CVE-2006-7226

Current Description

Perl-Compatible Regular Expression (PCRE) library before 6.7 does not properly calculate the compiled memory allocation for regular expressions that involve a quantified "subpattern containing a named recursion or subroutine reference," which allows context-dependent attackers to cause a denial of service (error or crash).

Basic Data

PublishedDecember 03, 2007
Last ModifiedOctober 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:M/Au:N/C:N/I:N/A:P
CVSS 2 - Access VectorNETWORK
CVSS 2 - Access ComplexityMEDIUM
CVSS 2 - AuthenticationNONE
CVSS 2 - Confidentiality ImpactNONE
CVSS 2 - Availability ImpactPARTIAL
CVSS 2 - Base Score4.3
SeverityMEDIUM
Exploitability Score8.6
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
    2.3OSRedhatEnterprise Linux Desktop4.0*******
  • OR - Configuration 2
    Cpe VersionPartVendorProductVersionUpdateEditionLanguageSW EditionTarget SWTarget HWOtherVersion Start IncludingVersion End IncludingVersion Start ExcludingVersion End Excluding
    2.3OSRedhatEnterprise Linux4.0*as*****
    2.3OSRedhatEnterprise Linux4.0*es*****
    2.3OSRedhatEnterprise Linux4.0*ws*****

Vulnerable Software List

VendorProductVersions
Redhat Enterprise Linux 4.0
Redhat Enterprise Linux Desktop 4.0

References

NameSourceURLTags
SUSE-SA:2008:004http://lists.opensuse.org/opensuse-security-announce/2008-01/msg00006.htmlSUSE
28041http://secunia.com/advisories/28041SECUNIA
28658http://secunia.com/advisories/28658SECUNIA
http://support.avaya.com/elmodocs2/security/ASA-2007-505.htmhttp://support.avaya.com/elmodocs2/security/ASA-2007-505.htmCONFIRM
MDVSA-2008:030http://www.mandriva.com/security/advisories?name=MDVSA-2008:030MANDRIVA
http://www.pcre.org/changelog.txthttp://www.pcre.org/changelog.txtCONFIRM
RHSA-2007:1059http://www.redhat.com/support/errata/RHSA-2007-1059.htmlREDHAT
RHSA-2007:1068http://www.redhat.com/support/errata/RHSA-2007-1068.htmlREDHAT
26727http://www.securityfocus.com/bid/26727BID
https://bugzilla.redhat.com/show_bug.cgi?id=384781https://bugzilla.redhat.com/show_bug.cgi?id=384781MISC
pcre-library-subpattern-dos(40020)https://exchange.xforce.ibmcloud.com/vulnerabilities/40020XF
oval:org.mitre.oval:def:11545https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11545OVAL