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Unrated severityNVD Advisory· Published Apr 18, 2008· Updated Jun 16, 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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

5
  • 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:*:*:*:*:*:*:*
  • ruby-git/ruby-gitllm-fuzzy
    Range: <=1.8.4, 1.8.5<1.8.5-p231, 1.8.6<1.8.6-p230, 1.8.7<1.8.7-p22, 1.9.0<1.9.0-2
  • Ruby Lang/Webrickllm-fuzzy
    Range: <=1.8.4, 1.8.5<1.8.5-p231, 1.8.6<1.8.6-p230, 1.8.7<1.8.7-p22, 1.9.0<1.9.0-2

Patches

Vulnerability mechanics

References

11

News mentions

0

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