CVE-2018-1108
Linux RNG Flaws
Severity Score
5.9
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
kernel drivers before version 4.17-rc1 are vulnerable to a weakness in the Linux kernel's implementation of random seed data. Programs, early in the boot sequence, could use the data allocated for the seed before it was sufficiently generated.
Los controladores de kernel, en versiones anteriores a la 4.17-rc1, son vulnerables a una debilidad en la implementación del kernel de Linux de datos de semilla aleatorios. Los programas, en un estado de arranque temprano, podrÃan emplear los datos asignados a la semilla antes de que se haya generado lo suficiente.
There are several issues in drivers/char/random.c, in particular related to the behavior of the /dev/urandom RNG during and shortly after boot.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2017-12-04 CVE Reserved
- 2018-05-01 CVE Published
- 2023-12-15 EPSS Updated
- 2024-08-05 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-330: Use of Insufficiently Random Values
CAPEC
References (9)
| URL | Tag | Source |
|---|---|---|
| http://www.securityfocus.com/bid/104055 | Third Party Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1108 | Issue Tracking | |
| https://lists.debian.org/debian-lts-announce/2022/07/msg00000.html | Mailing List |
|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://usn.ubuntu.com/3718-1 | 2022-11-29 | |
| https://usn.ubuntu.com/3718-2 | 2022-11-29 | |
| https://usn.ubuntu.com/3752-1 | 2022-11-29 | |
| https://usn.ubuntu.com/3752-2 | 2022-11-29 | |
| https://usn.ubuntu.com/3752-3 | 2022-11-29 | |
| https://www.debian.org/security/2018/dsa-4188 | 2022-11-29 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | <= 4.16 Search vendor "Linux" for product "Linux Kernel" and version " <= 4.16" | - |
Affected
| ||||||
| Canonical Search vendor "Canonical" | Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux" | 16.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "16.04" | lts |
Affected
| ||||||
| Canonical Search vendor "Canonical" | Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux" | 18.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "18.04" | lts |
Affected
| ||||||
| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 9.0 Search vendor "Debian" for product "Debian Linux" and version "9.0" | - |
Affected
| ||||||