Cloud Foundry Routing prior 0.206.0 HTTP Response unusual condition

CVSS Meta Temp Score
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CTI Interest Score
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6.1$0-$5k0.00

A vulnerability was found in Cloud Foundry Routing (Cloud Software) and classified as problematic. Affected by this issue is an unknown function. The manipulation as part of a HTTP Response leads to a unusual condition vulnerability. Using CWE to declare the problem leads to CWE-754. The product does not check or incorrectly checks for unusual or exceptional conditions that are not expected to occur frequently during day to day operation of the product. Impacted is availability. CVE summarizes:

Cloud Foundry Routing (Gorouter) versions prior to 0.206.0 allow a malicious developer with "cf push" access to cause denial-of-service to the CF cluster by pushing an app that returns specially crafted HTTP responses that crash the Gorouters.

The weakness was shared 09/03/2020 (Website). The advisory is shared for download at cloudfoundry.org. This vulnerability is handled as CVE-2020-5420 since 01/03/2020. The attack may be launched remotely. The successful exploitation requires a simple authentication. There are neither technical details nor an exploit publicly available.

Upgrading to version 0.206.0 eliminates this vulnerability.

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.2

VulDB Base Score: 5.0
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.7
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Unusual condition
CWE: CWE-754
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Cloud Foundry Routing 0.206.0

Timelineinfo

01/03/2020 🔍
09/03/2020 +244 days 🔍
09/03/2020 +0 days 🔍
11/12/2020 +70 days 🔍

Sourcesinfo

Advisory: cloudfoundry.org
Status: Not defined
Confirmation: 🔍

CVE: CVE-2020-5420 (🔍)

Entryinfo

Created: 09/03/2020 16:05
Updated: 11/12/2020 15:38
Changes: 09/03/2020 16:05 (37), 09/03/2020 16:10 (12), 11/11/2020 08:12 (1), 11/12/2020 15:35 (1), 11/12/2020 15:38 (1)
Complete: 🔍
Cache ID: 3:F47:103

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