CVE-2019-15651

Severity Score

9.8

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

wolfSSL 4.1.0 has a one-byte heap-based buffer over-read in DecodeCertExtensions in wolfcrypt/src/asn.c because reading the ASN_BOOLEAN byte is mishandled for a crafted DER certificate in GetLength_ex.

wolfSSL versión 4.1.0, presenta una lectura excesiva de búfer en la región heap de la memoria por un byte en la función DecodeCertExtensions en el archivo wolfcrypt/src/asn.c porque la lectura del byte ASN_BOOLEAN no es manejada correctamente por un certificado DER especialmente diseñado en GetLength_ex.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2019-08-26 CVE Reserved
2019-08-26 CVE Published
2023-03-08 EPSS Updated
2024-08-05 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-125: Out-of-bounds Read

CAPEC

References (1)

URL	Tag	Source
https://github.com/wolfSSL/wolfssl/issues/2421	Third Party Advisory

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Wolfssl Search vendor "Wolfssl"		Wolfssl Search vendor "Wolfssl" for product "Wolfssl"				4.1.0 Search vendor "Wolfssl" for product "Wolfssl" and version "4.1.0"		-		Affected