CVE-2020-6016
CVSS V2 High 10
CVSS V3 Critical 9.8
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.
Overview
- CVE ID
- CVE-2020-6016
- Assigner
- cve@checkpoint.com
- Vulnerability Status
- Analyzed
- Published Version
- 2020-11-18T15:15:13
- Last Modified Date
- 2022-10-21T19:37:44
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:valvesoftware:game_networking_sockets:*:*:*:*:*:*:*:* | 1 | OR | 1.2.0 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:C/I:C/A:C
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- COMPLETE
- Integrity Impact
- COMPLETE
- Availability Impact
- COMPLETE
- Base Score
- 10
- Severity
- HIGH
- Exploitability Score
- 10
- Impact Score
- 10
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 9.8
- Base Severity
- CRITICAL
- Exploitability Score
- 3.9
- Impact Score
- 5.9
References
| Reference URL | Reference Tags |
|---|---|
| https://github.com/ValveSoftware/GameNetworkingSockets/commit/e0c86dcb9139771db3db0cfdb1fb8bef0af19c43 | Patch Third Party Advisory |
| https://research.checkpoint.com/2020/game-on-finding-vulnerabilities-in-valves-steam-sockets/ |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2020-6016 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6016 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 07:30:39 | Added to TrackCVE | |||
| 2022-12-05 17:00:32 | 2020-11-18T15:15Z | 2020-11-18T15:15:13 | CVE Published Date | updated |
| 2022-12-05 17:00:32 | 2022-10-21T19:37:44 | CVE Modified Date | updated | |
| 2022-12-05 17:00:32 | Analyzed | Vulnerability Status | updated |