Main Vulnerability Database Vulnerabilities #VU12994

Memory corruption in Cisco TelePresence Video Communication Server and Cisco Expressway - CVE-2017-3790

Published: January 25, 2017 / Updated: May 23, 2018

Vulnerability identifier: #VU12994

CSH Severity: Medium

CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2017-3790

CWE-ID: CWE-119

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to boundary error when processing h323 calls. A remote unauthenticated attacker can initiate connection to the vulnerable service, send specially crafted h224 data in Real-Time Transport Protocol (RTP) packets, trigger memory corruption and h323 call parser and crash the service.

Successful exploitation of the vulnerability requires that the attacker can send network packets to h323 interface.

Affected software

Cisco TelePresence Video Communication Server
Cisco Expressway

How to mitigate CVE-2017-3790

Update to version X8.8.2.

External References

Related Security Bulletins