WEBrick 1.3.1 in Ruby 1.8.6 through patchlevel 383, 1.8.7 through patchlevel 248, 1.8.8dev, 1.9.1 through patchlevel 376, and 1.9.2dev writes data to a log file without sanitizing non-printable characters, which might allow remote attackers to modify a window's title, or possibly execute arbitrary commands or overwrite files, via an HTTP request containing an escape sequence for a terminal emulator.
{ "nvd_published_at": "2010-01-13T20:30:00Z", "cwe_ids": [ "CWE-20" ], "severity": "MODERATE", "github_reviewed": true, "github_reviewed_at": "2020-06-16T21:19:44Z" }