8.6
CVE-2019-18837
- EPSS 1.42%
- Veröffentlicht 13.11.2019 20:15:10
- Zuletzt bearbeitet 21.11.2024 04:33:40
- Quelle trellixpsirt@trellix.com
- CVE-Watchlists
- Unerledigt
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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Crun Project ≫ Crun Version < 0.10.5
Fedoraproject ≫ Fedora Version30
Fedoraproject ≫ Fedora Version31
| Typ | Quelle | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 1.42% | 0.693 |
| Quelle | Base Score | Exploit Score | Impact Score | Vector String |
|---|---|---|---|---|
| nvd@nist.gov | 8.6 | 3.9 | 4 |
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
|
| nvd@nist.gov | 5 | 10 | 2.9 |
AV:N/AC:L/Au:N/C:P/I:N/A:N
|
CWE-59 Improper Link Resolution Before File Access ('Link Following')
The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.
https://github.com/containers/crun/pull/173
https://github.com/containers/crun/releases/tag/0.10.5
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DTA5SJUAKQUK6HRY2CZVJUIZP5BO3EOG/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ITB2UNEGHXZUR3ATYHWPSK5LJB36N7AP/