CVE-2020-24003: Skype vulnerability

Microsoft Skype through 8.59.0.77 on macOS has the disable-library-validation entitlement, which allows a local process (with the user’s privileges) to obtain unprompted microphone and camera access by loading a crafted library and thereby inheriting Skype Client’s microphone and camera access.

How to mitigate CVE-2020-24003

Time needed: 5 minutes.

Follow the instructions, as they will assist you in mitigating the Skype vulnerability that been reported in CVE-2020-24003.

  1. Install the latest version of Skype

    Navigate to the official Skype website and download the latest version of Skype. The latest version contains the CVE-2020-24003 fix.
    Update to the latest version

  2. Perform a vulnerability assessment

    Perform a scan on your Skype environment(s), and check for vulnerabilities. Verify if CVE-2020-24003 has been mitigated.

  3. Utilize the references

    The CVE-2020-24003 references have been provided for a reason. Utilize these references and make sure that you are correctly informed.

References

  • www.hdwsec.fr/blog/20200608-skype/
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