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    CVE-2015-3294

    The tcp_request function in Dnsmasq before 2.73rc4 does not properly handle the return value of the setup_reply function, which allows remote attackers to read process memory and cause a denial of service (out-of-bounds read and crash) via a malformed DNS request.

    Published:Apr 23, 2015
    Last Modified:Apr 12, 2025
    EPS:May 8, 2015
    EPSS Score:0.00184
    CVSS Score:6.4

    Affected Products

    Vendor
    Oracle
    Product
    Solaris
    Vendor
    Thekelleys
    Product
    Dnsmasq

    Exploits

    http://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2015q2/009382.htmlhttp://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2015q2/009382.html

    Common Weakness Enumeration

    CWE-252 Unchecked Return Value

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    References

    http://lists.opensuse.org/opensuse-updates/2015-05/msg00013.html
    http://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2015q2/009382.html
    http://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2015q2/009387.html
    http://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commitdiff%3Bh=ad4a8ff7d9097008d7623df8543df435bfddeac8
    http://www.debian.org/security/2015/dsa-3251
    http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html
    http://www.securityfocus.com/archive/1/535354/100/1100/threaded
    http://www.securityfocus.com/bid/74452
    http://www.securitytracker.com/id/1032195
    http://www.ubuntu.com/usn/USN-2593-1
    https://security.gentoo.org/glsa/201512-01
    http://lists.opensuse.org/opensuse-updates/2015-05/msg00013.html
    http://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2015q2/009382.html
    http://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2015q2/009387.html
    http://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commitdiff%3Bh=ad4a8ff7d9097008d7623df8543df435bfddeac8
    http://www.debian.org/security/2015/dsa-3251
    http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html
    http://www.securityfocus.com/archive/1/535354/100/1100/threaded
    http://www.securityfocus.com/bid/74452
    http://www.securitytracker.com/id/1032195
    http://www.ubuntu.com/usn/USN-2593-1
    https://security.gentoo.org/glsa/201512-01

    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