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    Debian: DSA-4839-1: sudo security update

    Date 26 Jan 2021
    187
    Posted By LinuxSecurity Advisories
    The Qualys Research Labs discovered a heap-based buffer overflow vulnerability in sudo, a program designed to provide limited super user privileges to specific users. Any local user (sudoers and non-sudoers) can exploit this flaw for root privilege escalation.
    
    - -------------------------------------------------------------------------
    Debian Security Advisory DSA-4839-1                   This email address is being protected from spambots. You need JavaScript enabled to view it.
    https://www.debian.org/security/                     Salvatore Bonaccorso
    January 26, 2021                      https://www.debian.org/security/faq
    - -------------------------------------------------------------------------
    
    Package        : sudo
    CVE ID         : CVE-2021-3156
    
    The Qualys Research Labs discovered a heap-based buffer overflow
    vulnerability in sudo, a program designed to provide limited super user
    privileges to specific users. Any local user (sudoers and non-sudoers)
    can exploit this flaw for root privilege escalation.
    
    For the stable distribution (buster), this problem has been fixed in
    version 1.8.27-1+deb10u3.
    
    We recommend that you upgrade your sudo packages.
    
    For the detailed security status of sudo please refer to its security
    tracker page at:
    https://security-tracker.debian.org/tracker/sudo
    
    Further information about Debian Security Advisories, how to apply
    these updates to your system and frequently asked questions can be
    found at: https://www.debian.org/security/
    
    Mailing list: This email address is being protected from spambots. You need JavaScript enabled to view it.
    

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