SB2024020113 - Multiple vulnerabilities in containerd

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Security features bypass (CVE-ID: CVE-2024-21626)

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

The vulnerability exists due to an internal file descriptor leak that can cause a newly-spawned container process (from runc exec) to have a working directory in the host filesystem namespace or a malicious image to allow a container process to gain access to the host filesystem through runc run. A remote attacker can trick the victim into loading a malicious image to bypass sandbox restrictions and execute arbitrary code on the host OS.

2) Resource exhaustion (CVE-ID: CVE-2023-47108)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to grpc Unary Server Interceptor does not properly control consumption of internal resources when processing multiple requests. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.

Remediation

Install update from vendor's website.

References

• https://github.com/containerd/containerd/releases/tag/v1.6.28
• https://github.com/containerd/containerd/releases/tag/v1.7.13