SB2020051313 - Red Hat Enterprise Linux 7 Extras update for podman
Published: May 13, 2020
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 secuirty vulnerabilities.
1) Use-after-free (CVE-ID: CVE-2020-8945)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error, as demonstrated by use for container image pulls by Docker or CRI-O. A remote attacker can crash the target system, or cause potential code execution for Go applications that use this library under certain conditions during GPG signature verification.
2) Path traversal (CVE-ID: CVE-2020-10696)
The vulnerability allows a remote attacker to perform directory traversal attacks.
The vulnerability exists due to input validation error when processing directory traversal sequences. A remote attacker can trick a victim to build a malicious container image hosted on an HTTP(s) server and then write files to the user's system anywhere that the user has permissions.
Remediation
Install update from vendor's website.