CVE-2008-3656 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 th...
HighCVSS 7.8
EPSS 70.2%
Framework module
PoC
- Published
- Updated
- Exploit status
- Public exploit available
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.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| ruby-lang ruby | <= 1.8.5 | No fix listed |
| ruby-lang ruby | = 1.6.8 | No fix listed |
| ruby-lang ruby | = 1.8.0 | No fix listed |
| ruby-lang ruby | = 1.8.1 | No fix listed |
| ruby-lang ruby | = 1.8.1--9 | No fix listed |
| ruby-lang ruby | = 1.8.2 | No fix listed |
| ruby-lang ruby | = 1.8.2-preview2 | No fix listed |
| ruby-lang ruby | = 1.8.2-preview3 | No fix listed |
| ruby-lang ruby | = 1.8.2-preview4 | No fix listed |
| ruby-lang ruby | = 1.8.3 | No fix listed |
| ruby-lang ruby | = 1.8.3-preview1 | No fix listed |
| ruby-lang ruby | = 1.8.3-preview2 | No fix listed |
| ruby-lang ruby | = 1.8.3-preview3 | No fix listed |
| ruby-lang ruby | = 1.8.4 | No fix listed |
| ruby-lang ruby | = 1.8.4-preview1 | No fix listed |
| ruby-lang ruby | = 1.8.4-preview2 | No fix listed |
| ruby-lang ruby | = 1.8.4-preview3 | No fix listed |
| ruby-lang ruby | = 1.8.5-p11 | No fix listed |
| ruby-lang ruby | = 1.8.5-p113 | No fix listed |
| ruby-lang ruby | = 1.8.5-p115 | No fix listed |
| ruby-lang ruby | = 1.8.5-p12 | No fix listed |
| ruby-lang ruby | = 1.8.5-p2 | No fix listed |
| ruby-lang ruby | = 1.8.5-p35 | No fix listed |
| ruby-lang ruby | = 1.8.5-preview1 | No fix listed |
| ruby-lang ruby | = 1.8.5-preview2 | No fix listed |
Show 18 more
| Product | Affected versions | Fixed in |
|---|---|---|
| ruby-lang ruby | = 1.8.5-preview3 | No fix listed |
| ruby-lang ruby | = 1.8.5-preview4 | No fix listed |
| ruby-lang ruby | = 1.8.5-preview5 | No fix listed |
| ruby-lang ruby | = 1.8.6 | No fix listed |
| ruby-lang ruby | = 1.8.6-p110 | No fix listed |
| ruby-lang ruby | = 1.8.6-p114 | No fix listed |
| ruby-lang ruby | = 1.8.6-preview1 | No fix listed |
| ruby-lang ruby | = 1.8.6-preview2 | No fix listed |
| ruby-lang ruby | = 1.8.6-preview3 | No fix listed |
| ruby-lang ruby | = 1.8.7 | No fix listed |
| ruby-lang ruby | = 1.8.7-p17 | No fix listed |
| ruby-lang ruby | = 1.8.7-p22 | No fix listed |
| ruby-lang ruby | = 1.8.7-p71 | No fix listed |
| ruby-lang ruby | = 1.8.7-preview1 | No fix listed |
| ruby-lang ruby | = 1.8.7-preview2 | No fix listed |
| ruby-lang ruby | = 1.8.7-preview3 | No fix listed |
| ruby-lang ruby | = 1.8.7-preview4 | No fix listed |
| ruby-lang ruby | = 1.9.0 | No fix listed |
References
- bugs.debian.org
- APPLE-SA-2009-05-12 vendor-advisory
- 31430 third-party-advisory
- 31697 third-party-advisory
- 32165 third-party-advisory
- 32219 third-party-advisory
- 32255 third-party-advisory
- 32256 third-party-advisory
- 32371 third-party-advisory
- 33178 third-party-advisory
- 35074 third-party-advisory
- GLSA-200812-17 vendor-advisory
- support.apple.com
- support.avaya.com
- wiki.rpath.com
- DSA-1651 vendor-advisory
- DSA-1652 vendor-advisory
- RHSA-2008:0897 vendor-advisory
- www.ruby-lang.org exploit
- 20080831 rPSA-2008-0264-1 ruby mailing-list
- 30644 vdb-entry
- 1020654 vdb-entry
- TA09-133A third-party-advisory us-government-resource
- ADV-2008-2334 vdb-entry
- ADV-2009-1297 vdb-entry
- ruby-webrick-dos(44371) vdb-entry
- oval:org.mitre.oval:def:9682 signature vdb-entry
- USN-651-1 vendor-advisory
- FEDORA-2008-8738 vendor-advisory
- FEDORA-2008-8736 vendor-advisory