Vulnerability identifier: #VU74193

Vulnerability risk: Medium

CVSSv3.1: 6.2 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-28642

CWE-ID: CWE-281

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
runc
Client/Desktop applications / Other client software

Vendor: Open Container Initiative

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to improper preservation of permissions in the AppArmor and SELinux when /proc inside the container is symlinked with a specific mount configuration. A remote attacker can gain access to the target application.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

runc: 1.0 rc1 - 1.1.4

---

External links
http://github.com/opencontainers/runc/security/advisories/GHSA-g2j6-57v7-gm8c
http://github.com/opencontainers/runc/pull/3785

---

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.