#VU63173 Permissions, Privileges, and Access Controls in Go programming language - CVE-2022-29526

Vulnerability identifier: #VU63173

Vulnerability risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-29526

CWE-ID: CWE-264

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Go programming language
Universal components / Libraries / Scripting languages

Vendor: Google

Description

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to the Faccessat function can incorrectly report that a file is accessible, when called with a non-zero flags parameter. An attacker can bypass implemented security restrictions.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Go programming language: 1.17 - 1.18.1

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External links
https://groups.google.com/g/golang-announce/c/Y5qrqw_lWdU
https://go.dev/issue/52313
https://bugzilla.redhat.com/show_bug.cgi?id=2084085

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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.