Integer overflow in TigerVNC - CVE-2017-7395

 

Integer overflow in TigerVNC - CVE-2017-7395

Published: April 1, 2017 / Updated: August 8, 2020


Vulnerability identifier: #VU39307
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2017-7395
CWE-ID: CWE-190
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: tigervnc.org
Affected software:
TigerVNC

Detailed vulnerability description

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

In TigerVNC 1.7.1 (SMsgReader.cxx SMsgReader::readClientCutText), by causing an integer overflow, an authenticated client can crash the server.


How to mitigate CVE-2017-7395

Install update from vendor's website.

Sources