zephyrproject-rtos zephyr 1.14.x System Call integer overflow
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.3 | $0-$5k | 0.00 |
Summary
A vulnerability was found in zephyrproject-rtos zephyr 1.14.x. It has been declared as critical. The impacted element is an unknown function of the component System Call Handler. The manipulation results in integer overflow. This vulnerability is identified as CVE-2020-10067. The attack is only possible with local access. There is not any exploit available. It is recommended to upgrade the affected component.
Details
A vulnerability was found in zephyrproject-rtos zephyr 1.14.x (Project Management Software). It has been classified as critical. Affected is some unknown processing of the component System Call Handler. The manipulation with an unknown input leads to a integer overflow vulnerability. CWE is classifying the issue as CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:
A malicious userspace application can cause a integer overflow and bypass security checks performed by system call handlers. The impact would depend on the underlying system call and can range from denial of service to information leak to memory corruption resulting in code execution within the kernel. See NCC-ZEP-005 This issue affects: zephyrproject-rtos zephyr version 1.14.1 and later versions. version 2.1.0 and later versions.
The weakness was released 05/11/2020. This vulnerability is traded as CVE-2020-10067 since 03/04/2020. Local access is required to approach this attack. Required for exploitation is a authentication. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available.
Upgrading to version 2.1.0 eliminates this vulnerability.
Entries connected to this vulnerability are available at VDB-154985, VDB-154984, VDB-154983 and VDB-154982. If you want to get best quality of vulnerability data, you may have to visit VulDB.
Product
Type
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.6VulDB Meta Temp Score: 6.5
VulDB Base Score: 5.7
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.5
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: 🔍
Exploiting
Class: Integer overflowCWE: CWE-190 / CWE-189
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: Partially
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: zephyr 2.1.0
Timeline
03/04/2020 🔍05/11/2020 🔍
05/12/2020 🔍
10/16/2020 🔍
Sources
Status: Not definedCVE: CVE-2020-10067 (🔍)
GCVE (CVE): GCVE-0-2020-10067
GCVE (VulDB): GCVE-100-154986
See also: 🔍
Entry
Created: 05/12/2020 07:42Updated: 10/16/2020 14:01
Changes: 05/12/2020 07:42 (38), 05/12/2020 07:47 (12), 10/16/2020 14:01 (1)
Complete: 🔍
Cache ID: 216::103
If you want to get best quality of vulnerability data, you may have to visit VulDB.
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