CVE-2009-4492

Ruby 1.9.1 - WEBrick 'Terminal Escape Sequence in Logs' Command Injection

Severity Score

7.5

*CVSS v2

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

WEBrick v1.3.1 en Ruby v1.8.6 del patchlevel 383, v1.8.7 al patchlevel 248, v1.8.8dev, 1.9.1 al patchlevel 376, y v1.9.2dev ,escribe datos en un archivo de los sin depurar los caracteres no escribibles, lo que podría permitir a atacantes remotos modificar la ventana de título, o posiblemente ejecutar comandos de su elección o sobrescribir archivos, a través de una petición HTTP que contiene una secuencia de escape para el emulador de terminal.

Nginx, Varnish, Cherokee, thttpd, mini-httpd, WEBrick, Orion, AOLserver, Yaws and Boa are subject to log escape sequence injection vulnerabilities.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

Attack Vector

Network

Attack Complexity

High

Authentication

None

Confidentiality

None

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2009-12-30 CVE Reserved
2010-01-11 CVE Published
2010-01-11 First Exploit
2023-08-02 EPSS Updated
2024-08-07 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CAPEC

References (11)

URL	Tag	Source
http://www.securityfocus.com/archive/1/508830/100/0/threaded	Broken Link

URL	Date	SRC
https://www.exploit-db.com/exploits/33489	2010-01-11
http://securitytracker.com/id?1023429	2024-08-07
http://www.securityfocus.com/bid/37710	2024-08-07
http://www.ush.it/team/ush/hack_httpd_escape/adv.txt	2024-08-07

URL	Date	SRC
http://www.ruby-lang.org/en/news/2010/01/10/webrick-escape-sequence-injection	2023-08-01

URL	Date	SRC
http://secunia.com/advisories/37949	2023-08-01
http://www.redhat.com/support/errata/RHSA-2011-0908.html	2023-08-01
http://www.redhat.com/support/errata/RHSA-2011-0909.html	2023-08-01
https://access.redhat.com/security/cve/CVE-2009-4492	2011-06-28
https://bugzilla.redhat.com/show_bug.cgi?id=554485	2011-06-28

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Ruby-lang Search vendor "Ruby-lang"	Webrick Search vendor "Ruby-lang" for product "Webrick"	1.3.1 Search vendor "Ruby-lang" for product "Webrick" and version "1.3.1"	ruby	Affected	in	Ruby-lang Search vendor "Ruby-lang"	Ruby Search vendor "Ruby-lang" for product "Ruby"	>= 1.8.6 <= 1.8.6.383 Search vendor "Ruby-lang" for product "Ruby" and version " >= 1.8.6 <= 1.8.6.383"	-	Safe
Ruby-lang Search vendor "Ruby-lang"	Webrick Search vendor "Ruby-lang" for product "Webrick"	1.3.1 Search vendor "Ruby-lang" for product "Webrick" and version "1.3.1"	ruby	Affected	in	Ruby-lang Search vendor "Ruby-lang"	Ruby Search vendor "Ruby-lang" for product "Ruby"	>= 1.8.7 <= 1.8.7.248 Search vendor "Ruby-lang" for product "Ruby" and version " >= 1.8.7 <= 1.8.7.248"	-	Safe
Ruby-lang Search vendor "Ruby-lang"	Webrick Search vendor "Ruby-lang" for product "Webrick"	1.3.1 Search vendor "Ruby-lang" for product "Webrick" and version "1.3.1"	ruby	Affected	in	Ruby-lang Search vendor "Ruby-lang"	Ruby Search vendor "Ruby-lang" for product "Ruby"	>= 1.9.1 <= 1.9.1.376 Search vendor "Ruby-lang" for product "Ruby" and version " >= 1.9.1 <= 1.9.1.376"	-	Safe