Vulnerability Details : CVE-2018-20168
Google gVisor before 2018-08-22 reuses a pagetable in a different level with the paging-structure cache intact, which allows attackers to cause a denial of service ("physical address not valid" panic) via a crafted application.
Vulnerability category: Input validationDenial of service
Products affected by CVE-2018-20168
- cpe:2.3:a:google:gvisor:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-20168
0.05%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 21 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-20168
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST | |
|
5.5
|
MEDIUM | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST |
CWE ids for CVE-2018-20168
-
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-20168
-
https://bugs.chromium.org/p/project-zero/issues/detail?id=1674
1674 - gVisor reuses pagetables across levels without paging-structure invalidation - project-zero - MonorailPatch;Vendor Advisory
Jump to