CVE-2021-41771

Public on 2021-11-08
Modified on 2023-06-19
Description
An out of bounds read vulnerability was found in debug/macho of the Go standard library. When using the debug/macho standard library (stdlib) and malformed binaries are parsed using Open or OpenFat, it can cause golang to attempt to read outside of a slice (array) causing a panic when calling ImportedSymbols. An attacker can use this vulnerability to craft a file which causes an application using this library to crash resulting in a denial of service.
Severity
Medium severity
Medium
CVSS v3 Base Score
7.5
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 1 golang 2022-04-25 ALAS-2022-1583 Fixed
Amazon Linux 2 - Core golang 2022-04-25 ALAS2-2022-1776 Fixed
Amazon Linux 2 - Core golang 2022-07-06 ALAS2-2022-1811 Fixed
Amazon Linux 2 - Golang1.19 Extra golang 2023-08-07 ALAS2GOLANG1.19-2023-002 Fixed
Amazon Linux 2023 golang 2023-02-17 ALAS2023-2023-048 Fixed

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD CVSSv2 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P
NVD CVSSv3 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H