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32 lines
3.4 KiB
Markdown
32 lines
3.4 KiB
Markdown
### [CVE-2024-9050](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-9050)
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&color=brighgreen)
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### Description
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A flaw was found in the libreswan client plugin for NetworkManager (NetkworkManager-libreswan), where it fails to properly sanitize the VPN configuration from the local unprivileged user. In this configuration, composed by a key-value format, the plugin fails to escape special characters, leading the application to interpret values as keys. One of the most critical parameters that could be abused by a malicious user is the `leftupdown`key. This key takes an executable command as a value and is used to specify what executes as a callback in NetworkManager-libreswan to retrieve configuration settings back to NetworkManager. As NetworkManager uses Polkit to allow an unprivileged user to control the system's network configuration, a malicious actor could achieve local privilege escalation and potential code execution as root in the targeted machine by creating a malicious configuration.
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### POC
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#### Reference
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- https://www.openwall.com/lists/oss-security/2024/10/25/1
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#### Github
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No PoCs found on GitHub currently.
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