CVE-2008-1891

Advisory lineage Upstream: 0 Downstream: 3
Modified
Published: 18 Apr 2008, 22:00
Last modified:07 Aug 2024, 08:41

Vulnerability Summary

Overall Risk (default)
low
20/100
CVSS Score
5 MEDIUM
v2.0 (nvd)
EPSS Score
0.53% LOW
1% probability +0.24%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

18 Apr 2008, 22:00
Published
Vulnerability first disclosed
07 Aug 2024, 08:41
Last Modified
Vulnerability information updated

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.

CVSS Metrics

  • v2.0•MEDIUM•Score: 5AV:N/AC:L/Au:N/C:P/I:N/A:N

EPSS Trends

Current EPSS score: 0.53%• Percentile: 68%

Techniques & Countermeasures

  • CWE-22•Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

    The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

Affected Systems

  • ruby-lang•ruby

    ≤ 1.9.0 | 1.8.5 | 1.8.6

References (11)