CVE-2014-6438
The URI.decode_www_form_component method in Ruby before 1.9.2-p330 allows remote attackers to cause a denial of service (catastrophic regular expression backtracking, resource consumption, or application crash) via a crafted string.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (4.13%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
The URI.decode_www_form_component method in Ruby before 1.9.2-p330 allows remote attackers to cause a denial of service (catastrophic regular expression backtracking, resource consumption, or application crash) via a crafted string.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 4.13% probability · 90th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-399
- Affected
- ruby-lang/ruby
- Source
- cve@mitre.org
References
- http://www.openwall.com/lists/oss-security/2015/07/13/6Mailing List, VDB Entry
- http://www.securitytracker.com/id/1032874Third Party Advisory, VDB Entry
- https://github.com/ruby/www.ruby-lang.org/issues/817Third Party Advisory
- https://www.ruby-lang.org/en/news/2014/08/19/ruby-1-9-2-p330-released/Patch, Release Notes, Vendor Advisory
- http://www.openwall.com/lists/oss-security/2015/07/13/6Mailing List, VDB Entry
- http://www.securitytracker.com/id/1032874Third Party Advisory, VDB Entry
- https://github.com/ruby/www.ruby-lang.org/issues/817Third Party Advisory
- https://www.ruby-lang.org/en/news/2014/08/19/ruby-1-9-2-p330-released/Patch, Release Notes, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.