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FreeBSD: VID-76B5068C-8436-11EB-9469-080027F515EA (CVE-2021-28041): OpenSSH -- Double-free memory corruption in ssh-agent

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FreeBSD: VID-76B5068C-8436-11EB-9469-080027F515EA (CVE-2021-28041): OpenSSH -- Double-free memory corruption in ssh-agent

Severity
5
CVSS
(AV:N/AC:H/Au:S/C:P/I:P/A:P)
Published
03/03/2021
Created
03/23/2021
Added
03/19/2021
Modified
03/19/2021

Description

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.

Solution(s)

  • freebsd-upgrade-package-openssh-portable
  • freebsd-upgrade-package-openssh-portable-gssapi
  • freebsd-upgrade-package-openssh-portable-hpn

References

  • CVE-2021-28041
  • USN-4762-1

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