CVE-2020-6016: Critical severity valvesoftware game networking sockets vulnerability
Valve's Game Networking Sockets prior to version v1.2.0 improperly handles unreliable segments with negative offsets in function SNPReceiveUnreliableSegment(), leading to a Heap-Based Buffer Underflow and a free() of memory not from the heap, resulting in a memory corruption and probably even a remote code execution.
Affected Software
Remediation
Event History
Frequently Asked Questions
What is CVE-2020-6016?
CVE-2020-6016 is a vulnerability in Valve's Game Networking Sockets prior to version v1.2.0 that improperly handles unreliable segments with negative offsets, leading to a Heap-Based Buffer Underflow and a memory corruption.
What is the severity of CVE-2020-6016?
The severity of CVE-2020-6016 is critical with a CVSS score of 9.8.
How does CVE-2020-6016 affect Valvesoftware Game Networking Sockets?
CVE-2020-6016 affects Valvesoftware Game Networking Sockets versions before v1.2.0.
How can CVE-2020-6016 be exploited?
CVE-2020-6016 can be exploited by sending unreliable segments with negative offsets, leading to a Heap-Based Buffer Underflow and memory corruption.
Is there a fix available for CVE-2020-6016?
Yes, the fix for CVE-2020-6016 is available in version v1.2.0 of Valve's Game Networking Sockets.