CVE-2016-1885

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    CVE-2016-1885

    Published: 12 Apr 2016Last Modified: 4 Jun 2024

    Summary:

    Details: Integer signedness error in the amd64_set_ldt function in sys/amd64/amd64/sys_machdep.c in FreeBSD 9.3 before p39, 10.1 before p31, and 10.2 before p14 allows local users to cause a denial of service (kernel panic) via an i386_set_ldt system call, which triggers a heap-based buffer overflow.

    References: http://www.coresecurity.com/advisories/freebsd-kernel-amd64setldt-heap-overflow, https://security.FreeBSD.org/advisories/FreeBSD-SA-16:15.sysarch.asc, http://packetstormsecurity.com/files/136276/FreeBSD-Kernel-amd64_set_ldt-Heap-Overflow.html, https://www.exploit-db.com/exploits/39570/, http://seclists.org/fulldisclosure/2016/Mar/56, http://seclists.org/fulldisclosure/2016/Mar/67, http://www.securityfocus.com/archive/1/537812/100/0/threaded, http://www.securityfocus.com/archive/1/537813/100/0/threaded, http://www.securitytracker.com/id/1035309

    Affected packages

    Package

    Name: kfreebsd-10

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -10.3~svn300087-1

    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