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Valvesoftware

Records29All Threatist records
Exploited (KEV)0None in CISA KEV
CVSS critical7CVSS 9.0–10.0
CVSS high15CVSS 7.0–8.9

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Valvesoftware records in CISA KEV

No Valvesoftware vulnerabilities are listed in CISA KEV.

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Records

29 records

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 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
TI-2020-04918 CVE-2020-6018 · GHSA-42qq-mh3v-978m

Buffer overflow in Game Networking Sockets

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
TI-2020-04917 CVE-2020-6017 · GHSA-p7jj-vwwf-c644

Buffer overflow in Game Networking Sockets

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 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 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 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 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
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