VDB-165118 · CVE-2020-6016 · GCVE-0-2020-6016

Valve Game Networking Sockets up to 1.1.x Negative Offset SNP_ReceiveUnreliableSegment memory corruption

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.7	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Valve Game Networking Sockets up to 1.1.x. This affects the function SNP_ReceiveUnreliableSegment of the component Negative Offset Handler. Executing a manipulation can lead to memory corruption. This vulnerability appears as CVE-2020-6016. The attack may be performed from remote. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability has been found in Valve Game Networking Sockets up to 1.1.x and classified as critical. This vulnerability affects the function SNP_ReceiveUnreliableSegment of the component Negative Offset Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was presented 11/19/2020 as e0c86dcb9139771db3db0cfdb1fb8bef0af19c43. The advisory is available at github.com. This vulnerability was named CVE-2020-6016. Technical details are known, but there is no available exploit.

Upgrading to version 1.2.0 eliminates this vulnerability.

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Productinfo

Vendor

Valve

Name

Game Networking Sockets

Version

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.9

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Game Networking Sockets 1.2.0

Timelineinfo

01/07/2020 🔍
11/19/2020 +317 days 🔍
11/19/2020 +0 days 🔍
12/08/2020 +19 days 🔍

Sourcesinfo

Advisory: e0c86dcb9139771db3db0cfdb1fb8bef0af19c43
Status: Confirmed

CVE: CVE-2020-6016 (🔍)
GCVE (CVE): GCVE-0-2020-6016
GCVE (VulDB): GCVE-100-165118

Entryinfo

Created: 11/19/2020 06:35
Updated: 12/08/2020 20:46
Changes: 11/19/2020 06:35 (40), 12/08/2020 20:41 (5), 12/08/2020 20:46 (18)
Complete: 🔍
Cache ID: 216::103