UBUNTU-CVE-2018-1046

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    UBUNTU-CVE-2018-1046

    Published: 16 Jul 2018Last Modified: 4 Feb 2026
    Upstream:
    CVE-2018-1046
    Aliases:
    USN-7203-1

    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://ubuntu.com/security/CVE-2018-1046, https://doc.powerdns.com/authoritative/security-advisories/powerdns-advisory-2018-02.html, https://www.cve.org/CVERecord?id=CVE-2018-1046, https://ubuntu.com/security/notices/USN-7203-1

    Affected packages

    Package

    Name: pdns

    Purl: pkg:deb/ubuntu/[email protected]~esm1?arch=source&distro=esm-apps/bionic

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -4.1.1-1ubuntu0.1~esm1

    Affected versions

    4.0.4-2
    4.0.4-2build1
    4.0.5-1

    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