CVE-2018-1046

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    CVE-2018-1046

    Published: 16 Jul 2018Last Modified: 7 Aug 2026

    Summary:

    Details: pdns before version 4.1.2 is vulnerable to a buffer overflow in dnsreplay. In the dnsreplay tool provided with PowerDNS Authoritative, replaying a specially crafted PCAP file can trigger a stack-based buffer overflow, leading to a crash and potentially arbitrary code execution. This buffer overflow only occurs when the -ecs-stamp option of dnsreplay is used.

    References: https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1046

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -431819add3aab0ee9d23173395690b6165e128e1

    Affected versions

    rec-4.1.1
    rec-4.1.0
    rec-4.1.0-rc3
    rec-4.1.0-rc2
    rec-4.1.0-rc1
    rec-4.1.0-alpha1

    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