Denial of service in Go programming language



Published: 2021-11-08 | Updated: 2022-08-04
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-41772
CWE-ID CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		Go programming language
Universal components / Libraries / Scripting languages

Vendor Google

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Input validation error

EUVDB-ID: #VU66120

Risk: Medium

CVSSv3.1:

CVE-ID: CVE-2021-41772

CWE-ID: CWE-20 - Improper Input Validation

Exploit availability: No

Description

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

The vulnerability exists due to insufficient validation of user-supplied input in archive/zip Reader.Open. A remote attacker can pass specially crafted ZIP archive containing an invalid name or an empty filename field to the application and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Go programming language: 1.17 - 1.17.2, 1.16 - 1.16.9

CPE2.3 External links

http://groups.google.com/g/golang-announce/c/0fM21h43arc
http://security.netapp.com/advisory/ntap-20211210-0003/
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4OFS3M3OFB24SWPTIAPARKGPUMQVUY6Z/
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ON7BQRRJZBOR5TJHURBAB3WLF4YXFC6Z/
http://www.oracle.com/security-alerts/cpujul2022.html
http://security.gentoo.org/glsa/202208-02

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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