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    CVE-2019-16866

    Unbound before 1.9.4 accesses uninitialized memory, which allows remote attackers to trigger a crash via a crafted NOTIFY query. The source IP address of the query must match an access-control rule.

    Published:Oct 3, 2019
    Last Modified:Nov 21, 2024
    EPS:Oct 3, 2019
    EPSS Score:0.01248
    CVSS Score:7.5

    Affected Products

    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Nlnetlabs
    Product
    Unbound

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-129 Pointer Manipulation

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    References

    https://github.com/NLnetLabs/unbound/blob/release-1.9.4/doc/Changelog
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/E65NCWZZB2D75ZIYWPXKMVGSGNYW4JMC/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MLRHE7TQFAOV4MB2ELTOGESZYUL65NUJ/
    https://nlnetlabs.nl/downloads/unbound/CVE-2019-16866.txt
    https://seclists.org/bugtraq/2019/Oct/23
    https://usn.ubuntu.com/4149-1/
    https://www.debian.org/security/2019/dsa-4544
    https://github.com/NLnetLabs/unbound/blob/release-1.9.4/doc/Changelog
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/E65NCWZZB2D75ZIYWPXKMVGSGNYW4JMC/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MLRHE7TQFAOV4MB2ELTOGESZYUL65NUJ/
    https://nlnetlabs.nl/downloads/unbound/CVE-2019-16866.txt
    https://seclists.org/bugtraq/2019/Oct/23
    https://usn.ubuntu.com/4149-1/
    https://www.debian.org/security/2019/dsa-4544

    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