CVE-2008-3656
Last modified
CVE-2008-3656 is a vulnerability of currently unknown severity. Algorithmic complexity vulnerability in the WEBrick::HTTPUtils.split_header_value function in WEBrick::HTTP::DefaultFileHandler in WEBrick in Ruby 1.8.5 and earlier, 1.8.6 through 1.8.6-p286, 1.8.7 through 1.8.7-p71, and 1.9 through r18423 allows context-dependent attackers to cause a denial of service (CPU consumption) via a crafted HTTP request that is processed by a backtracking regular expression.. EPSS estimates a 70.20% chance of exploitation in the next 30 days.
Description
Algorithmic complexity vulnerability in the WEBrick::HTTPUtils.split_header_value function in WEBrick::HTTP::DefaultFileHandler in WEBrick in Ruby 1.8.5 and earlier, 1.8.6 through 1.8.6-p286, 1.8.7 through 1.8.7-p71, and 1.9 through r18423 allows context-dependent attackers to cause a denial of service (CPU consumption) via a crafted HTTP request that is processed by a backtracking regular expression.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Ruby-Lang | Ruby | <= 1.8.5 | — |
| Ruby-Lang | Ruby | 1.6.8 | — |
| Ruby-Lang | Ruby | 1.8.0 | — |
| Ruby-Lang | Ruby | 1.8.1 | — |
| Ruby-Lang | Ruby | 1.8.2 | — |
| Ruby-Lang | Ruby | 1.8.3 | — |
| Ruby-Lang | Ruby | 1.8.4 | — |
| Ruby-Lang | Ruby | 1.8.5 | P11 |
| Ruby-Lang | Ruby | 1.8.6 | — |
| Ruby-Lang | Ruby | 1.8.7 | — |
| Ruby-Lang | Ruby | 1.9.0 | — |
References
- http://www.us-cert.gov/cas/techalerts/TA09-133A.htmlUS Government Resource
- http://www.us-cert.gov/cas/techalerts/TA09-133A.htmlUS Government Resource
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2008-3656?
How severe is CVE-2008-3656?
How do I fix CVE-2008-3656?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2008
- CVE-2008-3650Multiple unspecified vulnerabilities in Horde Groupware Webm…
- CVE-2008-3651Memory leak in racoon/proposal.c in the racoon daemon in ips…
- CVE-2008-3652src/racoon/handler.c in racoon in ipsec-tools does not remov…
- CVE-2008-3653Multiple unspecified vulnerabilities in TikiWiki CMS/Groupwa…
- CVE-2008-3654Unspecified vulnerability in TikiWiki CMS/Groupware before 2…
- CVE-2008-3655Ruby 1.8.5 and earlier, 1.8.6 through 1.8.6-p286, 1.8.7 thro…
- CVE-2008-3657The dl module in Ruby 1.8.5 and earlier, 1.8.6 through 1.8.6…
- CVE-2008-3658Buffer overflow in the imageloadfont function in ext/gd/gd.c…
- CVE-2008-3659Buffer overflow in the memnstr function in PHP 4.4.x before …
- CVE-2008-3660PHP 4.4.x before 4.4.9, and 5.x through 5.2.6, when used as …
- CVE-2008-3661Drupal, probably 5.10 and 6.4, does not set the secure flag …
- CVE-2008-3662Gallery before 1.5.9, and 2.x before 2.2.6, does not set the…
Are you affected by CVE-2008-3656?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST