SUSE-SU-2021:0225-1

    Dashboard / Vulnerabilities / SUSE-SU-2021:0225-1

    SUSE-SU-2021:0225-1

    Published: 26 Jan 2021Last Modified: 4 Feb 2026

    Summary: Security update for sudo

    Details: This update for sudo fixes the following issues: - A Heap-based buffer overflow in sudo could be exploited to allow a user to gain root privileges [bsc#1181090,CVE-2021-3156] - It was possible for a user to test for the existence of a directory due to a Race Condition in `sudoedit` [bsc#1180684,CVE-2021-23239] - A Possible Symlink Attack vector existed in `sudoedit` if SELinux was running in permissive mode [bsc#1180685, CVE-2021-23240] - It was possible for a User to enable Debug Settings not Intended for them [bsc#1180687]

    References: https://www.suse.com/support/update/announcement/2021/suse-su-20210225-1/, https://bugzilla.suse.com/1180684, https://bugzilla.suse.com/1180685, https://bugzilla.suse.com/1180687, https://bugzilla.suse.com/1181090, https://www.suse.com/security/cve/CVE-2021-23239, https://www.suse.com/security/cve/CVE-2021-23240, https://www.suse.com/security/cve/CVE-2021-3156

    Affected packages

    Package

    Name: sudo

    Purl: pkg:rpm/suse/sudo&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.8.27-4.6.1

    Affected versions

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    SUSE-SU-2021:0225-1 | CVE-DB