VYPR
Unrated severityNVD Advisory· Published Apr 18, 2008· Updated Apr 23, 2026

CVE-2008-1891

CVE-2008-1891

Description

Directory traversal vulnerability in WEBrick in Ruby 1.8.4 and earlier, 1.8.5 before 1.8.5-p231, 1.8.6 before 1.8.6-p230, 1.8.7 before 1.8.7-p22, and 1.9.0 before 1.9.0-2, when using NTFS or FAT filesystems, allows remote attackers to read arbitrary CGI files via a trailing (1) + (plus), (2) %2b (encoded plus), (3) . (dot), (4) %2e (encoded dot), or (5) %20 (encoded space) character in the URI, possibly related to the WEBrick::HTTPServlet::FileHandler and WEBrick::HTTPServer.new functionality and the :DocumentRoot option.

Affected products

3
  • Ruby Lang/Ruby3 versions
    cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:*range: <=1.9.0
    • cpe:2.3:a:ruby-lang:ruby:1.8.5:*:*:*:*:*:*:*
    • cpe:2.3:a:ruby-lang:ruby:1.8.6:*:*:*:*:*:*:*

Patches

0

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

11

News mentions

0

No linked articles in our index yet.