Out-of-bounds write in Game Networking Sockets - CVE-2020-6016

 

Out-of-bounds write in Game Networking Sockets - CVE-2020-6016

Published: November 18, 2020 / Updated: December 11, 2020


Vulnerability identifier: #VU48926
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-6016
CWE-ID: CWE-787
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 a boundary error when processing untrusted input within the SNP_ReceiveUnreliableSegment() function. A remote attacker can send specially crafted packets to the application, trigger an out-of-bounds write and execute arbitrary code on the target system.


Affected software

Game Networking Sockets

How to mitigate CVE-2020-6016

Install updates from vendor's website.

Game Networking Sockets - update to 1.2.0

Links to Public Exploits and PoC-codes

External References

Related Security Bulletins