SUSE update for openssh



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-41617
CWE-ID CWE-269
Exploitation vector Local
Public exploit N/A
Vulnerable software
SUSE OpenStack Cloud Crowbar
Operating systems & Components / Operating system

SUSE Linux Enterprise Server for SAP
Operating systems & Components / Operating system

HPE Helion Openstack
Operating systems & Components / Operating system

SUSE Linux Enterprise Server
Operating systems & Components / Operating system

SUSE OpenStack Cloud
Operating systems & Components / Operating system

openssh-helpers-debuginfo
Operating systems & Components / Operating system package or component

openssh-helpers
Operating systems & Components / Operating system package or component

openssh-fips
Operating systems & Components / Operating system package or component

openssh-debugsource
Operating systems & Components / Operating system package or component

openssh-debuginfo
Operating systems & Components / Operating system package or component

openssh-askpass-gnome-debuginfo
Operating systems & Components / Operating system package or component

openssh-askpass-gnome
Operating systems & Components / Operating system package or component

openssh
Operating systems & Components / Operating system package or component

Vendor SUSE

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Improper Privilege Management

EUVDB-ID: #VU58333

Risk: Low

CVSSv4.0: 4.4 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-41617

CWE-ID: CWE-269 - Improper Privilege Management

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges.

The vulnerability exists due to improper privilege management in sshd, when certain non-default configurations are used, 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. A local user can escalate privileges on the system.

Mitigation

Update the affected package openssh to the latest version.

Vulnerable software versions

SUSE OpenStack Cloud Crowbar: 8

SUSE Linux Enterprise Server for SAP: 12-SP3

HPE Helion Openstack: 8

SUSE Linux Enterprise Server: 12-SP2-BCL - 12-SP3-BCL

SUSE OpenStack Cloud: 8

openssh-helpers-debuginfo: before 7.2p2-74.60.1

openssh-helpers: before 7.2p2-74.60.1

openssh-fips: before 7.2p2-74.60.1

openssh-debugsource: before 7.2p2-74.60.1

openssh-debuginfo: before 7.2p2-74.60.1

openssh-askpass-gnome-debuginfo: before 7.2p2-74.60.1

openssh-askpass-gnome: before 7.2p2-74.60.1

openssh: before 7.2p2-74.60.1

CPE2.3 External links

https://www.suse.com/support/update/announcement/2021/suse-su-20213951-1/


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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