Huawei eSpace 7950/eSpace 8950 Import Signal Tone Packet input validation

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.5 | $5k-$25k | 0.00 |
Summary
A vulnerability was found in Huawei eSpace 7950 and eSpace 8950. It has been rated as critical. Affected is an unknown function of the component Import Signal Tone Handler. This manipulation as part of Packet causes input validation. The identification of this vulnerability is CVE-2017-17221. It is possible to initiate the attack remotely. There is no exploit available.
Details
A vulnerability was found in Huawei eSpace 7950 and eSpace 8950 (version unknown). It has been declared as critical. Affected by this vulnerability is an unknown function of the component Import Signal Tone Handler. The manipulation as part of a Packet leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:
Import Signal Tone function in Huawei eSpace 7950 V200R003C30; eSpace 8950 V200R003C00; V200R003C30 has a remote code execution vulnerability. An authenticated, remote attacker can craft and send the packets to the affected products after the Signal Tone is uploaded. Due to insufficient verification of the packets, this could be exploited to execute arbitrary code.
The bug was discovered 01/31/2018. The weakness was shared 03/09/2018 (Website). The advisory is shared at huawei.com. This vulnerability is known as CVE-2017-17221 since 12/04/2017. The exploitation appears to be easy. The attack can be launched remotely. The successful exploitation requires a single authentication. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 02/17/2023).
The vulnerability was handled as a non-public zero-day exploit for at least 37 days. During that time the estimated underground price was around $5k-$25k.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
The entry VDB-114290 is related to this item. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Product
Vendor
Name
License
Website
- Vendor: https://www.huawei.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.6VulDB Meta Temp Score: 7.6
VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 8.8
NVD Vector: 🔍
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: 🔍
NVD Base Score: 🔍
Exploiting
Class: Input validationCWE: CWE-20
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 |
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| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
12/04/2017 🔍01/31/2018 🔍
03/09/2018 🔍
03/09/2018 🔍
03/10/2018 🔍
02/17/2023 🔍
Sources
Vendor: huawei.comAdvisory: sa-20180131-01
Status: Not defined
Confirmation: 🔍
CVE: CVE-2017-17221 (🔍)
GCVE (CVE): GCVE-0-2017-17221
GCVE (VulDB): GCVE-100-114289
See also: 🔍
Entry
Created: 03/10/2018 15:25Updated: 02/17/2023 22:34
Changes: 03/10/2018 15:25 (57), 01/11/2020 22:26 (2), 02/17/2023 22:34 (3)
Complete: 🔍
Cache ID: 216::103
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
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