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    CVE-2018-10846

    A cache-based side channel in GnuTLS implementation that leads to plain text recovery in cross-VM attack setting was found. An attacker could use a combination of "Just in Time" Prime+probe attack in combination with Lucky-13 attack to recover plain text using crafted packets.

    Published:Aug 21, 2018
    Last Modified:Nov 21, 2024
    EPS:Aug 22, 2018
    EPSS Score:0.00026
    CVSS Score:5.6

    Affected Products

    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Fedoraproject
    Product
    Fedora
    Vendor
    Gnu
    Product
    Gnutls
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Enterprise Linux Desktop
    Vendor
    Redhat
    Product
    Enterprise Linux Server
    Vendor
    Redhat
    Product
    Enterprise Linux Workstation

    Exploits

    No exploit reference

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    CVE-2026-47336 (CVSS 3.3) — Ubuntu Linux 6.8 contains SAUCE patches with a possible use of an uninitialized variable in AppArmor AF_INET/A…
    CVE-2026-47335 (CVSS 5.5) — Ubuntu Linux 6.8 contains SAUCE patches with a possible NULL pointer dereference in the handling of AppArmor n…
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    References

    http://www.securityfocus.com/bid/105138
    https://access.redhat.com/errata/RHSA-2018:3050
    https://access.redhat.com/errata/RHSA-2018:3505
    https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10846
    https://eprint.iacr.org/2018/747
    https://gitlab.com/gnutls/gnutls/merge_requests/657
    https://lists.debian.org/debian-lts-announce/2018/10/msg00022.html
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ILMOWPKMTZAIMK5F32TUMO34XCABUCFJ/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WDYY3R4F5CUTFAMXH2C5NKYFVDEJLTT7/
    https://usn.ubuntu.com/3999-1/
    http://www.securityfocus.com/bid/105138
    https://access.redhat.com/errata/RHSA-2018:3050
    https://access.redhat.com/errata/RHSA-2018:3505
    https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10846
    https://eprint.iacr.org/2018/747
    https://gitlab.com/gnutls/gnutls/merge_requests/657
    https://lists.debian.org/debian-lts-announce/2018/10/msg00022.html
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ILMOWPKMTZAIMK5F32TUMO34XCABUCFJ/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WDYY3R4F5CUTFAMXH2C5NKYFVDEJLTT7/
    https://usn.ubuntu.com/3999-1/

    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