SB2021060308 - Insecure DLL loading in Cisco Webex Meetings, Webex Network Recording Player and Webex Teams
Published: June 3, 2021
Security Bulletin ID
SB2021060308
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Insecure DLL loading (CVE-ID: CVE-2021-1536)
CWE-ID: CWE-427 - Uncontrolled Search Path Element
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to compromise vulnerable system.
The vulnerability exists due to incorrect handling of directory paths at run time. A local user can place a specially crafted .dll file and execute arbitrary code on victim's system.
Remediation
Install update from vendor's website.