Huawei S7700/S9700/S9300/AR200/AR1200/AR2200/AR3200 CF Card information disclosure
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
4.1 | $0-$5k | 0.00 |
A vulnerability was found in Huawei S7700, S9700, S9300, AR200, AR1200, AR2200 and AR3200 and classified as problematic. This issue affects an unknown code block of the component CF Card Handler. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality. The summary by CVE is:
Huawei S7700, S9700, S9300 before V200R07C00SPC500, and AR200, AR1200, AR2200, AR3200 before V200R005C20SPC200 allows attackers with physical access to the CF card to obtain sensitive information.
The bug was discovered 08/05/2015. The weakness was published 09/25/2017 by Mickey Shkatov with Intel Advanced Threat Research Team (Website). The advisory is shared at www1.huawei.com. The identification of this vulnerability is CVE-2015-7846 since 10/16/2015. An attack has to be approached locally. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1592 for this issue.
The vulnerability was handled as a non-public zero-day exploit for at least 782 days. During that time the estimated underground price was around $0-$5k.
Upgrading 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: 4.3VulDB Meta Temp Score: 4.2
VulDB Base Score: 4.0
VulDB Temp Score: 3.8
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 4.6
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
Class: Information disclosureCWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍
Local: Yes
Remote: No
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: 🔍
Timeline
08/05/2015 🔍08/05/2015 🔍
10/16/2015 🔍
09/25/2017 🔍
09/25/2017 🔍
09/26/2017 🔍
11/19/2019 🔍
Sources
Vendor: huawei.comAdvisory: www1.huawei.com
Researcher: Mickey Shkatov
Organization: Intel Advanced Threat Research Team
Status: Not defined
Confirmation: 🔍
CVE: CVE-2015-7846 (🔍)
SecurityFocus: 76173 - Multiple Huawei Products CF Card Local Information Disclosure Vulnerability
Entry
Created: 09/26/2017 09:21Updated: 11/19/2019 14:40
Changes: 09/26/2017 09:21 (62), 11/19/2019 14:40 (2)
Complete: 🔍
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