 5.50
• 5.51
• 5.52
• 5.53
• 5.54
• 5.55
• 5.56
• 5.57
• 5.58
• 5.59
• 5.60
• 5.61
• 5.62
• 5.63
• 5.64
• 5.65
• 5.66
• 5.67
• 5.68
• 5.69
• 5.70
• 5.71
• 5.72
• 5.73
• 5.74
• 5.75

Website

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

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Entryinfo

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

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