CVE-2021-41617

7HIGH

Key Information:

Vendor
OpenBSD
Status
Openssh
Vendor
CVE Published:
26 September 2021

Summary

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

https://www.openssh.com/security.html
https://www.openwall.com/lists/oss-security/2021/09/26/1
https://www.openssh.com/txt/release-8.8

CVSS V3.1

Score:
7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.