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8.6
CVSSv3

CVE-2019-18837

Published: 13/11/2019 Updated: 07/11/2023
CVSS v2 Base Score: 5 | Impact Score: 2.9 | Exploitability Score: 10
CVSS v3 Base Score: 8.6 | Impact Score: 4 | Exploitability Score: 3.9
VMScore: 445
Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N
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Vulnerability Summary

An issue exists in crun prior to 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.

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crun project crun

fedoraproject fedora 30

fedoraproject fedora 31

References

CWE-59https://github.com/containers/crun/pull/173https://github.com/containers/crun/releases/tag/0.10.5https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ITB2UNEGHXZUR3ATYHWPSK5LJB36N7AP/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DTA5SJUAKQUK6HRY2CZVJUIZP5BO3EOG/https://nvd.nist.gov
CVSSv3
CVSSv2
CVSSv3
VMScore
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