Huawei S7700/S9300/S9700/S12700 prior V200R008C00SPC500 Random Number Generator Private Key information disclosure
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.2 | $0-$5k | 0.00 |
A vulnerability, which was classified as problematic, was found in Huawei S7700, S9300, S9700 and S12700. This affects an unknown function of the component Random Number Generator. The manipulation with an unknown input leads to a information disclosure vulnerability (Private Key). CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality. The summary by CVE is:
Huawei S7700, S9300, S9700, and S12700 devices with software before V200R008C00SPC500 use random numbers with insufficient entropy to generate self-signed certificates, which makes it easier for remote attackers to discover private keys by leveraging knowledge of a certificate.
The weakness was released 09/07/2016 by Frank Gifford (Website). It is possible to read the advisory at huawei.com. This vulnerability is uniquely identified as CVE-2016-6670 since 08/10/2016. The exploitability is told to be difficult. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.
Upgrading to version V200R008C00SPC500 eliminates this vulnerability.
Product
Vendor
Name
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: 5.3VulDB Meta Temp Score: 5.2
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 5.3
NVD Vector: 🔍
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: 🔍
NVD Base Score: 🔍
Exploiting
Name: Private KeyClass: Information disclosure / Private Key
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍
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: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: S7700/S9300/S9700/S12700 V200R008C00SPC500
Timeline
08/10/2016 🔍08/10/2016 🔍
09/07/2016 🔍
09/07/2016 🔍
09/08/2016 🔍
09/15/2022 🔍
Sources
Vendor: huawei.comAdvisory: sa-20160810-01
Researcher: Frank Gifford
Status: Not defined
Confirmation: 🔍
CVE: CVE-2016-6670 (🔍)
SecurityFocus: 92438 - Multiple Huawei Products CVE-2016-6670 Insecure Random Number Generation Vulnerability
Entry
Created: 09/08/2016 21:59Updated: 09/15/2022 09:30
Changes: 09/08/2016 21:59 (51), 04/12/2019 06:50 (13), 09/15/2022 09:30 (3)
Complete: 🔍
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