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).
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Enterprise_linux_desktop | Redhat | 4.0 (including) | 4.0 (including) |
| Red Hat Enterprise Linux 4 | RedHat | pcre-0:4.5-4.el4_6.6 | * |
| Red Hat Enterprise Linux 5 | RedHat | pcre-0:6.6-2.el5_1.7 | * |
| Pcre3 | Ubuntu | dapper | * |
| Pcre3 | Ubuntu | edgy | * |
| Pcre3 | Ubuntu | upstream | * |
References
- http://lists.opensuse.org/opensuse-security-announce/2008-01/msg00006.html
- http://secunia.com/advisories/28041
- http://secunia.com/advisories/28658
- http://support.avaya.com/elmodocs2/security/ASA-2007-505.htm
- http://www.mandriva.com/security/advisories?name=MDVSA-2008:030
- http://www.pcre.org/changelog.txt
- http://www.redhat.com/support/errata/RHSA-2007-1059.html
- http://www.redhat.com/support/errata/RHSA-2007-1068.html
- http://www.securityfocus.com/bid/26727
- https://bugzilla.redhat.com/show_bug.cgi?id=384781
- https://exchange.xforce.ibmcloud.com/vulnerabilities/40020
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11545
- http://lists.opensuse.org/opensuse-security-announce/2008-01/msg00006.html
- http://secunia.com/advisories/28041
- http://secunia.com/advisories/28658
- http://support.avaya.com/elmodocs2/security/ASA-2007-505.htm
- http://www.mandriva.com/security/advisories?name=MDVSA-2008:030
- http://www.pcre.org/changelog.txt
- http://www.redhat.com/support/errata/RHSA-2007-1059.html
- http://www.redhat.com/support/errata/RHSA-2007-1068.html
- http://www.securityfocus.com/bid/26727
- https://bugzilla.redhat.com/show_bug.cgi?id=384781
- https://exchange.xforce.ibmcloud.com/vulnerabilities/40020
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11545