Vulnerability Details : CVE-2005-4872
Perl-Compatible Regular Expression (PCRE) library before 6.2 does not properly count the number of named capturing subpatterns, which allows context-dependent attackers to cause a denial of service (crash) via a regular expression with a large number of named subpatterns, which triggers a buffer overflow. NOTE: this issue was originally subsumed by CVE-2006-7224, but that CVE has been REJECTED and split.
Vulnerability category: OverflowDenial of service
Exploit prediction scoring system (EPSS) score for CVE-2005-4872
Probability of exploitation activity in the next 30 days: 0.27%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 67 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2005-4872
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST |
CWE ids for CVE-2005-4872
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The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2005-4872
- http://www.mandriva.com/security/advisories?name=MDVSA-2008:030
- http://support.avaya.com/elmodocs2/security/ASA-2007-493.htm
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https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11615
- http://www.novell.com/linux/security/advisories/2007_62_pcre.html
- http://lists.opensuse.org/opensuse-security-announce/2008-01/msg00006.html
- http://www.redhat.com/support/errata/RHSA-2007-1052.html
- http://www.securityfocus.com/bid/26462
- http://www.pcre.org/changelog.txt
- http://scary.beasts.org/security/CESA-2007-006.html
Products affected by CVE-2005-4872
- cpe:2.3:a:pcre:pcre:*:*:*:*:*:*:*:*