#VU63173 Permissions, Privileges, and Access Controls in Go programming language


Published: 2022-05-14 | Updated: 2022-07-20

Vulnerability identifier: #VU63173

Vulnerability risk: Low

CVSSv3.1: 3.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

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: 1.18 - 1.18.1, 1.17 - 1.17.9


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


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.


Latest bulletins with this vulnerability