CVE-2008-4310 EXPLOIT
7.8
HIGH · CVSS 2.0 · EPSS 13.6% (pctl 96)
Patch early
A public exploit exists.
Description
httputils.rb in WEBrick in Ruby 1.8.1 and 1.8.5, as used in Red Hat Enterprise Linux 4 and 5, allows remote attackers to cause a denial of service (CPU consumption) via a crafted HTTP request. NOTE: this issue exists because of an incomplete fix for CVE-2008-3656.
Scoring
| CVSS | 7.8 (HIGH, v2.0) |
|---|---|
| Vector | AV:N/AC:L/Au:N/C:N/I:N/A:C |
| EPSS | 13.55% — more likely to be exploited than 96% of all CVEs |
| Weakness | CWE-399 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2008-12-09 |
| Last modified | 2026-06-16 |
Affected (1)
| Vendor | Product |
|---|---|
| ruby-lang | ruby |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Ruby 1.9 - 'WEBrick::HTTP::DefaultFileHandler' Crafted HTTP Request Denial of Service | 2008-08-11 |
References
- http://secunia.com/advisories/33013
- http://www.openwall.com/lists/oss-security/2008/12/04/2
- http://www.redhat.com/support/errata/RHSA-2008-0981.html
- https://bugzilla.redhat.com/show_bug.cgi?id=470252
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10250
- http://secunia.com/advisories/33013
- http://www.openwall.com/lists/oss-security/2008/12/04/2
- http://www.redhat.com/support/errata/RHSA-2008-0981.html
- https://bugzilla.redhat.com/show_bug.cgi?id=470252
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10250
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