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    CVE-2003-1013

    The Q.931 dissector in Ethereal before 0.10.0, and Tethereal, allows remote attackers to cause a denial of service (crash) via a malformed Q.931, which triggers a null dereference.

    Published:Dec 12, 2003
    Last Modified:Apr 16, 2026
    EPS:Dec 17, 2003
    EPSS Score:0.04459
    CVSS Score:7.5

    Affected Products

    Vendor
    Ethereal
    Product
    Ethereal
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Linux

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-476 NULL Pointer Dereference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    References

    ftp://patches.sgi.com/support/free/security/advisories/20040103-01-U.asc
    ftp://patches.sgi.com/support/free/security/advisories/20040202-01-U.asc
    http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000801
    http://secunia.com/advisories/10531
    http://secunia.com/advisories/10568
    http://secunia.com/advisories/10570
    http://www.debian.org/security/2003/dsa-407
    http://www.ethereal.com/appnotes/enpa-sa-00012.html
    http://www.mandriva.com/security/advisories?name=MDKSA-2004:002
    http://www.redhat.com/support/errata/RHSA-2004-001.html
    http://www.redhat.com/support/errata/RHSA-2004-002.html
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10097
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A857
    ftp://patches.sgi.com/support/free/security/advisories/20040103-01-U.asc
    ftp://patches.sgi.com/support/free/security/advisories/20040202-01-U.asc
    http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000801
    http://secunia.com/advisories/10531
    http://secunia.com/advisories/10568
    http://secunia.com/advisories/10570
    http://www.debian.org/security/2003/dsa-407
    http://www.ethereal.com/appnotes/enpa-sa-00012.html
    http://www.mandriva.com/security/advisories?name=MDKSA-2004:002
    http://www.redhat.com/support/errata/RHSA-2004-001.html
    http://www.redhat.com/support/errata/RHSA-2004-002.html
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10097
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A857

    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