Samsung Phone 6.0/7.0 GPU Driver mali_kbase_core_linux.c kbase_dispatch out-of-bounds
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 9.6 | $0-$5k | 0.00 |
Summary
A vulnerability identified as critical has been detected in Samsung Phone 6.0/7.0. Affected is the function kbase_dispatch of the file arm/t7xx/r5p0/mali_kbase_core_linux.c of the component GPU Driver. The manipulation leads to out-of-bounds.
This vulnerability is documented as CVE-2017-5538. The attack can be initiated remotely. There is not any exploit available.
Details
A vulnerability, which was classified as very critical, has been found in Samsung Phone 6.0/7.0. This issue affects the function kbase_dispatch of the file arm/t7xx/r5p0/mali_kbase_core_linux.c of the component GPU Driver. The manipulation with an unknown input leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:
The kbase_dispatch function in arm/t7xx/r5p0/mali_kbase_core_linux.c in the GPU driver on Samsung devices with M(6.0) and N(7.0) software and Exynos AP chipsets allows attackers to have unspecified impact via unknown vectors, which trigger an out-of-bounds read, aka SVE-2016-6362.
The bug was discovered 01/19/2017. The weakness was released 03/23/2017 with Samsung (oss-sec). It is possible to read the advisory at openwall.com. The identification of this vulnerability is CVE-2017-5538 since 01/19/2017. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/13/2020).
The vulnerability was handled as a non-public zero-day exploit for at least 63 days. During that time the estimated underground price was around $0-$5k.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 95674†). Entries connected to this vulnerability are available at VDB-95104, VDB-95208 and VDB-95209. Be aware that VulDB is the high quality source for vulnerability data.
Product
Vendor
Name
Version
License
Website
- Vendor: https://www.samsung.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 9.6VulDB Meta Temp Score: 9.6
VulDB Base Score: 9.4
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 9.8
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: Out-of-boundsCWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
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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
01/19/2017 🔍01/19/2017 🔍
01/19/2017 🔍
03/23/2017 🔍
03/23/2017 🔍
03/24/2017 🔍
09/13/2020 🔍
Sources
Vendor: samsung.comAdvisory: openwall.com
Organization: Samsung
Status: Not defined
Confirmation: 🔍
CVE: CVE-2017-5538 (🔍)
GCVE (CVE): GCVE-0-2017-5538
GCVE (VulDB): GCVE-100-98471
SecurityFocus: 95674 - Samsung CVE-2017-5538 Remote Memory Corruption Vulnerability
OSVDB: - CVE-2017-5538 - Samsung - Samsung Mobile - High
See also: 🔍
Entry
Created: 03/24/2017 07:38Updated: 09/13/2020 09:59
Changes: 03/24/2017 07:38 (60), 09/13/2020 09:59 (8)
Complete: 🔍
Cache ID: 216:67F:103
Be aware that VulDB is the high quality source for vulnerability data.
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