Linux Foundation zephyr 1.14.2/2.4.0/2.5.0 Key Distribution multiple resources with duplicate identifier
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.2 | $0-$5k | 0.00 |
Summary
A vulnerability marked as problematic has been reported in Linux Foundation zephyr 1.14.2/2.4.0/2.5.0. This affects an unknown function of the component Key Distribution Handler. Performing a manipulation results in an unknown weakness. This vulnerability was named CVE-2021-3436. The attack needs to be approached within the local network. There is no available exploit. It is suggested to upgrade the affected component.
Details
A vulnerability, which was classified as problematic, was found in Linux Foundation zephyr 1.14.2/2.4.0/2.5.0. This affects an unknown code of the component Key Distribution Handler. CWE is classifying the issue as CWE-694. The product uses multiple resources that can have the same identifier, in a context in which unique identifiers are required. This is going to have an impact on availability.
The weakness was presented 10/06/2021 as GHSA-j76f-35mc-4h63. The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2021-3436 since 03/11/2021. Neither technical details nor an exploit are publicly available.
Upgrading to version 2.6.0 eliminates this vulnerability.
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Product
Vendor
Name
Version
License
Website
- Vendor: https://www.linuxfoundation.org/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.3VulDB Meta Temp Score: 4.2
VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
CNA Base Score: 4.3
CNA Vector (Zephyr Project): 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Use of multiple resources with duplicate identifierCWE: CWE-694
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Partially
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: zephyr 2.6.0
Timeline
03/11/2021 🔍10/06/2021 🔍
10/06/2021 🔍
10/09/2021 🔍
Sources
Vendor: linuxfoundation.orgAdvisory: GHSA-j76f-35mc-4h63
Status: Confirmed
CVE: CVE-2021-3436 (🔍)
GCVE (CVE): GCVE-0-2021-3436
GCVE (VulDB): GCVE-100-183873
Entry
Created: 10/06/2021 08:42Updated: 10/09/2021 11:23
Changes: 10/06/2021 08:42 (48), 10/09/2021 11:16 (1), 10/09/2021 11:23 (1)
Complete: 🔍
Committer: roga
Cache ID: 216::103
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
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