Vulnerability CVE-2020-9301

Vulnerability Name:

CVE-2020-9301 (CCN-192993)

Assigned:

2020-12-09

Published:

2020-12-09

Updated:

2020-12-14

Summary:

Nolan Ray from Apple Information Security identified a security vulnerability in Spinnaker, all versions prior to version 1.23.4, 1.22.4 or 1.21.5. The vulnerability exists within the handling of SpEL expressions that allows an attacker to read and write arbitrary files within the orca container via authenticated HTTP POST requests.

CVSS v3 Severity:

8.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
7.7 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): Low User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): High Integrity (I): High Availibility (A): High

9.1 Critical (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N)
7.9 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): High Integrity (I): High Availibility (A): None

CVSS v2 Severity:

6.5 Medium (CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:P/A:P)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Authentication (Au): Single_Instance
Impact Metrics:	Confidentiality (C): Partial Integrity (I): Partial Availibility (A): Partial

9.4 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:C/I:C/A:N)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Athentication (Au): None
Impact Metrics:	Confidentiality (C): Complete Integrity (I): Complete Availibility (A): None

Vulnerability Type:

CWE-502

Vulnerability Consequences:

Bypass Security

References:

Source: MITRE
Type: CNA
CVE-2020-9301

Source: XF
Type: UNKNOWN
spinnaker-cve20209301-sec-bypass(192993)

Source: CCN
Type: NFLX-2020-006
SpEL Template injection on Netflix Spinnaker

Source: CONFIRM
Type: Patch, Third Party Advisory
https://github.com/Netflix/security-bulletins/blob/master/advisories/nflx-2020-006.md

Source: CCN
Type: Spinnaker Web site
Spinnaker

Vulnerable Configuration:

Configuration 1:

cpe:/a:linuxfoundation:spinnaker:*:*:*:*:*:*:*:* (Version < 1.21.5)

OR cpe:/a:linuxfoundation:spinnaker:*:*:*:*:*:*:*:* (Version >= 1.22.0 and < 1.22.4)

OR cpe:/a:linuxfoundation:spinnaker:*:*:*:*:*:*:*:* (Version >= 1.23.0 and < 1.23.4)

Denotes that component is vulnerable

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