CVE-2019-18837
High
Description
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.
SeverityHigh
CVSS8.6
Exploit probability73. percentile1.4%
Product
Crun
PublishedNov 13, 2019
First seenNov 13, 2019
How to fix
Update
- crun_project crun0.10.5 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| crun_project crun | v < 0.10.5 | 0.10.5 |
| fedoraproject fedora | 30, 31 | — |
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