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    CVE-2018-5740

    "deny-answer-aliases" is a little-used feature intended to help recursive server operators protect end users against DNS rebinding attacks, a potential method of circumventing the security model used by client browsers. However, a defect in this feature makes it easy, when the feature is in use, to experience an assertion failure in name.c. Affects BIND 9.7.0->9.8.8, 9.9.0->9.9.13, 9.10.0->9.10.8, 9.11.0->9.11.4, 9.12.0->9.12.2, 9.13.0->9.13.2.

    Published:Aug 8, 2018
    Last Modified:Nov 21, 2024
    EPS:Jan 16, 2019
    EPSS Score:0.58047
    CVSS Score:7.5

    Affected Products

    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Hp
    Product
    Hp-ux
    Vendor
    Isc
    Product
    Bind
    Vendor
    Netapp
    Product
    Data Ontap Edge
    Vendor
    Opensuse
    Product
    Leap
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Enterprise Linux Desktop
    Vendor
    Redhat
    Product
    Enterprise Linux Server
    Vendor
    Redhat
    Product
    Enterprise Linux Server Aus
    Vendor
    Redhat
    Product
    Enterprise Linux Server Eus
    Vendor
    Redhat
    Product
    Enterprise Linux Workstation

    Exploits

    https://github.com/sischkg/cve-2018-5740

    Common Weakness Enumeration

    CWE-617 Reachable Assertion

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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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…
    CVE-2026-47334 (CVSS 5.5) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly sleep while holding a spinlock…
    CVE-2026-47333 (CVSS 7.8) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which can potentially incorrectly compute the si…
    CVE-2026-47332 (CVSS 5.5) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly validate the size of an intern…
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    References

    http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00026.html
    http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00027.html
    http://www.securityfocus.com/bid/105055
    http://www.securitytracker.com/id/1041436
    https://access.redhat.com/errata/RHSA-2018:2570
    https://access.redhat.com/errata/RHSA-2018:2571
    https://kb.isc.org/docs/aa-01639
    https://lists.debian.org/debian-lts-announce/2018/08/msg00033.html
    https://lists.debian.org/debian-lts-announce/2021/11/msg00001.html
    https://security.gentoo.org/glsa/201903-13
    https://security.netapp.com/advisory/ntap-20180926-0003/
    https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03927en_us
    https://usn.ubuntu.com/3769-1/
    https://usn.ubuntu.com/3769-2/
    http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00026.html
    http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00027.html
    http://www.securityfocus.com/bid/105055
    http://www.securitytracker.com/id/1041436
    https://access.redhat.com/errata/RHSA-2018:2570
    https://access.redhat.com/errata/RHSA-2018:2571
    https://kb.isc.org/docs/aa-01639
    https://lists.debian.org/debian-lts-announce/2018/08/msg00033.html
    https://lists.debian.org/debian-lts-announce/2021/11/msg00001.html
    https://security.gentoo.org/glsa/201903-13
    https://security.netapp.com/advisory/ntap-20180926-0003/
    https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03927en_us
    https://usn.ubuntu.com/3769-1/
    https://usn.ubuntu.com/3769-2/

    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