VDB-163487 · CVE-2019-16128 · GCVE-0-2019-16128

Microchip CryptoAuthentication Library CryptoAuthLib prior 20191122 buffer overflow

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.
5.9	$0-$5k	0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Microchip CryptoAuthentication Library CryptoAuthLib. Impacted is an unknown function. The manipulation leads to buffer overflow. This vulnerability is uniquely identified as CVE-2019-16128. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Microchip CryptoAuthentication Library CryptoAuthLib (Software Library). This issue affects some unknown functionality. The manipulation with an unknown input leads to a buffer overflow vulnerability. Using CWE to declare the problem leads to CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. Impacted is confidentiality, integrity, and availability.

The weakness was disclosed 10/23/2020. It is possible to read the advisory at census-labs.com. The identification of this vulnerability is CVE-2019-16128. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 20191122 eliminates this vulnerability.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Software Library

Vendor

Microchip

Name

CryptoAuthentication Library CryptoAuthLib

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.1
VulDB Meta Temp Score: 6.0

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Yes
Local: Yes
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: CryptoAuthentication Library CryptoAuthLib 20191122

Timelineinfo

09/08/2019 🔍
10/23/2020 +411 days 🔍
10/23/2020 +0 days 🔍
11/26/2020 +34 days 🔍

Sourcesinfo

Advisory: census-labs.com
Status: Confirmed

CVE: CVE-2019-16128 (🔍)
GCVE (CVE): GCVE-0-2019-16128
GCVE (VulDB): GCVE-100-163487

Entryinfo

Created: 10/23/2020 12:08
Updated: 11/26/2020 13:07
Changes: 10/23/2020 12:08 (36), 11/26/2020 13:01 (2), 11/26/2020 13:07 (18)
Complete: 🔍
Cache ID: 216::103