Patching the Security bypass (CVE-2019-14287) vulnerability in sudo


    Overview: A flaw was found in the way sudo implemented running commands with arbitrary user ID. If a sudoers entry is
    written to allow the attacker to run a command as any user except root, this flaw can be used by the attacker
    to bypass that restriction.

    CVE assigned: CVE-2019-14287 Affected Package: sudo on linux

    Solution: To address this vulnerability, the vendor has released patch for sudo package. For more information, please refer to our blog: Use SanerNow platform to apply this critical patch quickly across the organization as shown below.

    SanerNow: Vulnerability detection and patching of sudo:

    1. Login to SanerNow platform
    2. Switch to the account/site specific view and Go to 'VM tool'
    3. If your Application (sudo) is vulnerable, Saner lists CVE-2019-14287 in 'Top Vulnerabilities or
      'Recently Discovered Vulnerabilities as shown in the below diagram:image1.png
    1. Search for this vulnerability in VM tool. If you are affected, apply the patch through PM -> Missing Patches.
    2. Select 'Groups/Devices in the 'Asset Source' section and click 'Apply'.
    3. Select the product 'sudo' from the 'Asset' section as shown in the below image:


    1. Select ‘Apply Selected Patches’ at the rightmost corner. This will prompt for ‘Creating Patch Task’.
      Fill in ‘Task Name’ and ‘Remediation Schedule as per your preference and click on ‘Apply Selected Patches as
      shown below:image3.png
    2. Remediation job will be created, which will fix the vulnerability by upgrading sudo to the latest patch version. 9. Once remediation is done, the Saner agent automatically scans again and uploads the result to SanerNow as
      shown below:image4.png
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