AT91bootstrap up to 3.9.1 Authentication Key Memory inadequate encryption

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in AT91bootstrap up to 3.9.1. This impacts an unknown function of the component Authentication Key Handler. Performing a manipulation results in inadequate encryption (Memory). This vulnerability is identified as CVE-2020-11684. The attack is only possible with local access. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in AT91bootstrap up to 3.9.1. This affects some unknown processing of the component Authentication Key Handler. The manipulation with an unknown input leads to a inadequate encryption vulnerability (Memory). CWE is classifying the issue as CWE-326. The product stores or transmits sensitive data using an encryption scheme that is theoretically sound, but is not strong enough for the level of protection required. This is going to have an impact on confidentiality. The summary by CVE is:

AT91bootstrap before 3.9.2 does not properly wipe encryption and authentication keys from memory before passing control to a less privileged software component. This can be exploited to disclose these keys and subsequently encrypt and sign the next boot stage (such as the bootloader).

The weakness was released 09/14/2020. This vulnerability is uniquely identified as CVE-2020-11684 since 04/10/2020. The exploitability is told to be difficult. An attack has to be approached locally. Required for exploitation is a authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1600 for this issue.

Upgrading to version 3.9.2 eliminates this vulnerability.

Entry connected to this vulnerability is available at VDB-161180. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.8
VulDB Meta Temp Score: 5.7

VulDB Base Score: 2.5
VulDB Temp Score: 2.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.1
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Name: Memory
Class: Inadequate encryption / Memory
CWE: CWE-326 / CWE-310
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
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: 🔍

Upgrade: AT91bootstrap 3.9.2

Timelineinfo

04/10/2020 🔍
09/14/2020 +157 days 🔍
09/14/2020 +0 days 🔍
09/14/2020 +0 days 🔍

Sourcesinfo

Status: Not defined

CVE: CVE-2020-11684 (🔍)
GCVE (CVE): GCVE-0-2020-11684
GCVE (VulDB): GCVE-100-161181
See also: 🔍

Entryinfo

Created: 09/14/2020 18:38
Updated: 09/14/2020 18:43
Changes: 09/14/2020 18:38 (39), 09/14/2020 18:43 (17)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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