CVE-2019-5596
FreeBSD 12.0 - 'fd' Local Privilege Escalation
Severity Score
8.8
*CVSS v3
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
3
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
In FreeBSD 11.2-STABLE after r338618 and before r343786, 12.0-STABLE before r343781, and 12.0-RELEASE before 12.0-RELEASE-p3, a bug in the reference count implementation for UNIX domain sockets can cause a file structure to be incorrectly released potentially allowing a malicious local user to gain root privileges or escape from a jail.
En FreeBSD 11.2-STABLE tras r338618 y antes de r343786, 12.0-STABLE antes de r343781 y 12.0-RELEASE antes de 12.0-RELEASE-p3, un error en la implementación del conteo de referencias para los sockets del dominio UNIX pueden provocar que se lance incorrectamente una estructura de datos. Esto podría permitir que un usuario local malicioso obtenga privilegios root o escape de una cárcel.
*Credits:
N/A
CVSS Scores
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
- 2019-01-07 CVE Reserved
- 2019-02-06 CVE Published
- 2019-07-10 First Exploit
- 2023-03-08 EPSS Updated
- 2024-08-04 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
CAPEC
References (5)
| URL | Tag | Source |
|---|---|---|
| http://packetstormsecurity.com/files/155790/FreeBSD-fd-Privilege-Escalation.html | X_refsource_misc |
|
| URL | Date | SRC |
|---|---|---|
| https://www.exploit-db.com/exploits/47081 | 2019-07-10 | |
| https://www.exploit-db.com/exploits/47829 | 2019-12-30 | |
| https://github.com/raymontag/CVE-2019-5596 | 2023-03-29 |
| URL | Date | SRC |
|---|---|---|
| https://security.FreeBSD.org/advisories/FreeBSD-SA-19:02.fd.asc | 2020-08-24 |
| URL | Date | SRC |
|---|
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Freebsd Search vendor "Freebsd" | Freebsd Search vendor "Freebsd" for product "Freebsd" | 11.2 Search vendor "Freebsd" for product "Freebsd" and version "11.2" | - |
Affected
| ||||||
| Freebsd Search vendor "Freebsd" | Freebsd Search vendor "Freebsd" for product "Freebsd" | 12.0 Search vendor "Freebsd" for product "Freebsd" and version "12.0" | - |
Affected
| ||||||