CVE-2019-18837
Severity Score
8.6
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
An issue was discovered in crun before 0.10.5. With a crafted image, it doesn't correctly check whether a target is a symlink, resulting in access to files outside of the container. This occurs in libcrun/linux.c and libcrun/chroot_realpath.c.
Se descubrió un problema en crun versiones anteriores a la versión 0.10.5. Con una imagen especialmente diseñada, no comprueba correctamente si un objetivo es un enlace simbólico, resultando en el acceso a archivos fuera del contenedor. Esto ocurre en los archivos libcrun/linux.c y libcrun/chroot_realpath.c.
*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
- 2019-11-08 CVE Reserved
- 2019-11-13 CVE Published
- 2024-08-05 CVE Updated
- 2024-11-06 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-59: Improper Link Resolution Before File Access ('Link Following')
CAPEC
References (4)
| URL | Tag | Source |
|---|---|---|
| https://github.com/containers/crun/pull/173 | X_refsource_misc | |
| https://github.com/containers/crun/releases/tag/0.10.5 | X_refsource_confirm | |
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DTA5SJUAKQUK6HRY2CZVJUIZP5BO3EOG | X_refsource_misc |
|
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ITB2UNEGHXZUR3ATYHWPSK5LJB36N7AP | X_refsource_misc |
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Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Crun Project Search vendor "Crun Project" | Crun Search vendor "Crun Project" for product "Crun" | < 0.10.5 Search vendor "Crun Project" for product "Crun" and version " < 0.10.5" | - |
Affected
| ||||||
| Fedoraproject Search vendor "Fedoraproject" | Fedora Search vendor "Fedoraproject" for product "Fedora" | 30 Search vendor "Fedoraproject" for product "Fedora" and version "30" | - |
Affected
| ||||||
| Fedoraproject Search vendor "Fedoraproject" | Fedora Search vendor "Fedoraproject" for product "Fedora" | 31 Search vendor "Fedoraproject" for product "Fedora" and version "31" | - |
Affected
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