Heap overflow

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 remot...

CVE-2020-6016

CVE-2020-6016 affects Valve’s Game Networking Sockets (GNS/Steam Sockets) prior to v1.2.0. The root cause is improper handling of unreliable segments with negative offsets in SNP_ReceiveUnreliableSegment(), causing a heap-based buffer underflow, memory corruption, and a probable remote code execu...

CVE-2020-6016

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 remot...

PT-2020-18891 · Valve · Game Networking Sockets

Name of the Vulnerable Software and Affected Versions: Valve's Game Networking Sockets versions prior to v1.2.0 Description: The issue arises from the improper handling of unreliable segments with negative offsets in the SNP ReceiveUnreliableSegment function, leading to a Heap-Based Buffer...

CVE-2020-6019

Valve's Game Networking Sockets prior to version v1.2.0 improperly handles inlined statistics messages in function CConnectionTransportUDPBase::ReceivedData, leading to an exception thrown from libprotobuf and resulting in a crash...

CVE-2020-6019

Valve's Game Networking Sockets prior to version v1.2.0 improperly handles inlined statistics messages in function CConnectionTransportUDPBase::ReceivedData, leading to an exception thrown from libprotobuf and resulting in a crash...

Design/Logic Flaw

Valve's Game Networking Sockets prior to version v1.2.0 improperly handles inlined statistics messages in function CConnectionTransportUDPBase::ReceivedData, leading to an exception thrown from libprotobuf and resulting in a crash...

CVE-2020-6019

Valve's Game Networking Sockets/Steam Sockets before v1.2.0 contains a vulnerability in CConnectionTransportUDPBase::Received_Data() where inlined statistics messages trigger a libprotobuf exception, causing a crash. Affected component appears in both Steam server and client code paths per multip...

CVE-2020-6019

Valve's Game Networking Sockets prior to version v1.2.0 improperly handles inlined statistics messages in function CConnectionTransportUDPBase::ReceivedData, leading to an exception thrown from libprotobuf and resulting in a crash...

PT-2020-18894 · Google +1 · Libprotobuf +1

Name of the Vulnerable Software and Affected Versions: Valve's Game Networking Sockets versions prior to v1.2.0 Description: The issue arises from improper handling of inlined statistics messages in the CConnectionTransportUDPBase::Received Data function, leading to an exception thrown from...

Valve: Add any depot to your app and access its contents without decryption key; via /apps/setcommonredists

The summary is: A parameter-validation error on an endpoint used to configure redistributable depots allowed external depots to be added to an existing app without the required decryption key...

Valve: Access to microtransaction sales data for lots of apps from 2014 to present at /valvefinance/sanity/

The Steamworks Product Data web site had an URL route with insufficient access controls, which would allow an authenticated partner to view data for games which they might not otherwise have permissions to view. After mitigation, an audit of accesses to this URL route showed no accesses by partie...

Valve: Add apps to packages 0, 61, 62 with /store/ajaxpackagemerge

The ajaxpackagemerge API incorrectly allowed partners to add their own apps to certain Valve administrative packages. This can be further leveraged to generate CD key ranges for these administrative packages. The API access control was corrected...

valve-catalog.com Cross Site Scripting vulnerability OBB-1293024

Following coordinated and responsible vulnerability disclosure guidelines of the ISO 29147 standard, Open Bug Bounty has: &nbsp&nbsp&nbsp&nbsp&nbsp&nbspa. verified the vulnerability and confirmed its existence; &nbsp&nbsp&nbsp&nbsp&nbsp&nbspb. notified the website operator about its existence...

petersmithvalve.co.uk Cross Site Scripting vulnerability OBB-1276434

Following coordinated and responsible vulnerability disclosure guidelines of the ISO 29147 standard, Open Bug Bounty has: &nbsp&nbsp&nbsp&nbsp&nbsp&nbspa. verified the vulnerability and confirmed its existence; &nbsp&nbsp&nbsp&nbsp&nbsp&nbspb. notified the website operator about its existence...

Valve: Shell command injection in https://partner.steamgames.com/admin/game/publish/ via screenshot URL

Shell command injection in https://partner.steamgames.com/admin/game/publish/ via screenshot URL The vulnerability allowed insufficient validation of parameters, which permitted the injection of shell metacharacters into values used to construct a Bash command...

Valve: Shell command injection in https://partner.steamgames.com/bundles/savestore/ via overwriting asset_path_identifier

Shell command injection in https://partner.steamgames.com/bundles/savestore/ via overwriting assetpathidentifier. Insufficient validation of parameters allowed injecting shell metacharacters into values used to construct a Bash command...

Valve Steam Client has an unspecified vulnerability

Valve Steam is a suite of game distribution management platforms from Valve Corporation in the United States. The platform provides digital rights management, multiplayer, streaming, and social networking services. A security vulnerability exists in Valve Steam Client version 2.10.91.91, which ca...

CVE-2020-15530

An issue was discovered in Valve Steam Client 2.10.91.91. The installer allows local users to gain NT AUTHORITY\SYSTEM privileges because some parts of %PROGRAMFILESX86%\Steam and/or %COMMONPROGRAMFILESX86%\Steam have weak permissions during a critical time window. An attacker can make this time...

CVE-2020-15530

An issue was discovered in Valve Steam Client 2.10.91.91. The installer allows local users to gain NT AUTHORITY\SYSTEM privileges because some parts of %PROGRAMFILESX86%\Steam and/or %COMMONPROGRAMFILESX86%\Steam have weak permissions during a critical time window. An attacker can make this time...