CVE-2009-4492

2010-01-1320:30:00

mitre

web.nvd.nist.gov

ruby

webrick

log file

data sanitization

vulnerability

cve-2009-4492

nvd

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

AI Score

7.5

Confidence

Low

EPSS

0.621

Percentile

97.8%

JSON

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.

Affected configurations

Nvd

Node

ruby-langwebrickMatch1.3.1ruby

AND

ruby-langrubyRange1.8.6–1.8.6.383

ruby-langrubyRange1.8.7–1.8.7.248

ruby-langrubyRange1.9.1–1.9.1.376

VendorProductVersionCPE
ruby-langwebrick1.3.1cpe:2.3:a:ruby-lang:webrick:1.3.1:*:*:*:*:ruby:*:*
ruby-langruby*cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:*