Envoy up to 1.11.1 Path Header Regular Expression resource consumption

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Envoy up to 1.11.1. The impacted element is an unknown function of the component Path Header Handler. The manipulation as part of Regular Expression results in resource consumption. This vulnerability is cataloged as CVE-2019-15225. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in Envoy up to 1.11.1. It has been classified as problematic. Affected is an unknown code block of the component Path Header Handler. The manipulation as part of a Regular Expression leads to a resource consumption vulnerability. CWE is classifying the issue as CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. This is going to have an impact on availability. CVE summarizes:

In Envoy through 1.11.1, users may configure a route to match incoming path headers via the libstdc++ regular expression implementation. A remote attacker may send a request with a very long URI to result in a denial of service (memory consumption). This is a related issue to CVE-2019-14993.

The weakness was shared 08/19/2019. This vulnerability is traded as CVE-2019-15225 since 08/19/2019. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.

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

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Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.4

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

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Resource consumption
CWE: CWE-400 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/19/2019 🔍
08/19/2019 +0 days 🔍
08/20/2019 +1 days 🔍
11/27/2023 +1560 days 🔍

Sourcesinfo

Advisory: 7728
Status: Not defined

CVE: CVE-2019-15225 (🔍)
GCVE (CVE): GCVE-0-2019-15225
GCVE (VulDB): GCVE-100-140334

Entryinfo

Created: 08/20/2019 07:19
Updated: 11/27/2023 07:28
Changes: 08/20/2019 07:19 (35), 07/31/2020 17:04 (17), 11/27/2023 07:28 (4)
Complete: 🔍
Cache ID: 216::103

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