// For flags

CVE-2018-0103

Cisco WebEx ARF File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability

Severity Score

7.8
*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

A Buffer Overflow vulnerability in Cisco WebEx Network Recording Player for Advanced Recording Format (ARF) files could allow a local attacker to execute arbitrary code on the system of a user. The attacker could exploit this vulnerability by sending the user a link or email attachment with a malicious ARF file and persuading the user to follow the link or launch the file. Successful exploitation could allow the attacker to execute arbitrary code on the user's system. This vulnerability affects Cisco WebEx Business Suite meeting sites, Cisco WebEx Meetings sites, Cisco WebEx Meetings Server, and Cisco WebEx ARF players. Cisco Bug IDs: CSCvg78835, CSCvg78837, CSCvg78839.

Una vulnerabilidad de desbordamiento de búfer en Cisco WebEx Network Recording Player para archivos Advanced Recording Format (.arf) podría permitir que un atacante local ejecute código arbitrario en el sistema de un usuario. El atacante podría explotar esta vulnerabilidad enviando al usuario un enlace o archivo adjunto en un email con un archivo ARF malicioso y persuadiendo al usuario para que acceda al enlace o ejecute el archivo. Una explotación con éxito podría permitir que el atacante ejecute código arbitrario en el sistema del usuario. Esta vulnerabilidad afecta a sitios de reunión Cisco WebEx Business Suite, Cisco WebEx Meetings, Cisco WebEx Meetings Server y a los reproductores Cisco WebEx ARF. Cisco Bug IDs: CSCvg78835, CSCvg78837, CSCvg78839.

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. Crafted data in an ARF file can trigger an overflow of a heap-based buffer. An attacker can leverage this vulnerability to execute code under the context of the current process.

*Credits: Steven Seeley (mr_me) of Offensive Security
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
Complete
Integrity
Complete
Availability
Complete
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
  • 2017-11-27 CVE Reserved
  • 2018-01-03 CVE Published
  • 2024-08-05 CVE Updated
  • 2024-08-07 EPSS 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 Business Suite
Search vendor "Cisco" for product "Webex Business Suite"
--
Affected
Cisco
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 Webex Meetings
Search vendor "Cisco" for product "Webex Meetings"
--
Affected
Cisco
Search vendor "Cisco"
 Webex Meetings Server
Search vendor "Cisco" for product "Webex Meetings Server"
--
Affected
Cisco
Search vendor "Cisco"
 Webex Network Recording Player
Search vendor "Cisco" for product "Webex Network Recording Player"
--
Affected