Insecure DLL loading in Cisco Webex Teams - CVE-2019-1636

 

Insecure DLL loading in Cisco Webex Teams - CVE-2019-1636

Published: January 23, 2019 / Updated: June 17, 2021


Vulnerability identifier: #VU17205
CSH Severity: High
CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-1636
CWE-ID: CWE-427
Exploitation vector: Remote access
Exploit availability: Public exploit is available

Vulnerability details

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to insecure .dll loading mechanism when opening files. A remote attacker can place a file along with specially crafted .dll file on a remote SBM or WebDAV share, trick the victim into opening it and execute arbitrary code on the target system with privileges of the current victim.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.


Affected software

Cisco Webex Teams

How to mitigate CVE-2019-1636

Update to version 3.0.10260.0.

Cisco Webex Teams - update to 3.0.10260.0

Links to Public Exploits and PoC-codes

External References

Related Security Bulletins