Bug 1845626 (CVE-2020-5410)

Summary:	CVE-2020-5410 spring-cloud-config-server: sending a request using a specially crafted URL can lead to a directory traversal attack
Product:	[Other] Security Response	Reporter:	Guilherme de Almeida Suckevicz <gsuckevi>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	high	Docs Contact:
Priority:	high
Version:	unspecified	CC:	aileenc, chazlett, drieden, ggaughan, gmalinko, janstey, jochrist, jwon
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	spring-cloud-config 2.2.3, spring-cloud-config 2.1.9	Doc Type:	If docs needed, set a value
Doc Text:	A flaw was found in spring-cloud-config in versions prior to 2.1.9 and 2.2.3. Applications are allowed to serve arbitrary configuration files through the spring-cloud-config-server module allowing an attacker to send a request using a specially crafted URL to create a directory traversal attack. The highest threat from this vulnerability is to data confidentiality.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2021-08-11 19:28:22 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:
Bug Blocks:	1845627

Description Guilherme de Almeida Suckevicz 2020-06-09 16:52:53 UTC

Spring Cloud Config, versions 2.2.x prior to 2.2.3, versions 2.1.x prior to 2.1.9, and older unsupported versions allow applications to serve arbitrary configuration files through the spring-cloud-config-server module. A malicious user, or attacker, can send a request using a specially crafted URL that can lead to a directory traversal attack.

Reference:
https://tanzu.vmware.com/security/cve-2020-5410

Comment 4 Chess Hazlett 2020-06-11 18:12:28 UTC

Mitigation:

Users of vulnerable versions or older, unsupported versions of spring-cloud-config-server should upgrade to a patched version. Spring-cloud-config-server should only be accessible on internal networks.

Comment 5 Jonathan Christison 2021-02-15 14:33:36 UTC

Marking Red Hat Fuse 7 as having a low impact, although customers may acquire the affected artifact via the offline manifest, Fuse does not distribute or use the affected artifact directly.

Comment 6 errata-xmlrpc 2021-08-11 18:23:14 UTC

This issue has been addressed in the following products:

  Red Hat Fuse 7.9

Via RHSA-2021:3140 https://access.redhat.com/errata/RHSA-2021:3140

Comment 7 Product Security DevOps Team 2021-08-11 19:28:22 UTC

This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2020-5410