wolfSSL up to 4.2.x wc_ecc_mulmod_ex covert channel

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.
4.4$0-$5k0.00

Summaryinfo

A vulnerability was found in wolfSSL up to 4.2.x. It has been declared as critical. This impacts the function wc_ecc_mulmod_ex. Executing a manipulation can lead to covert channel. This vulnerability is handled as CVE-2019-19960. The attack can be executed remotely. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in wolfSSL up to 4.2.x. It has been declared as problematic. This vulnerability affects the function wc_ecc_mulmod_ex. The manipulation with an unknown input leads to a covert channel vulnerability. The CWE definition for the vulnerability is CWE-514. A covert channel is a path that can be used to transfer information in a way not intended by the system's designers. As an impact it is known to affect confidentiality. CVE summarizes:

In wolfSSL before 4.3.0, wc_ecc_mulmod_ex does not properly resist side-channel attacks.

The weakness was released 12/25/2019. This vulnerability was named CVE-2019-19960 since 12/24/2019. The exploitation appears to be difficult. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are known, but there is no available exploit.

Upgrading to version 4.3.0 eliminates this vulnerability.

Entries connected to this vulnerability are available at VDB-147708 and VDB-147707. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.5
VulDB Meta Temp Score: 4.4

VulDB Base Score: 3.7
VulDB Temp Score: 3.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Covert channel
CWE: CWE-514
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: wolfSSL 4.3.0
Patch: github.com

Timelineinfo

12/24/2019 🔍
12/25/2019 +1 days 🔍
12/25/2019 +0 days 🔍
03/17/2024 +1544 days 🔍

Sourcesinfo

Product: github.com

Advisory: 5ee9f9c7a23f8ed093fe1e42bc540727e96cebb8
Status: Not defined

CVE: CVE-2019-19960 (🔍)
GCVE (CVE): GCVE-0-2019-19960
GCVE (VulDB): GCVE-100-147706
See also: 🔍

Entryinfo

Created: 12/25/2019 10:02
Updated: 03/17/2024 07:00
Changes: 12/25/2019 10:02 (38), 12/25/2019 10:07 (17), 03/17/2024 07:00 (7)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Discussion

No comments yet. Languages: en.

Please log in to comment.

Want to know what is going to be exploited?

We predict KEV entries!