Patching the privilege escalation vulnerability in sudo utility on Linux platforms



     A privilege escalation vulnerability was reported in sudo utility that under a specific configuration could allow low privileged users or malicious programs to execute arbitrary commands with administrative ('root') privileges on Linux or macOS systems. Sudo has been designed to let users run apps or commands with the privileges of a different user without switching environments. 


     CVE's assigned:

     * CVE-2019-18634


    Affected Platforms:

     * Linux and MacOS



    To address this vulnerability, the vendor has released patches for the sudo. For more information, please refer to our blog

    Use SanerNow platform to apply this critical patch quickly across the organization as shown below.



     Vulnerability detection and patching of the sudo package: 

    1. Login to SanerNow platform
    2. Switch to the account/site specific view and Go to ‘VM tool’
    3. If the vulnerable version of sudo is installed on your system, Saner lists CVE-2019-18634 in ‘Top Vulnerabilities or ‘Recently Discovered Vulnerabilities as shown in the below diagram:



    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 ‘sudo’ from the ‘Asset section as shown in the below diagram:  kb2.png


    1. Select ‘Apply Selected Patches’ at the rightmost corner. This will prompt for ‘Creating Patching Task’. Fill in ‘Task Name’ and ‘Remediation Schedule’ as per your preference and click on ‘Apply Selected Patches’ as shown below: 



    1. Remediation job will be created, which will fix the vulnerabilities by upgrading sudo to the latest version.
    2. Once remediation is done, the Saner agent automatically scans again and uploads the result to SanerNow as shown below: 


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