VDB-162175 · CVE-2020-25017 · GCVE-0-2020-25017

Envoy up to 1.15.0 Header setCopy HTTP Header privileges management

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.8	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical has been found in Envoy up to 1.15.0. This affects the function setCopy of the component Header Handler. This manipulation as part of HTTP Header causes privileges management. This vulnerability is registered as CVE-2020-25017. No exploit is available.

Detailsinfo

A vulnerability has been found in Envoy up to 1.15.0 and classified as critical. Affected by this vulnerability is the function setCopy of the component Header Handler. The manipulation as part of a HTTP Header leads to a privileges management vulnerability. The CWE definition for the vulnerability is CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Envoy through 1.15.0 only considers the first value when multiple header values are present for some HTTP headers. Envoyâ€™s setCopy() header map API does not replace all existing occurences of a non-inline header.

The weakness was published 10/01/2020. This vulnerability is known as CVE-2020-25017 since 08/29/2020. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Similar entry is available at VDB-162176. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

Envoy

Version

License

free

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.8

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.3
NVD Vector: 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/29/2020 🔍
10/01/2020 +33 days 🔍
10/02/2020 +1 days 🔍
11/15/2020 +44 days 🔍

Sourcesinfo

Status: Not defined

CVE: CVE-2020-25017 (🔍)
GCVE (CVE): GCVE-0-2020-25017
GCVE (VulDB): GCVE-100-162175
See also: 🔍

Entryinfo

Created: 10/02/2020 08:10
Updated: 11/15/2020 14:25
Changes: 10/02/2020 08:10 (36), 10/02/2020 08:15 (3), 11/14/2020 09:36 (5), 11/15/2020 14:25 (14)
Complete: 🔍
Cache ID: 216::103