Priority MEDIUM 41
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.
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.00928 · Published 2023-10-15 · No fix listed CWE-22
Priority MEDIUM 51
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.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.01069 · Published 2023-06-19 · No fix listed CWE-120
Priority LOW 33
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.
CVSS 3.1HIGH 7.3· Local · Low privileges · User interaction · EPSS 0.00219 · Published 2023-05-23 · No fix listed CWE-787
Priority MEDIUM 45
Valve Steam before 2021-04-17, 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.
CVSS 3.1CRITICAL 9.0· Network · Low privileges · User interaction · EPSS 0.03533 · Published 2021-04-10 · No fix listed CWE-120
Priority MEDIUM 48
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 Buffe…
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.03234 · Published 2020-12-03 · Fixed in v1.2.0 CWE-120
Priority MEDIUM 48
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…
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.03234 · Published 2020-12-02 · Fixed in v1.2.0 CWE-120
Priority MEDIUM 51
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 me…
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.06 · Published 2020-11-18 · Fixed in v1.2.0 CWE-590
Priority LOW 38
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 resulti…
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.02791 · Published 2020-11-13 · Fixed in v1.2.0 CWE-248
Priority LOW 35
An issue was discovered in Valve Steam Client 2.10.91.91.
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00545 · Published 2020-07-05 · No fix listed CWE-362
Priority LOW 36
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.
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.01088 · Published 2020-04-27 · No fix listed CWE-78
Priority LOW 38
meshsystem.dll in Valve Dota 2 through 2020-02-17 allows remote attackers to achieve code execution or denial of service by creating a gaming server with a crafted map, and inviting a victim to this server.
CVSS 3.1HIGH 7.8· Local · No auth · User interaction · EPSS 0.02154 · Published 2020-02-17 · No fix listed CWE-787
Priority MEDIUM 41
schemasystem.dll in Valve Dota 2 before 7.23f allows remote attackers to achieve code execution or denial of service by creating a gaming server and inviting a victim to this server, because a crafted map is mishandled d…
CVSS 3.1HIGH 7.8· Local · No auth · User interaction · EPSS 0.04165 · Published 2020-01-27 · No fix listed
Priority LOW 38
meshsystem.dll in Valve Dota 2 before 7.23f allows remote attackers to achieve code execution or denial of service by creating a gaming server and inviting a victim to this server, because a crafted map is mishandled dur…
CVSS 3.1HIGH 7.8· Local · No auth · User interaction · EPSS 0.01907 · Published 2020-01-27 · No fix listed
Priority LOW 38
meshsystem.dll in Valve Dota 2 before 7.23e allows remote attackers to achieve code execution or denial of service by creating a gaming server and inviting a victim to this server, because a crafted map is affected by me…
CVSS 3.1HIGH 7.8· Local · No auth · User interaction · EPSS 0.01868 · Published 2020-01-27 · No fix listed CWE-787
Priority LOW 38
rendersystemdx9.dll in Valve Dota 2 before 7.23f allows remote attackers to achieve code execution or denial of service by creating a gaming server and inviting a victim to this server, because a crafted map is affected…
CVSS 3.1HIGH 7.8· Local · No auth · User interaction · EPSS 0.01868 · Published 2020-01-27 · No fix listed
Priority LOW 35
Valve Steam Client before 2019-09-12 allows placing or appending partially controlled filesystem content, as demonstrated by file modifications on Windows in the context of NT AUTHORITY\SYSTEM.
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00717 · Published 2019-10-04 · No fix listed CWE-22
Priority MEDIUM 49
vphysics.dll in Counter-Strike: Global Offensive before 1.37.1.1 allows remote attackers to achieve code execution or denial of service by creating a gaming server and inviting a victim to this server, because a crafted…
CVSS 3.1HIGH 8.8· Network · No auth · User interaction · EPSS 0.08725 · Published 2019-09-19 · No fix listed CWE-787
Priority LOW 26
In Counter-Strike: Global Offensive before 8/29/2019, community game servers can display unsafe HTML in a disconnection message.
CVSS 3.1MEDIUM 5.3· Network · No auth · No interaction · EPSS 0.00957 · Published 2019-09-05 · No fix listed CWE-116
Priority LOW 31
Valve Steam Client for Windows through 2019-08-20 has weak folder permissions, leading to privilege escalation (to NT AUTHORITY\SYSTEM) via crafted use of CreateMountPoint.exe and SetOpLock.exe to leverage a TOCTOU race…
CVSS 3.0HIGH 7.0· Local · Low privileges · No interaction · EPSS 0.00446 · Published 2019-08-21 · No fix listed CWE-367
Priority LOW 34
Valve Steam Client for Windows through 2019-08-16 allows privilege escalation (to NT AUTHORITY\SYSTEM) because local users can replace the current versions of SteamService.exe and SteamService.dll with older versions tha…
CVSS 3.0HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00409 · Published 2019-08-21 · No fix listed CWE-732
Priority LOW 30
In Valve Steam Client for Windows through 2019-08-07, HKLM\SOFTWARE\Wow6432Node\Valve\Steam has explicit "Full control" for the Users group, which allows local users to gain NT AUTHORITY\SYSTEM access.
CVSS 3.0MEDIUM 6.6· Physical · Low privileges · No interaction · EPSS 0.00616 · Published 2019-08-07 · No fix listed CWE-732
Priority LOW 26
In Valve Steam 1528829181 BETA, it is possible to perform a homograph / homoglyph attack to create fake URLs in the client, which may trick users into visiting unintended web sites.
CVSS 3.0MEDIUM 5.4· Network · No auth · User interaction · EPSS 0.00891 · Published 2019-05-20 · No fix listed CWE-20
Priority MEDIUM 45
An issue was discovered in Valve Steam Link build 643.
CVSS 3.0CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.016 · Published 2017-12-24 · No fix listed CWE-327
Priority MEDIUM 49
An issue was discovered in Valve Steam Link build 643.
CVSS 3.0CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.04102 · Published 2017-12-24 · No fix listed
Priority LOW 23
Valve Steam 3.42.16.13 uses weak permissions for the files in the Steam program directory, which allows local users to modify the files and possibly gain privileges as demonstrated by a Trojan horse Steam.exe file.
CVSS 3.0MEDIUM 4.8· Local · Low privileges · User interaction · EPSS 0.00784 · Published 2017-01-23 · No fix listed CWE-264
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