CVE-2019-18466 — An issue was discovered in Podman in libpod before 1
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,
Published
2019-10-28T12:37:00.000Z
Last modified
2024-08-05T01:54:14.351Z
01What is this vulnerability?
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.
02Affected products
| Vendor | Product | Versions |
|---|
| n | a / n/a | n/a |
03Active exploitation status
Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.
04Recommended remediation
- Patch to a fixed version listed in the vendor advisory (see references below).
- Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
- Hunt historical logs for exploitation indicators — see Detection signatures below.
05Technical details
For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.
06Detection signatures
Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.
07Related CVEs
No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.
08Timeline
- Published: 2019-10-28T12:37:00.000Z
- Last modified: 2024-08-05T01:54:14.351Z
09References
- bugzilla.redhat.com — https://bugzilla.redhat.com/show_bug.cgi?id=1744588
- github.com — https://github.com/containers/libpod/issues/3829
- github.com — https://github.com/containers/libpod/commit/5c09c4d2947a759724f9d5aef6bac04317e0…
- github.com — https://github.com/containers/libpod/compare/v1.5.1...v1.6.0
- access.redhat.com — https://access.redhat.com/errata/RHSA-2019:4269
- lists.opensuse.org — http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00040.html
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