Alibaba Cloud Linux 2.1903 Security Advisory: ALINUX2-SA-2021:0066

Issued: 2021-11-24
Updated: 2021-11-24

Summary

openssh security update

Severity

Moderate

Description

Package updates are available for Alibaba Cloud Linux 2.1903 that fix the following vulnerabilities:

CVE-2021-41617:
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.

References

Updated Packages