Denial of Service Vulnerability in Ruby Software from Ruby Programming Language
CVE-2014-6438

7.5HIGH

Key Information:

Vendor

Ruby-lang

Status
Ruby
Vendor
CVE Published:
6 September 2017

What is CVE-2014-6438?

The URI.decode_www_form_component method in Ruby versions earlier than 1.9.2-p330 is susceptible to a denial of service attack. Malicious users can exploit this vulnerability by providing specially crafted strings that lead to catastrophic regular expression backtracking. As a result, this can cause excessive resource consumption or even crash the application, potentially disrupting services for users.

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References

http://www.securitytracker.com/id/1032874
vdb-entryx_refsource_SECTRACK
https://www.ruby-lang.org/en/news/2014/08/19/ruby-1-9-2-p...
x_refsource_CONFIRM
https://github.com/ruby/www.ruby-lang.org/issues/817
x_refsource_CONFIRM

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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