CVE-2023-49788

Improper handling of browser-side provided input in richdocuments path handling

Severity Score

7.2

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Collabora Online is a collaborative online office suite based on LibreOffice technology. Unlike a standalone dedicated Collabora Online server, the Built-in CODE Server (richdocumentscode) is run without chroot sandboxing. Vulnerable versions of the richdocumentscode app can be susceptible to attack via modified client->server commands to overwrite files outside the sub directory the server has provided for the transient session. Files which can be accessed are limited to those that the server process has access to. The bug was fixed in Collabora Online - Built-in CODE Server (richdocumentscode) release 23.5.602. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Collabora Online es una suite ofimática colaborativa en línea basada en la tecnología LibreOffice. A diferencia de un servidor Collabora Online dedicado e independiente, el servidor CODE integrado (richdocumentscode) se ejecuta sin chroot sandboxing. Las versiones vulnerables de la aplicación richdocumentscode pueden ser susceptibles a ataques mediante comandos cliente->servidor modificados para sobrescribir archivos fuera del subdirectorio que el servidor ha proporcionado para la sesión transitoria. Los archivos a los que se puede acceder están limitados a aquellos a los que tiene acceso el proceso del servidor. El error se solucionó en Collabora Online - Servidor CODE integrado (richdocumentscode) versión 23.5.602. Se recomienda a los usuarios que actualicen. No se conocen workarounds para esta vulnerabilidad.

*Credits: N/A

CVSS Scores

NISTv3.1 7.2

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2023-11-30 CVE Reserved
2023-12-08 CVE Published
2023-12-14 EPSS Updated
2024-08-02 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CWE-501: Trust Boundary Violation

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://github.com/CollaboraOnline/online/security/advisories/GHSA-3r69-xvf7-v94j	2023-12-13

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Collaboraoffice Search vendor "Collaboraoffice"		Richdocumentscode Search vendor "Collaboraoffice" for product "Richdocumentscode"				< 23.5.602 Search vendor "Collaboraoffice" for product "Richdocumentscode" and version " < 23.5.602"		nextcloud		Affected