CVE-2019-18837

published 2019-11-13

CVE-2019-18837: 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…

Priority P3 42 high 8.6 CVSS 3.1

AV N AC L PR N UI N S C C H I N A N

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.

Affected

5 ranges

Vendor	Product	Version range	Fixed in
crun	crun	—	—
crun_project	crun	< 0.10.5	0.10.5
debian	crun	—	—
fedoraproject	fedora	—	—
fedoraproject	fedora	—	—

CVSS provenance

nvd v3.1 8.6 HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

nvd v2.0 5.0 MEDIUM AV:N/AC:L/Au:N/C:P/I:N/A:N

vendor_debian 8.6 LOW

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CWE-59