CVE-2022-23613

Privilege escalation on xrdp

Severity Score

7.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

xrdp is an open source remote desktop protocol (RDP) server. In affected versions an integer underflow leading to a heap overflow in the sesman server allows any unauthenticated attacker which is able to locally access a sesman server to execute code as root. This vulnerability has been patched in version 0.9.18.1 and above. Users are advised to upgrade. There are no known workarounds.

xrdp es un servidor de protocolo de escritorio remoto (RDP) de código abierto. En las versiones afectadas, un desbordamiento de enteros que conlleva a un desbordamiento de pila en el servidor sesman permite a cualquier atacante no autenticado que sea capaz de acceder localmente a un servidor sesman ejecutar código como root. Esta vulnerabilidad ha sido parcheada en la versión 0.9.18.1 y superiores. Es aconsejado a usuarios que se actualicen. No hay medidas de mitigación adicionales conocidas

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Local

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

2022-01-19 CVE Reserved
2022-02-07 CVE Published
2023-09-29 EPSS Updated
2024-08-03 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-191: Integer Underflow (Wrap or Wraparound)

CAPEC

References (4)

URL	Tag	Source
https://github.com/neutrinolabs/xrdp/security/advisories/GHSA-8h98-h426-xf32	Third Party Advisory

URL	Date	SRC

URL	Date	SRC
https://github.com/neutrinolabs/xrdp/commit/4def30ab8ea445cdc06832a44c3ec40a506a0ffa	2023-11-07

URL	Date	SRC
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/K5ONRGARKHGFU2CIEQ7E6M6VJZEM5XWW	2023-11-07
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U3XGFJNQMNXHBD3J7CBM4YURYEDXROWZ	2023-11-07

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Neutrinolabs Search vendor "Neutrinolabs"		Xrdp Search vendor "Neutrinolabs" for product "Xrdp"				0.9.17 Search vendor "Neutrinolabs" for product "Xrdp" and version "0.9.17"		-		Affected
Neutrinolabs Search vendor "Neutrinolabs"		Xrdp Search vendor "Neutrinolabs" for product "Xrdp"				0.9.18 Search vendor "Neutrinolabs" for product "Xrdp" and version "0.9.18"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				34 Search vendor "Fedoraproject" for product "Fedora" and version "34"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				35 Search vendor "Fedoraproject" for product "Fedora" and version "35"		-		Affected