#VU77529 Permissions, Privileges, and Access Controls in Go programming language - CVE-2023-29403

Vulnerability identifier: #VU77529

Vulnerability risk: Medium

CVSSv4.0: 7.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-29403

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 compromise the affected system.

The vulnerability exists within Go runtime due to application allows to execute setuid/setgid binaries without any restrictions. An attacker with ability to control the application flow can execute arbitrary code on the system with elevated privileges.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Go programming language: 1.0 - 1.0.3, 1.1 - 1.19.9, 1.2 - 1.20.4, 1.3 - 1.3.3, 1.4 - 1.4.3, 1.5 - 1.5.4, 1.6 - 1.6.4, 1.7 - 1.7.6, 1.8 - 1.8.7, 1.9 - 1.9.7

---

External links
https://groups.google.com/g/golang-announce/c/q5135a9d924/m/j0ZoAJOHAwAJ
https://pkg.go.dev/vuln/GO-2023-1840
https://go.dev/cl/501223
https://go.dev/issue/60272

---

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.