CVE-2019-18837

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Summary

CVECVE-2019-18837
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2019-11-13 20:15:00 UTC
Updated2023-11-07 03:07:00 UTC
DescriptionAn 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.

Risk And Classification

Problem Types: CWE-59

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Crun Project Crun All All All All
Application Crun Project Crun All All All All
Operating System Fedoraproject Fedora 30 All All All
Operating System Fedoraproject Fedora 31 All All All
Operating System Fedoraproject Fedora 30 All All All
Operating System Fedoraproject Fedora 31 All All All

References

ReferenceSourceLinkTags
utils: if the path exists check if it a directory by giuseppe · Pull Request #173 · containers/crun · GitHub github.com
[SECURITY] Fedora 30 Update: crun-0.10.5-2.fc30 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
[SECURITY] Fedora 31 Update: crun-0.10.5-2.fc31 - package-announce - Fedora Mailing-Lists MISC lists.fedoraproject.org Third Party Advisory
[SECURITY] Fedora 31 Update: crun-0.10.5-2.fc31 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
[SECURITY] Fedora 30 Update: crun-0.10.5-2.fc30 - package-announce - Fedora Mailing-Lists MISC lists.fedoraproject.org Third Party Advisory
Release 0.10.5 · containers/crun · GitHub CONFIRM github.com Release Notes
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