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.

Summary:

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.

Reference Links(if available):

  • https://github.com/openssh/openssh-portable/commit/e04fd6dde16de1cdc5a4d9946397ff60d96568db
  • https://www.openssh.com/txt/release-8.5
  • https://www.openwall.com/lists/oss-security/2021/03/03/1
  • https://www.openssh.com/security.html
  • https://lists.fedoraproject.org/archives/list/[email protected]/message/TXST2CML2MWY3PNVUXX7FFJE3ATJMNVZ/
  • CVSS Score (if available)

    v2: / MEDIUMAV:N/AC:H/Au:S/C:P/I:P/A:P

    v3: / HIGHCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H

    Links to Exploits(if available)