Linux Security
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    Linux Security

    Mageia 2021-0056: sudo security update

    Date 26 Jan 2021
    265
    Posted By LinuxSecurity Advisories
    A serious heap-based buffer overflow has been discovered in sudo that is exploitable by any local user. It has been given the name Baron Samedit by its discoverer. The bug can be leveraged to elevate privileges to root, even if the user is not listed in the sudoers file. User authentication is not required to exploit the bug (CVE-2021-3156).
    MGASA-2021-0056 - Updated sudo packages fix security vulnerability
    
    Publication date: 27 Jan 2021
    URL: https://advisories.mageia.org/MGASA-2021-0056.html
    Type: security
    Affected Mageia releases: 7
    CVE: CVE-2021-3156
    
    A serious heap-based buffer overflow has been discovered in sudo that is
    exploitable by any local user. It has been given the name Baron Samedit
    by its discoverer. The bug can be leveraged to elevate privileges to
    root, even if the user is not listed in the sudoers file. User
    authentication is not required to exploit the bug (CVE-2021-3156). 
    Advisory text to describe the update.
    Wrap lines at ~75 chars.
    
    References:
    - https://bugs.mageia.org/show_bug.cgi?id=28230
    - https://www.sudo.ws/alerts/unescape_overflow.html
    - https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3156
    
    SRPMS:
    - 7/core/sudo-1.9.5p2-1.mga7
    

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