VDB-141235 · CVE-2019-12586 · GCVE-0-2019-12586

Espressif ESP-IDF/ESP8266_NONOS_SDK EAP Success Message input validation

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.
5.4	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in Espressif ESP-IDF and ESP8266_NONOS_SDK and classified as problematic. The affected element is an unknown function of the component EAP Success Message Handler. This manipulation causes input validation. This vulnerability is registered as CVE-2019-12586. The attack requires access to the local network. No exploit is available.

Detailsinfo

A vulnerability was found in Espressif ESP-IDF and ESP8266_NONOS_SDK (the affected version unknown). It has been declared as problematic. Affected by this vulnerability is an unknown part of the component EAP Success Message Handler. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect availability. The summary by CVE is:

The EAP peer implementation in Espressif ESP-IDF 2.0.0 through 4.0.0 and ESP8266_NONOS_SDK 2.2.0 through 3.1.0 processes EAP Success messages before any EAP method completion or failure, which allows attackers in radio range to cause a denial of service (crash) via a crafted message.

The weakness was published 09/04/2019. This vulnerability is known as CVE-2019-12586 since 06/02/2019. The exploitation appears to be easy. The attack needs to be done within the local network. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available.

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-141236. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Espressif

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.4

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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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: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/02/2019 🔍
09/04/2019 +94 days 🔍
09/05/2019 +1 days 🔍
12/11/2023 +1558 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2019-12586 (🔍)
GCVE (CVE): GCVE-0-2019-12586
GCVE (VulDB): GCVE-100-141235
See also: 🔍

Entryinfo

Created: 09/05/2019 07:19
Updated: 12/11/2023 15:01
Changes: 09/05/2019 07:19 (35), 08/12/2020 12:43 (17), 12/11/2023 15:01 (3)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.