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    CVE-2020-15396

    In HylaFAX+ through 7.0.2 and HylaFAX Enterprise, the faxsetup utility calls chown on files in user-owned directories. By winning a race, a local attacker could use this to escalate his privileges to root.

    Published:Jun 30, 2020
    Last Modified:Nov 21, 2024
    EPS:Jun 30, 2020
    EPSS Score:0.00073
    CVSS Score:7.8

    Affected Products

    Vendor
    Fedoraproject
    Product
    Fedora
    Vendor
    Hylafax\+ Project
    Product
    Hylafax\+
    Vendor
    Ifax
    Product
    Hylafax Enterprise
    Vendor
    Opensuse
    Product
    Backports Sle
    Vendor
    Opensuse
    Product
    Leap

    Exploits

    https://bugzilla.suse.com/show_bug.cgi?id=1173521https://bugzilla.suse.com/show_bug.cgi?id=1173521

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    References

    http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00039.html
    http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00040.html
    http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00046.html
    http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00054.html
    https://bugzilla.suse.com/show_bug.cgi?id=1173521
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J52QFVREJWJ35YSEEDDRMZQ2LM2H2WE6/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y46FOVJUS5SO44A2VEKR7DXEHTI4WK5L/
    https://security.gentoo.org/glsa/202007-06
    https://sourceforge.net/p/hylafax/HylaFAX+/2534/
    http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00039.html
    http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00040.html
    http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00046.html
    http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00054.html
    https://bugzilla.suse.com/show_bug.cgi?id=1173521
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J52QFVREJWJ35YSEEDDRMZQ2LM2H2WE6/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y46FOVJUS5SO44A2VEKR7DXEHTI4WK5L/
    https://security.gentoo.org/glsa/202007-06
    https://sourceforge.net/p/hylafax/HylaFAX+/2534/

    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