UBUNTU-CVE-2019-15681

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    UBUNTU-CVE-2019-15681

    Published: 29 Oct 2019Last Modified: 20 May 2026
    Upstream:
    CVE-2019-15681
    Aliases:
    USN-4407-1
    USN-4547-1
    USN-4573-1

    Summary:

    Details: LibVNC commit before d01e1bb4246323ba6fcee3b82ef1faa9b1dac82a contains a memory leak (CWE-655) in VNC server code, which allow an attacker to read stack memory and can be abused for information disclosure. Combined with another vulnerability, it can be used to leak stack memory and bypass ASLR. This attack appear to be exploitable via network connectivity. These vulnerabilities have been fixed in commit d01e1bb4246323ba6fcee3b82ef1faa9b1dac82a.

    References: https://ubuntu.com/security/CVE-2019-15681, https://ubuntu.com/security/notices/USN-4407-1, https://ubuntu.com/security/notices/USN-4547-1, https://ubuntu.com/security/notices/USN-4573-1, https://ubuntu.com/security/notices/USN-4587-1, https://www.cve.org/CVERecord?id=CVE-2019-15681

    Affected packages

    Package

    Name: tightvnc

    Purl: pkg:deb/ubuntu/tightvnc?arch=source&distro=trusty%2Fesm

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.3.9-6.5+deb8u1build0.14.04.1~esm1

    Affected versions

    1.3.9-6.4
    1.3.9-6.4ubuntu1

    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