Vulnerabilities > Valvesoftware

DATE CVE VULNERABILITY TITLE RISK
2023-10-15 CVE-2023-38312 Path Traversal vulnerability in Valvesoftware Counter-Strike 8684
A directory traversal vulnerability in Valve Counter-Strike 8684 allows a client (with remote control access to a game server) to read arbitrary files from the underlying server via the motdfile console variable.
network
low complexity
valvesoftware CWE-22
7.5
2023-06-19 CVE-2023-35855 Classic Buffer Overflow vulnerability in Valvesoftware Counter-Strike
A buffer overflow in Counter-Strike through 8684 allows a game server to execute arbitrary code on a remote client's machine by modifying the lservercfgfile console variable.
network
low complexity
valvesoftware CWE-120
critical
9.8
2023-05-23 CVE-2023-30382 Out-of-bounds Write vulnerability in Valvesoftware Half-Life
A buffer overflow in the component hl.exe of Valve Half-Life up to 5433873 allows attackers to execute arbitrary code and escalate privileges by supplying crafted parameters.
local
low complexity
valvesoftware CWE-787
7.3
2021-04-10 CVE-2021-30481 Classic Buffer Overflow vulnerability in Valvesoftware Steam Client
Valve Steam through 2021-04-10, when a Source engine game is installed, allows remote authenticated users to execute arbitrary code because of a buffer overflow that occurs for a Steam invite after one click.
6.0
2020-12-03 CVE-2020-6017 Out-of-bounds Write vulnerability in Valvesoftware Game Networking Sockets 1.0.0/1.1.0
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.
network
low complexity
valvesoftware CWE-787
7.5
2020-12-02 CVE-2020-6018 Out-of-bounds Write vulnerability in Valvesoftware Game Networking Sockets 1.0.0/1.1.0
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.
network
low complexity
valvesoftware CWE-787
7.5
2020-11-18 CVE-2020-6016 Out-of-bounds Write vulnerability in Valvesoftware Game Networking Sockets 1.0.0/1.1.0
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.
network
low complexity
valvesoftware CWE-787
critical
9.8
2020-11-13 CVE-2020-6019 Unspecified vulnerability in Valvesoftware Game Networking Sockets 1.0.0/1.1.0
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.
network
low complexity
valvesoftware
7.5
2020-07-05 CVE-2020-15530 Improper Privilege Management vulnerability in Valvesoftware Steam Client 2.10.91.91
An issue was discovered in Valve Steam Client 2.10.91.91.
local
low complexity
valvesoftware CWE-269
7.2
2020-04-27 CVE-2020-12242 Improper Privilege Management vulnerability in Valvesoftware Source
Valve Source allows local users to gain privileges by writing to the /tmp/hl2_relaunch file, which is later executed in the context of a different user account.
local
low complexity
valvesoftware CWE-269
7.2