Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2009-4492

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
13/01/2010
Last modified:
09/04/2025

Description

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.

Impact

Vector 2.0
AV:N/AC:L/Au:N/C:P/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): Physical
Availability (A): Physical

Base Score 2.0
7.50
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:ruby-lang:webrick:1.3.1:*:*:*:*:ruby:*:*
cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:* 1.8.6 (including) 1.8.6.383 (including)
cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:* 1.8.7 (including) 1.8.7.248 (including)
cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:* 1.9.1 (including) 1.9.1.376 (including)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools