Denial of service in Go programming language



Published: 2022-03-10
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-24921
CWE-ID CWE-185
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Go programming language
Universal components / Libraries / Scripting languages

Vendor Google

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Incorrect Regular Expression

EUVDB-ID: #VU61227

Risk: Medium

CVSSv3.1:

CVE-ID: CVE-2022-24921

CWE-ID: CWE-185 - Incorrect Regular Expression

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to an error in regexp.Compile in Go. A remote attacker can pass specially crafted input to the application and perform regular expression denial of service (ReDoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Go programming language: 1.17 - 1.17.7, 1.16 - 1.16.14


CPE2.3 External links

http://groups.google.com/g/golang-announce/c/RP1hfrBYVuk
http://go.dev/issue/51112

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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