Fletcher Dunn

4 exploits Active since Nov 2020
CVE-2020-6016 WRITEUP CRITICAL WRITEUP
Valve's Game Networking Sockets <v1.2.0 - RCE
Valve's Game Networking Sockets prior to version v1.2.0 improperly handles unreliable segments with negative offsets in function SNP_ReceiveUnreliableSegment(), 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.
CVSS 9.8
CVE-2020-6017 WRITEUP CRITICAL WRITEUP
Valve's Game Networking Sockets < v1.2.0 - Buffer Overflow
Valve's Game Networking Sockets prior to version v1.2.0 improperly handles long unreliable segments in function SNP_ReceiveUnreliableSegment() when configured to support plain-text messages, leading to a Heap-Based Buffer Overflow and resulting in a memory corruption and possibly even a remote code execution.
CVSS 9.8
CVE-2020-6018 WRITEUP CRITICAL WRITEUP
Valve's Game Networking Sockets <v1.2.0 - Memory Corruption
Valve's Game Networking Sockets prior to version v1.2.0 improperly handles long encrypted messages in function AES_GCM_DecryptContext::Decrypt() when compiled using libsodium, leading to a Stack-Based Buffer Overflow and resulting in a memory corruption and possibly even a remote code execution.
CVSS 9.8
CVE-2020-6019 WRITEUP HIGH WRITEUP
Valve's Game Networking Sockets <v1.2.0 - Memory Corruption
Valve's Game Networking Sockets prior to version v1.2.0 improperly handles inlined statistics messages in function CConnectionTransportUDPBase::Received_Data(), leading to an exception thrown from libprotobuf and resulting in a crash.
CVSS 7.5