VDB-203556 · CVE-2020-35164 · dsa-2020-286

Dell BSAFE Crypto-C Micro Edition covert timing 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.
6.4	$0-$5k	0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Dell BSAFE Crypto-C Micro Edition and BSAFE Micro Edition Suite. Affected by this issue is some unknown functionality. The manipulation results in covert timing channel. This vulnerability is identified as CVE-2020-35164. The attack is only possible with local access. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Dell BSAFE Crypto-C Micro Edition and BSAFE Micro Edition Suite (the affected version unknown). Affected is an unknown part. The manipulation with an unknown input leads to a covert timing channel vulnerability. CWE is classifying the issue as CWE-385. Covert timing channels convey information by modulating some aspect of system behavior over time, so that the program receiving the information can observe system behavior and infer protected information. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Dell BSAFE Crypto-C Micro Edition, versions before 4.1.5, and Dell BSAFE Micro Edition Suite, versions before 4.6, contain an Observable Timing Discrepancy Vulnerability.

The weakness was released 07/12/2022 as dsa-2020-286. The advisory is shared for download at dell.com. This vulnerability is traded as CVE-2020-35164 since 12/11/2020. There are neither technical details nor an exploit publicly available.

Upgrading eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Dell

Name

License

commercial

Website

Vendor: https://www.dell.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.4

VulDB Base Score: 4.5
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.1
NVD Vector: 🔍

CNA Base Score: 6.7
CNA Vector (Dell): 🔍

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: Covert timing channel
CWE: CWE-385
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

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: 🔍

Timelineinfo

12/11/2020 🔍
07/12/2022 +577 days 🔍
07/12/2022 +0 days 🔍
07/21/2022 +9 days 🔍

Sourcesinfo

Vendor: dell.com

Advisory: dsa-2020-286
Status: Confirmed

CVE: CVE-2020-35164 (🔍)
GCVE (CVE): GCVE-0-2020-35164
GCVE (VulDB): GCVE-100-203556

Entryinfo

Created: 07/12/2022 13:29
Updated: 07/21/2022 13:06
Changes: 07/12/2022 13:29 (47), 07/21/2022 13:06 (18)
Complete: 🔍
Cache ID: 216::103