Samsung Galaxy S6 SM-G920F G920FXXU5EQH7 bcmdhd4358 Wi-Fi Driver prot_get_ring_space Kernel Memory memory corruption
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
9.2 | $0-$5k | 0.00 |
A vulnerability, which was classified as very critical, has been found in Samsung Galaxy S6 SM-G920F G920FXXU5EQH7 (Smartphone Operating System). Affected by this issue is the function prot_get_ring_space
of the component bcmdhd4358 Wi-Fi Driver. The manipulation with an unknown input leads to a memory corruption vulnerability (Kernel Memory). Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:
Buffer overflow in prot_get_ring_space in the bcmdhd4358 Wi-Fi driver on the Samsung Galaxy S6 SM-G920F G920FXXU5EQH7 allows an attacker (who has obtained code execution on the Wi-Fi chip) to overwrite kernel memory due to improper validation of the ring buffer read pointer. The Samsung ID is SVE-2018-12029.
The weakness was published 03/21/2019 (Website). The advisory is available at security.samsungmobile.com. This vulnerability is handled as CVE-2018-14745 since 07/29/2018. The exploitation is known to be easy. The attack needs to be initiated within the local network. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 05/17/2020).
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
Similar entries are available at 111342, 111380, 115287 and 115285.
Product
Type
Vendor
Name
Version
License
Support
- end of life (old version)
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 9.2VulDB Meta Temp Score: 9.2
VulDB Base Score: 9.6
VulDB Temp Score: 9.6
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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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: Kernel MemoryClass: Memory corruption / Kernel Memory
CWE: CWE-119
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 |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
07/29/2018 🔍03/21/2019 🔍
03/21/2019 🔍
05/17/2020 🔍
Sources
Vendor: samsung.comAdvisory: security.samsungmobile.com
Status: Not defined
Confirmation: 🔍
CVE: CVE-2018-14745 (🔍)
See also: 🔍
Entry
Created: 03/21/2019 22:31Updated: 05/17/2020 16:08
Changes: 03/21/2019 22:31 (58), 05/17/2020 16:08 (1)
Complete: 🔍
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