HIGH 7.8 Microsoft PoC
CVE-2021-3560
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.
Microsoft Security Update 2022-Feb: 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.
Affected Products
- cm1 polkit 0.116-6 on CBL Mariner 1.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-3560
- https://nvd.nist.gov/vuln/detail/CVE-2021-3560
This high severity vulnerability with a CVSS score of 7.8 was published on 2022-02-08 via Microsoft. 🚨 A public proof-of-concept exploit is available on GitHub. EPSS score: 22.2% (top 2% of all CVEs by exploitation probability). Affected: cm1 polkit 0.116-6 on CBL Mariner 1.0.
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