CVE-2019-18466
podman: resolving symlink in host filesystem leads to unexpected results of copy operation
Severity
ModerateRed Hat Product Security
CVSS 3.0
Review impact separately from score.
Published · August 22, 2019
Updated · November 22, 2025
Description
It was discovered that podman resolves a symlink in the host context during a copy operation from the container to the host. An attacker could create a container image containing particular symlinks that, when copied by a victim user to the host filesystem, may overwrite existing files with others from the host.
Statement
This issue did not affect the versions of podman as shipped with Red Hat Enterprise Linux 8 as they did not include support for the copy function.
This issue did not affect the versions of podman as shipped in OpenShift Container Platform 3.11 and 4.1 as they did not include support for the copy function.
The version of podman shipped in OpenShift Container Platform 4.2 was superseded by the version delivered Red Hat Enterprise Linux 8.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.0 · 2.5CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N
CWE-59 · Improper Link Resolution Before File Access ('Link Following')