VDB-184527 · CVE-2021-38297 · Nessus 236557

Google Go up to 1.16.8/1.17.1 WASM module buffer overflow

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.
5.3	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Google Go up to 1.16.8/1.17.1. It has been rated as critical. This affects an unknown part of the component WASM module. Performing a manipulation results in buffer overflow. This vulnerability is reported as CVE-2021-38297. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as critical has been found in Google Go up to 1.16.8/1.17.1 (Programming Language Software). This affects an unknown function of the component WASM module. The manipulation with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was disclosed 10/18/2021. It is possible to read the advisory at groups.google.com. This vulnerability is uniquely identified as CVE-2021-38297 since 08/09/2021. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 236557 (Alibaba Cloud Linux 3 : 0131: go-toolset:rhel8 (ALINUX3-SA-2022:0131)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 1.16.9 or 1.17.2 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (236557). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Programming Language Software

Vendor

Google

Name

Version

License

open-source

Website

Vendor: https://www.google.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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

Nessus ID: 236557
Nessus Name: Alibaba Cloud Linux 3 : 0131: go-toolset:rhel8 (ALINUX3-SA-2022:0131)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Go 1.16.9/1.17.2

Timelineinfo

08/09/2021 🔍
10/18/2021 +70 days 🔍
10/18/2021 +0 days 🔍
05/21/2025 +1311 days 🔍

Sourcesinfo

Vendor: google.com

Advisory: groups.google.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-38297 (🔍)
GCVE (CVE): GCVE-0-2021-38297
GCVE (VulDB): GCVE-100-184527

Entryinfo

Created: 10/18/2021 13:26
Updated: 05/21/2025 21:20
Changes: 10/18/2021 13:26 (40), 10/22/2021 12:23 (2), 05/21/2025 21:20 (16)
Complete: 🔍
Cache ID: 216::103