CVE-2019-18466
First published: Thu Aug 22 2019(Updated: )
An issue was discovered in Podman in libpod before 1.6.0. It resolves a symlink in the host context during a copy operation from the container to the host, because an undesired glob operation occurs. 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.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| go/github.com/containers/podman/v4 | <1.6.0 | 1.6.0 |
| redhat/podman | <0:1.6.4-16.el7_8 | 0:1.6.4-16.el7_8 |
| Libpod Project Libpod | <1.6.0 |
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Reference Links
- https://nvd.nist.gov/vuln/detail/CVE-2019-18466
- https://github.com/containers/libpod/issues/3829
- https://github.com/containers/libpod/commit/5c09c4d2947a759724f9d5aef6bac04317e03f7e
- https://access.redhat.com/errata/RHSA-2019:4269
- https://bugzilla.redhat.com/show_bug.cgi?id=1744588
- https://github.com/containers/libpod/compare/v1.5.1...v1.6.0
- https://github.com/advisories/GHSA-r34v-gqmw-qvgj (Advisory)
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00040.html
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1741709
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1754354
- https://access.redhat.com/errata/RHSA-2020:1227
- https://access.redhat.com/security/cve/cve-2019-18466
- https://www.cve.org/CVERecord?id=CVE-2019-18466 https://nvd.nist.gov/vuln/detail/CVE-2019-18466
Frequently Asked Questions
What is CVE-2019-18466?
CVE-2019-18466 is a vulnerability discovered in Podman in libpod before 1.6.0.
What is the severity of CVE-2019-18466?
CVE-2019-18466 has a severity rating of medium with a CVSS score of 5.5.
How does CVE-2019-18466 affect Podman?
CVE-2019-18466 affects Podman in libpod before version 1.6.0.
How can an attacker exploit CVE-2019-18466?
An attacker can create a container image containing specific symlinks that, when copied, can lead to a symlink resolution vulnerability in Podman.
Is there a fix for CVE-2019-18466?
Yes, the remedy for CVE-2019-18466 is to upgrade to version 1.6.0 of libpod.
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