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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
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CVSS v3 Base Score
7.5
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Affected Packages

Platform Package Release Date Advisory
Amazon Linux 1 golang 2022-04-25 15:59 ALAS-2022-1583
Amazon Linux 2 - Core golang 2022-04-25 03:47 ALAS2-2022-1776
Amazon Linux 2 - Core golang 2022-07-06 03:11 ALAS2-2022-1811
Amazon Linux 2 - Golang1.19 Extra golang 2023-08-07 05:59 ALAS2GOLANG1.19-2023-002
Amazon Linux 2023 golang 2023-02-17 20:45 ALAS2023-2023-048

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