ZephyrCVELIST:CVE-2020-10067CVE-2020-10067 Integer Overflow In is_in_region Allows User Thread To Access Kernel Memory
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H
EPSS
Percentile
21.6%
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.
CNA Affected
[
{
"product": "zephyr",
"vendor": "zephyrproject-rtos",
"versions": [
{
"lessThan": "unspecified",
"status": "affected",
"version": "1.14.1",
"versionType": "custom"
},
{
"lessThan": "unspecified",
"status": "affected",
"version": "2.1.0",
"versionType": "custom"
}
]
}
]Related
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H
EPSS
Percentile
21.6%