Silabs Ember ZNet TouchLink Packet operation after expiration
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 9.0 | $0-$5k | 0.00 |
Summary
A vulnerability was found in Silabs Ember ZNet and classified as critical. This issue affects some unknown processing of the component TouchLink Packet Handler. Such manipulation leads to operation after expiration. This vulnerability is uniquely identified as CVE-2023-41094. The attack can be launched remotely. No exploit exists.
Details
A vulnerability was found in Silabs Ember ZNet (the affected version is unknown) and classified as critical. Affected by this issue is an unknown code of the component TouchLink Packet Handler. The manipulation with an unknown input leads to a operation after expiration vulnerability. Using CWE to declare the problem leads to CWE-672. The product uses, accesses, or otherwise operates on a resource after that resource has been expired, released, or revoked. Impacted is confidentiality, integrity, and availability. CVE summarizes:
TouchLink packets processed after timeout or out of range due to Operation on a Resource after Expiration and Missing Release of Resource after Effective Lifetime may allow a device to be added outside of valid TouchLink range or pairing duration This issue affects Ember ZNet 7.1.x from 7.1.3 through 7.1.5; 7.2.x from 7.2.0 through 7.2.3; Version 7.3 and later are unaffected
The weakness was disclosed 10/05/2023. The advisory is available at community.silabs.com. This vulnerability is handled as CVE-2023-41094 since 08/23/2023. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 09/27/2024).
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
If you want to get best quality of vulnerability data, you may have to visit VulDB.
Product
Vendor
Name
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 9.0VulDB Meta Temp Score: 9.0
VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 9.8
NVD Vector: 🔍
CNA Base Score: 10.0
CNA Vector (Silicon Labs): 🔍
CVSSv2
| 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: 🔍
Exploiting
Class: Operation after expirationCWE: CWE-672
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
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 Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
08/23/2023 🔍10/05/2023 🔍
10/05/2023 🔍
09/27/2024 🔍
Sources
Advisory: community.silabs.comStatus: Confirmed
CVE: CVE-2023-41094 (🔍)
GCVE (CVE): GCVE-0-2023-41094
GCVE (VulDB): GCVE-100-241322
Entry
Created: 10/05/2023 07:51Updated: 09/27/2024 00:39
Changes: 10/05/2023 07:51 (46), 10/25/2023 19:35 (11), 09/27/2024 00:39 (16)
Complete: 🔍
Cache ID: 216::103
If you want to get best quality of vulnerability data, you may have to visit VulDB.
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