CVE-2021-28041

Related Vulnerabilities: CVE-2021-28041  

ssh-agent in OpenSSH before 8.5 has a double free that may be relevant in a few less-common scenarios, such as unconstrained agent-socket access on a legacy operating system, or the forwarding of an agent to an attacker-controlled host.

Description

The MITRE CVE dictionary describes this issue as:

ssh-agent in OpenSSH before 8.5 has a double free that may be relevant in a few less-common scenarios, such as unconstrained agent-socket access on a legacy operating system, or the forwarding of an agent to an attacker-controlled host.

Statement

This issue doesn't affected any versions of the openssh packaged as shipped with Red Hat Enterprise Linux 6, 7 and 8. The issues was introduced in openssh 8.2 whilst the most recent openssh version available for Red Hat Enterprise Linux 8 is based on openssh 8.0.

This issue doesn't affected any versions of the openssh packaged as shipped with Red Hat Enterprise Linux 6, 7 and 8. The issues was introduced in openssh 8.2 whilst the most recent openssh version available for Red Hat Enterprise Linux 8 is based on openssh 8.0.

Additional Information

  • Bugzilla 1935055: CVE-2021-28041 openssh: double-free memory corruption may lead to arbitrary code execution
  • CWE-416: Use After Free
  • FAQ: Frequently asked questions about CVE-2021-28041