SB2024112616 - Red Hat Enterprise Linux 8 update for the container-tools:rhel8 module
Published: November 26, 2024
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 secuirty vulnerabilities.
1) Resource management error (CVE-ID: CVE-2021-33198)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper management of internal resources within the application when handling a large exponent to the math/big.Rat SetString or UnmarshalText method. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.
2) Information disclosure (CVE-ID: CVE-2021-4024)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to excessive data output by the application in the "podman machine" function. A remote attacker can gain unauthorized access to sensitive information on the system.
3) UNIX symbolic link following (CVE-ID: CVE-2024-9676)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a symlink following issue when running a malicious image using an automatically assigned user namespace (`--userns=auto` in Podman and Buildah). A local user can create a symbolic link to an arbitrary file on the system, force the library to read it and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.