CVE-2009-0858

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    CVE-2009-0858

    Published: 9 Mar 2009Last Modified: 10 Apr 2026

    Summary:

    Details: The response_addname function in response.c in Daniel J. Bernstein djbdns 1.05 and earlier does not constrain offsets in the required manner, which allows remote attackers, with control over a third-party subdomain served by tinydns and axfrdns, to trigger DNS responses containing arbitrary records via crafted zone data for this subdomain.

    References: http://secunia.com/advisories/35820, http://www.debian.org/security/2009/dsa-1831, http://www.securityfocus.com/bid/33937, http://securityandthe.net/2009/03/05/security-issue-in-djbdns-confirmed/, http://it.slashdot.org/article.pl?sid=09/03/05/2014249, http://marc.info/?l=djbdns&m=123554945710038, http://marc.info/?l=djbdns&m=123613000920446&w=2, http://www.securityfocus.com/archive/1/501294/100/0/threaded, http://www.securityfocus.com/archive/1/501340/100/0/threaded, http://www.securityfocus.com/archive/1/501479/100/0/threaded, https://exchange.xforce.ibmcloud.com/vulnerabilities/49003

    Affected packages

    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