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CVE-2021-3560 PoC — polkit 代码问题漏洞

Source
Associated Vulnerability
Title:polkit 代码问题漏洞 (CVE-2021-3560)
Description:It was found that polkit could be tricked into bypassing the credential checks for D-Bus requests, elevating the privileges of the requestor to the root user. This flaw could be used by an unprivileged local attacker to, for example, create a new local administrator. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Description
Polkit D-Bus Authentication Bypass Exploit
Readme
# Polkit D-Bus Authentication Bypass Exploit

* A vulnerability exists within the polkit system service that can be leveraged by a local, unprivileged attacker to perform privileged operations. In order to leverage the vulnerability, the attacker invokes a method over D-Bus and kills the client process. This will occasionally cause the operation to complete without being subjected to all of the necessary authentication. The exploit module leverages this to add a new user with a sudo access and a known password. The new account is then leveraged to execute a payload with root privileges.
File Snapshot

[4.0K] /data/pocs/1e0f5392e410f4c9df5cee698607c0035702a9ad ├── [ 16K] CVE-2021-3560.rb └── [ 594] README.md 0 directories, 2 files
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