SUSE-SU-2018:0830-1

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    SUSE-SU-2018:0830-1

    Published: 27 Mar 2018Last Modified: 4 Feb 2026

    Summary: Security update for LibVNCServer

    Details: LibVNCServer was updated to fix two security issues. These security issues were fixed: - CVE-2018-7225: Missing input sanitization inside rfbserver.c rfbProcessClientNormalMessage() (bsc#1081493). - CVE-2016-9942: Heap-based buffer overflow in ultra.c allowed remote servers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted FramebufferUpdate message with the Ultra type tile, such that the LZO payload decompressed length exceeds what is specified by the tile dimensions (bsc#1017712). - CVE-2016-9941: Heap-based buffer overflow in rfbproto.c allowed remote servers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted FramebufferUpdate message containing a subrectangle outside of the client drawing area (bsc#1017711).

    References: https://www.suse.com/support/update/announcement/2018/suse-su-20180830-1/, https://bugzilla.suse.com/1017711, https://bugzilla.suse.com/1017712, https://bugzilla.suse.com/1081493, https://www.suse.com/security/cve/CVE-2016-9941, https://www.suse.com/security/cve/CVE-2016-9942, https://www.suse.com/security/cve/CVE-2018-7225

    Affected packages

    Package

    Name: LibVNCServer

    Purl: pkg:rpm/suse/LibVNCServer&distro=SUSE%20Linux%20Enterprise%20Server%20for%20Raspberry%20Pi%2012%20SP2

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -0.9.9-17.5.1

    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