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Amazon Linux AMI: CVE-2021-41617: Security patch for openssh (ALAS-2022-1565)

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Amazon Linux AMI: CVE-2021-41617: Security patch for openssh (ALAS-2022-1565)

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
09/26/2021
Created
02/24/2022
Added
02/19/2022
Modified
10/14/2022

Description

sshd in OpenSSH 6.2 through 8.x before 8.8, when certain non-default configurations are used, allows privilege escalation because supplemental groups are not initialized as expected. Helper programs for AuthorizedKeysCommand and AuthorizedPrincipalsCommand may run with privileges associated with group memberships of the sshd process, if the configuration specifies running the command as a different user.

Solution(s)

  • amazon-linux-upgrade-openssh

References

  • ALAS-2022-1565
  • CVE-2021-41617
  • USN-5666-1

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