Containers crun privilege escalation | CVE-2022-27650
NAME
Containers crun privilege escalation
- Platforms Affected:
Containers crun 1.4.3 - Risk Level:
8.8 - Exploitability:
Unproven - Consequences:
Gain Privileges
DESCRIPTION
Containers crun could allow a remote authenticated attacker to gain elevated privileges on the system, caused by a flaw with containers started incorrectly with non-empty inheritable Linux process capabilities in Moby (Docker Engine). By sending a specially-crafted request, an authenticated attacker could exploit this vulnerability to elevated inheritable file capabilities to set inheritable file capabilities.
CVSS 3.0 Information
- Privileges Required: Low
- User Interaction: None
- Scope: Unchanged
- Access Vector: Network
- Access Complexity: Low
- Confidentiality Impact: High
- Integrity Impact: High
- Availability Impact: High
- Remediation Level: Official Fix
MITIGATION
Upgrade to the latest version of crun (1.4.4 or later), available from the crun GIT Repository. See References.
- Reference Link:
https://bugzilla.redhat.com/show_bug.cgi?id=2066845 - Reference Link:
https://github.com/containers/crun/commit/1aeeed2e4fdeffb4875c0d0b439915894594c8c6
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