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CVE-2020-6016

Quick assessment

Affected
n/a Game Networking Sockets
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Valvesoftware ValveSoftware GameNetworkingSockets是美国维尔福（Valvesoftware）公司的一个用于游戏传递数据的传输层支持软件。 Valves Game Networking Sockets 1.2.0之前版本存在安全漏洞，该漏洞源于SNP ReceiveUnreliableSegment()函数中用负偏移不当处理不可靠的段，导致基于堆的缓冲区下流和空闲()的内存不是来自堆，导致内存损坏，甚至可能导致远程代码执行。

AI Predicted 9.8 Difficulty: Easy EPSS 6.00% · P93

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2020-6016

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
释放并不在堆上的内存
Source: CVE Program / CVE List V5
Vulnerability Title
ValveSoftware GameNetworkingSockets 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Valvesoftware ValveSoftware GameNetworkingSockets是美国维尔福（Valvesoftware）公司的一个用于游戏传递数据的传输层支持软件。 Valves Game Networking Sockets 1.2.0之前版本存在安全漏洞，该漏洞源于SNP ReceiveUnreliableSegment()函数中用负偏移不当处理不可靠的段，导致基于堆的缓冲区下流和空闲()的内存不是来自堆，导致内存损坏，甚至可能导致远程代码执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
- Game Networking Sockets All versions prior to v1.2.0 -

II. Public POCs for CVE-2020-6016

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III. Intelligence Information for CVE-2020-6016

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Patches & Fixes for CVE-2020-6016 (1)

Other References for CVE-2020-6016 (1)

Same Patch Batch · n/a · 2020-11-18 · 26 CVEs total

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CVE-2020-26097 Planet NVR-915和Planet NVR-1615 安全漏洞
CVE-2020-26554 reddoxx maildepot 跨站脚本漏洞
CVE-2020-28091 Cxuucms SQL注入漏洞
CVE-2020-28915 Linux kernel 缓冲区错误漏洞
CVE-2020-25406 Lemocms 代码问题漏洞
CVE-2020-24297 TP-Link TL-WPA4220 操作系统命令注入漏洞
CVE-2020-28005 TP-Link TL-WPA4220 缓冲区错误漏洞
CVE-2020-26884 Dell EMC RSA Archer 注入漏洞
CVE-2020-28724 Pallets Werkzeug 输入验证错误漏洞
CVE-2020-7562 Schneider Electric Modicon Quantum和Schneider Electric Modicon M340 缓冲区错误漏洞

Showing top 20 of 26 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Game Networking Sockets
Same vendor: n/a
Same weakness: CWE-590

V. Comments for CVE-2020-6016

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