Envoy 1.12.4/1.13.2/1.14.2 HTTP 1.1 Long URL resource consumption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.9$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Envoy 1.12.4/1.13.2/1.14.2. This vulnerability affects unknown code of the component HTTP 1.1 Handler. The manipulation as part of Long URL leads to resource consumption. This vulnerability is listed as CVE-2020-12605. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability was found in Envoy 1.12.4/1.13.2/1.14.2 and classified as problematic. This issue affects some unknown functionality of the component HTTP 1.1 Handler. The manipulation as part of a Long URL leads to a resource consumption vulnerability. Using CWE to declare the problem leads to 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. Impacted is availability. The summary by CVE is:

Envoy version 1.14.2, 1.13.2, 1.12.4 or earlier may consume excessive amounts of memory when processing HTTP/1.1 headers with long field names or requests with long URLs.

The weakness was presented 07/01/2020 (GitHub Repository). It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2020-12605 since 05/01/2020. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1499 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.

See VDB-157522 and VDB-157521 for similar entries. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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: 6.2

VulDB Base Score: 5.3
VulDB Temp Score: 4.9
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

05/01/2020 🔍
07/01/2020 +61 days 🔍
07/02/2020 +1 days 🔍
10/28/2020 +118 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2020-12605 (🔍)
GCVE (CVE): GCVE-0-2020-12605
GCVE (VulDB): GCVE-100-157523
See also: 🔍

Entryinfo

Created: 07/02/2020 15:23
Updated: 10/28/2020 11:01
Changes: 07/02/2020 15:23 (38), 07/02/2020 15:28 (17), 10/28/2020 11:01 (1)
Complete: 🔍
Cache ID: 216::103

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