Service Fabric Privilege Escalation from Containerized Workloads on Linux

2022-06-2807:00:00

Microsoft Security Response Center

msrc.microsoft.com

service fabric

linux

privilege escalation

vulnerability

palo alto networks

microsoft

coordinated vulnerability disclosure

CVSS2

4.6

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:P/I:P/A:P

CVSS3

6.7

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS

0.005

Percentile

77.2%

JSON

Under Coordinated Vulnerability Disclosure (CVD), cloud-security vendor Palo Alto Networks informed Microsoft of an issue affecting Service Fabric (SF) Linux clusters (CVE-2022-30137). The vulnerability enables a bad actor, with access to a compromised container, to escalate privileges and gain control of the resource’s host SF node and the entire cluster.