CVE-2018-20180

Severity Score

9.8

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

rdesktop versions up to and including v1.8.3 contain an Integer Underflow that leads to a Heap-Based Buffer Overflow in the function rdpsnddbg_process() and results in memory corruption and probably even a remote code execution.

rdesktop, en versiones hasta e incluyendo la v1.8.3, contiene un subdesbordamiento de enteros que conduce a un desbordamiento de búfer basado en memoria dinámica (heap) en la función rdpsnddbg_process() y resulta en la corrupción de memoria y, posiblemente, incluso la ejecución remota de código.

*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

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2018-12-17 CVE Reserved
2019-02-19 CVE Published
2024-08-05 CVE Updated
2024-08-05 EPSS Updated
2024-08-05 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-191: Integer Underflow (Wrap or Wraparound)

CAPEC

References (7)

URL	Tag	Source
http://www.securityfocus.com/bid/106938	Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/02/msg00030.html	Mailing List

URL	Date	SRC
https://research.checkpoint.com/reverse-rdp-attack-code-execution-on-rdp-clients	2024-08-05

URL	Date	SRC
https://github.com/rdesktop/rdesktop/commit/4dca546d04321a610c1835010b5dad85163b65e1	2019-09-15

URL	Date	SRC
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00040.html	2019-09-15
https://security.gentoo.org/glsa/201903-06	2019-09-15
https://www.debian.org/security/2019/dsa-4394	2019-09-15

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Rdesktop Search vendor "Rdesktop"		Rdesktop Search vendor "Rdesktop" for product "Rdesktop"				<= 1.8.3 Search vendor "Rdesktop" for product "Rdesktop" and version " <= 1.8.3"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				8.0 Search vendor "Debian" for product "Debian Linux" and version "8.0"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				9.0 Search vendor "Debian" for product "Debian Linux" and version "9.0"		-		Affected