CVE-2019-5606

    Dashboard / Vulnerabilities / CVE-2019-5606

    CVE-2019-5606

    Published: 26 Jul 2019Last Modified: 4 Jun 2024

    Summary:

    Details: In FreeBSD 12.0-STABLE before r349805, 12.0-RELEASE before 12.0-RELEASE-p8, 11.3-STABLE before r349806, 11.3-RELEASE before 11.3-RELEASE-p1, and 11.2-RELEASE before 11.2-RELEASE-p12, code which handles close of a descriptor created by posix_openpt fails to undo a signal configuration. This causes an incorrect signal to be raised leading to a write after free of kernel memory allowing a malicious user to gain root privileges or escape a jail.

    References: http://packetstormsecurity.com/files/153748/FreeBSD-Security-Advisory-FreeBSD-SA-19-13.pts.html, https://security.FreeBSD.org/advisories/FreeBSD-SA-19:13.pts.asc, https://security.netapp.com/advisory/ntap-20190814-0003/

    Affected packages

    Package

    Name: kfreebsd-10

    Purl: pkg:deb/debian/kfreebsd-10?arch=source

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    10.3~svn300087+ds1-1

    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