// For flags

CVE-2017-6669

Cisco WebEx Network Recording Player ARF File Memory Corruption Remote Code Execution Vulnerability

Severity Score

7.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

Multiple buffer overflow vulnerabilities exist in the Cisco WebEx Network Recording Player for Advanced Recording Format (ARF) files. An attacker could exploit these vulnerabilities by providing a user with a malicious ARF file via email or URL and convincing the user to launch the file. Exploitation of these vulnerabilities could cause an affected player to crash and, in some cases, could allow arbitrary code execution on the system of a targeted user. The Cisco WebEx Network Recording Player is an application that is used to play back WebEx meeting recordings that have been recorded on the computer of an online meeting attendee. The player can be automatically installed when the user accesses a recording file that is hosted on a WebEx server. The following client builds are affected by this vulnerability: Cisco WebEx Business Suite (WBS29) client builds prior to T29.13.130, Cisco WebEx Business Suite (WBS30) client builds prior to T30.17, Cisco WebEx Business Suite (WBS31) client builds prior to T31.10. Cisco Bug IDs: CSCvc47758 CSCvc51227 CSCvc51242.

Se presentan múltiples vulnerabilidades de desbordamiento de búfer en el producto WebEx Network Recording Player de Cisco para archivos Advanced Recording Format (ARF). Un atacante podría explotar estas vulnerabilidades dotando a un usuario con un archivo ARF malicioso por medio de un correo electrónico o URL y convenciendo al usuario para activar el archivo. La explotación de estas vulnerabilidades podría causar que un jugador afectado se bloquee y, en algunos casos, podría permitir la ejecución de código arbitraria en el sistema de un usuario destino. El producto Cisco WebEx Network Recording Player es una aplicación que se utiliza para reproducir las grabaciones de reunión de WebEx que se han grabado en el ordenador de un asistente a la reunión en línea. El reproductor puede ser instalado automáticamente cuando el usuario accede a un archivo de grabación hosted en un servidor WebEx. Las siguientes compilaciones cliente se ven afectadas por esta vulnerabilidad: Las compilaciones cliente de Cisco WebEx Business Suite (WBS29) anterior a versión T29.13.130, las compilaciones cliente de Cisco WebEx Business Suite (WBS30) anterior a versión T30.17, Cisco WebEx Business Suite (WBS31) compilaciones cliente anterior a versión T31.10. IDs de bug de Cisco: CSCvc47758 CSCvc51227 CSCvc51242.

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Cisco WebEx Network Recording Player. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.
The specific flaw exists within the processing of ARF files. The issue results from the lack of proper validation of user-supplied data which can result in a memory corruption condition. An attacker can leverage this vulnerability to execute arbitrary code under the context of the current process.

*Credits: Steven Seeley of Source Incite
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Medium
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2017-03-09 CVE Reserved
  • 2017-06-23 CVE Published
  • 2024-04-16 EPSS Updated
  • 2024-08-05 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Cisco
Search vendor "Cisco"
Webex Advanced Recording Format Player
Search vendor "Cisco" for product "Webex Advanced Recording Format Player"
29.10
Search vendor "Cisco" for product "Webex Advanced Recording Format Player" and version "29.10"
-
Affected