CVE-2009-2957

    Dashboard / Vulnerabilities / CVE-2009-2957

    CVE-2009-2957

    Published: 2 Sept 2009Last Modified: 10 Apr 2026

    Summary:

    Details: Heap-based buffer overflow in the tftp_request function in tftp.c in dnsmasq before 2.50, when --enable-tftp is used, might allow remote attackers to execute arbitrary code via a long filename in a TFTP packet, as demonstrated by a read (aka RRQ) request.

    References: http://secunia.com/advisories/36563, http://www.thekelleys.org.uk/dnsmasq/CHANGELOG, http://www.ubuntu.com/usn/USN-827-1, https://rhn.redhat.com/errata/RHSA-2010-0095.html, http://www.coresecurity.com/content/dnsmasq-vulnerabilities, http://www.securityfocus.com/bid/36121, https://bugzilla.redhat.com/show_bug.cgi?id=519020, http://www.redhat.com/support/errata/RHSA-2009-1238.html, https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10538

    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
    CVE-2009-2957 | CVE-DB