Security features bypass in runc - CVE-2021-30465
Published: May 20, 2021
Vulnerability identifier: #VU53399
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-30465
CWE-ID: CWE-254
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vendor: Open Container Initiative
Affected software:
runc
runc
Detailed vulnerability description
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to the security features bypass issue. A remote authenticated attacker on the local network can perform a symlink exchange attack and host filesystem being bind-mounted into the container.
How to mitigate CVE-2021-30465
Install updates from vendor's website.