SB2020022624 - Fedora 31 Modular update for cri-o

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Main Vulnerability Database SB2020022624

SB2020022624 - Fedora 31 Modular update for cri-o

Published: February 26, 2020 Updated: April 25, 2025

Security Bulletin ID SB2020022624
Severity
High
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 50% Medium 50%
  • 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) Resource exhaustion (CVE-ID: CVE-2020-1702)

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

The vulnerability exists due to application reads the entire image manifest file into memory. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack by supplying a huge manifest file.


Remediation

Install update from vendor's website.

References