CVE-2004-0626

Current Description

The tcp_find_option function of the netfilter subsystem in Linux kernel 2.6, when using iptables and TCP options rules, allows remote attackers to cause a denial of service (CPU consumption by infinite loop) via a large option length that produces a negative integer after a casting operation to the char type.

Referenced by CVEs:CVE-2004-0592

Basic Data

PublishedDecember 06, 2004
Last ModifiedJuly 11, 2017
Assignercve@mitre.org
Data TypeCVE
Data FormatMITRE
Data Version4.0
Problem TypeNVD-CWE-Other
CVE Data Version4.0

Base Metric V2

CVSS 2 - Version2.0
CVSS 2 - Vector StringAV:N/AC:L/Au:N/C:N/I:N/A:P
CVSS 2 - Access VectorNETWORK
CVSS 2 - Access ComplexityLOW
CVSS 2 - AuthenticationNONE
CVSS 2 - Confidentiality ImpactNONE
CVSS 2 - Availability ImpactPARTIAL
CVSS 2 - Base Score5.0
SeverityMEDIUM
Exploitability Score10.0
Impact Score2.9
Obtain All Privilegefalse
Obtain User Privilegefalse
Obtain Other Privilegefalse

Base Metric V3

No data provided.

Configurations

  • OR - Configuration 1
    Cpe VersionPartVendorProductVersionUpdateEditionLanguageSW EditionTarget SWTarget HWOtherVersion Start IncludingVersion End IncludingVersion Start ExcludingVersion End Excluding
    2.3OSConectivaLinux10*******
  • OR - Configuration 2
    Cpe VersionPartVendorProductVersionUpdateEditionLanguageSW EditionTarget SWTarget HWOtherVersion Start IncludingVersion End IncludingVersion Start ExcludingVersion End Excluding
    2.3OSGentooLinux********
    2.3OSLinuxLinux Kernel2.6.0*******
    2.3OSSuseSuse Linux8.0*******
    2.3OSSuseSuse Linux8.1*******
    2.3OSSuseSuse Linux8.2*******
    2.3OSSuseSuse Linux9.0*******
    2.3OSSuseSuse Linux9.1*******

Vulnerable Software List

VendorProductVersions
Conectiva Linux 10
Linux Linux Kernel 2.6.0
Suse Suse Linux 8.0, 8.1, 8.2, 9.0, 9.1
Gentoo Linux *

References

NameSourceURLTags
CLA-2004:852http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000852CONECTIVAPATCH Vendor Advisory
FEDORA-2004-202http://lwn.net/Articles/91964/FEDORAPATCH Vendor Advisory
20040630 Remote DoS vulnerability in Linux kernel 2.6.xhttp://marc.info/?l=bugtraq&m=108861141304495&w=2BUGTRAQ
GLSA-200407-12http://www.gentoo.org/security/en/glsa/glsa-200407-12.xmlGENTOOPATCH Vendor Advisory
SUSE-SA:2004:020http://www.novell.com/linux/security/advisories/2004_20_kernel.htmlSUSE
linux-tcpfindoption-dos(16554)https://exchange.xforce.ibmcloud.com/vulnerabilities/16554XF