zephyrproject-rtos 2.4.0 IEEE 802154 Fragment Reassembly null pointer dereference
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
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6.5 | $0-$5k | 0.00 |
A vulnerability, which was classified as critical, was found in zephyrproject-rtos 2.4.0 (Project Management Software). Affected is an unknown code block of the component IEEE 802154 Fragment Reassembly Handler. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. This is going to have an impact on availability.
The weakness was published 10/13/2021 as GHSA-p86r-gc4r-4mq3. The advisory is available at github.com. This vulnerability is traded as CVE-2021-3322 since 01/27/2021. The technical details are unknown and an exploit is not available.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
Product
Type
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.5VulDB Meta Temp Score: 6.5
VulDB Base Score: 6.5
VulDB Temp Score: 6.5
VulDB Vector: 🔍
VulDB Reliability: 🔍
CNA Base Score: 6.5
CNA Vector (Zephyr Project): 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Null pointer dereferenceCWE: CWE-476 / CWE-404
ATT&CK: Unknown
Local: No
Remote: Partially
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
01/27/2021 🔍10/13/2021 🔍
10/13/2021 🔍
10/20/2021 🔍
Sources
Advisory: GHSA-p86r-gc4r-4mq3Status: Confirmed
CVE: CVE-2021-3322 (🔍)
Entry
Created: 10/13/2021 08:14Updated: 10/20/2021 08:53
Changes: 10/13/2021 08:14 (48), 10/20/2021 08:52 (1), 10/20/2021 08:53 (7)
Complete: 🔍
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