Dell BSAFE Crypto-C Micro Edition covert timing channel

CVSS Meta Temp Score
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CTI Interest Score
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6.7$0-$5k0.00

A vulnerability, which was classified as problematic, has been found in Dell BSAFE Crypto-C Micro Edition and BSAFE Micro Edition Suite (affected version not known). This issue affects some unknown functionality. The manipulation with an unknown input leads to a covert timing channel vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality. The summary by CVE is:

Dell BSAFE Crypto-C Micro Edition, versions before 4.1.5, and Dell BSAFE Micro Edition Suite, versions before 4.5.2, contain an Observable Timing Discrepancy Vulnerability.

The weakness was published 07/12/2022 as dsa-2020-286. It is possible to read the advisory at dell.com. The identification of this vulnerability is CVE-2020-29506 since 12/03/2020. The technical details are unknown and an exploit is not publicly available.

Upgrading eliminates this vulnerability.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.7

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

NVD Base Score: 9.8
NVD Vector: 🔍

CNA Base Score: 6.8
CNA Vector (Dell): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Covert timing channel
CWE: CWE-385
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/03/2020 🔍
07/12/2022 +585 days 🔍
07/12/2022 +0 days 🔍
07/21/2022 +9 days 🔍

Sourcesinfo

Vendor: dell.com

Advisory: dsa-2020-286
Status: Confirmed

CVE: CVE-2020-29506 (🔍)

Entryinfo

Created: 07/12/2022 13:27
Updated: 07/21/2022 12:58
Changes: 07/12/2022 13:27 (47), 07/21/2022 12:58 (18)
Complete: 🔍

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