CVE-2009-0388

TightVNC - Authentication Failure Integer Overflow (PoC)

Severity Score

9.8

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Multiple integer signedness errors in (1) UltraVNC 1.0.2 and 1.0.5 and (2) TightVnc 1.3.9 allow remote VNC servers to cause a denial of service (heap corruption and application crash) or possibly execute arbitrary code via a large length value in a message, related to the (a) ClientConnection::CheckBufferSize and (b) ClientConnection::CheckFileZipBufferSize functions in ClientConnection.cpp.

Errores múltiples de signo de entero en (1) UltraVNC v1.0.2 y v1.0.5 y (2) TightVnc v1.3.9 permiten a atacantes remotos provocar una denegación de servicio (corrupción de la cabecera y caída de la aplicación) o posiblemente ejecutar codigo de su elección mediante un valor de gran longitud en un mensaje, en relación con las funciones (a) ClientConnection::CheckBufferSize y (b) ClientConnection::CheckFileZipBufferSize en ClientConnection.cpp.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2009-02-02 CVE Reserved
2009-02-04 CVE Published
2024-08-07 CVE Updated
2024-08-07 First Exploit
2025-04-23 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-189: Numeric Errors

CAPEC

References (10)

URL	Tag	Source
http://forum.ultravnc.info/viewtopic.php?t=14654	X_refsource_confirm
http://secunia.com/advisories/33807	Third Party Advisory
http://vnc-tight.svn.sourceforge.net/viewvc/vnc-tight?view=rev&revision=3564	X_refsource_confirm
http://www.securityfocus.com/archive/1/500632/100/0/threaded	Mailing List
http://www.vupen.com/english/advisories/2009/0321	Vdb Entry
http://www.vupen.com/english/advisories/2009/0322	Vdb Entry

URL	Date	SRC
https://www.exploit-db.com/exploits/8024	2024-08-07
https://www.exploit-db.com/exploits/7990	2024-08-07
http://www.coresecurity.com/content/vnc-integer-overflows	2024-08-07
http://www.securityfocus.com/bid/33568	2024-08-07

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Tightvnc Search vendor "Tightvnc"		Tightvnc Search vendor "Tightvnc" for product "Tightvnc"				1.3.9 Search vendor "Tightvnc" for product "Tightvnc" and version "1.3.9"		-		Affected
Ultravnc Search vendor "Ultravnc"		Ultravnc Search vendor "Ultravnc" for product "Ultravnc"				1.0.2 Search vendor "Ultravnc" for product "Ultravnc" and version "1.0.2"		-		Affected
Ultravnc Search vendor "Ultravnc"		Ultravnc Search vendor "Ultravnc" for product "Ultravnc"				1.0.5 Search vendor "Ultravnc" for product "Ultravnc" and version "1.0.5"		-		Affected