CVE-2020-29074

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    CVE-2020-29074

    Published: 25 Nov 2020Last Modified: 9 Jul 2026

    Summary:

    Details: scan.c in x11vnc 0.9.16 uses IPC_CREAT|0777 in shmget calls, which allows access by actors other than the current user.

    References: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H2FLWSVH32O6JXLRQBYDQLP7XRSTLUPQ/, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MHVXHZE3YIP4RTWGQ24IDBSW44XPRDOC/, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PZL6NQTNK5PT63D2JX5YVV5OLUL76S5C/, https://lists.debian.org/debian-lts-announce/2020/12/msg00018.html, https://www.debian.org/security/2020/dsa-4799, https://github.com/LibVNC/x11vnc/commit/69eeb9f7baa14ca03b16c9de821f9876def7a36a

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 4ca006fed80410bd9b061a1519bd5d9366bb0bc8
    Fixed -None

    Affected versions

    0.9.16

    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
    CVE-2020-29074 | CVE-DB