UBUNTU-CVE-2015-4620

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    UBUNTU-CVE-2015-4620

    Published: 7 Jul 2015Last Modified: 22 Apr 2026
    Upstream:
    CVE-2015-4620
    Aliases:
    USN-2669-1

    Summary:

    Details: name.c in named in ISC BIND 9.7.x through 9.9.x before 9.9.7-P1 and 9.10.x before 9.10.2-P2, when configured as a recursive resolver with DNSSEC validation, allows remote attackers to cause a denial of service (REQUIRE assertion failure and daemon exit) by constructing crafted zone data and then making a query for a name in that zone.

    References: https://ubuntu.com/security/CVE-2015-4620, https://kb.isc.org/article/AA-01267/0, https://ubuntu.com/security/notices/USN-2669-1, https://www.cve.org/CVERecord?id=CVE-2015-4620

    Affected packages

    Package

    Name: bind9

    Purl: pkg:deb/ubuntu/bind9@1:9.9.5.dfsg-3ubuntu0.3?arch=source&distro=trusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1:9.9.5.dfsg-3ubuntu0.3

    Affected versions

    1:9.9.3.dfsg.P2-4ubuntu1
    1:9.9.3.dfsg.P2-4ubuntu2
    1:9.9.3.dfsg.P2-4ubuntu3
    1:9.9.5.dfsg-2
    1:9.9.5.dfsg-3
    1:9.9.5.dfsg-3ubuntu0.1
    1:9.9.5.dfsg-3ubuntu0.2

    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