Multiple vulnerabilities in Go programming language

Published: 2022-07-15 | Updated: 2023-03-21

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2022-30634 CVE-2022-29804
CWE-ID	CWE-835 CWE-22
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 information about 2 vulnerabilities.

1) Infinite loop

EUVDB-ID: #VU73870

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-30634

CWE-ID: CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')

Exploit availability: No

Description

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

The vulnerability exists due to infinite loop in crypto/rand on Windows when handling buffer larger than 1 << 32 - 1 bytes. A remote attacker can consume all available system resources and cause denial of service conditions.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Go programming language: 1.17 - 1.18.2

External links

http://groups.google.com/g/golang-announce/c/TzIC9-t8Ytg/m/IWz5T6x7AAAJ
http://go.dev/cl/402257
http://go.googlesource.com/go/+/bb1f4416180511231de6d17a1f2f55c82aafc863
http://go.dev/issue/52561
http://pkg.go.dev/vuln/GO-2022-0477

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Path traversal

EUVDB-ID: #VU73872

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-29804

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')