CVE-2023-0778
First published: Wed Feb 08 2023(Updated: )
A Time-of-check Time-of-use (TOCTOU) flaw was found in podman. This issue may allow a malicious user to replace a normal file in a volume with a symlink while exporting the volume, allowing for access to arbitrary files on the host file system.
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/podman | <3:4.4.1-3.rhaos4.13.el9 | 3:4.4.1-3.rhaos4.13.el9 |
| Podman Project Podman | ||
| Redhat Enterprise Linux | =8.0 | |
| Redhat Enterprise Linux | =9.0 | |
| redhat/podman | <4.4.2 | 4.4.2 |
| go/github.com/containers/podman/v4 | <4.4.2 | 4.4.2 |
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Reference Links
- https://www.cve.org/CVERecord?id=CVE-2023-0778 https://nvd.nist.gov/vuln/detail/CVE-2023-0778
- https://bugzilla.redhat.com/show_bug.cgi?id=2168256
- https://access.redhat.com/errata/RHSA-2023:2758
- https://access.redhat.com/errata/RHSA-2023:2802
- https://access.redhat.com/errata/RHSA-2023:1325
- https://access.redhat.com/security/cve/cve-2023-0778
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2170631
- https://nvd.nist.gov/vuln/detail/CVE-2023-0778
- https://github.com/containers/podman/pull/17528
- https://github.com/containers/podman/pull/17532
- https://github.com/containers/podman/commit/6ca857feb07a5fdc96fd947afef03916291673d8
- https://access.redhat.com/security/cve/CVE-2023-0778
- https://pkg.go.dev/vuln/GO-2023-1681
- https://github.com/advisories/GHSA-qwqv-rqgf-8qh8 (Advisory)
Parent vulnerabilities
(Appears in the following advisories)
Frequently Asked Questions
What is CVE-2023-0778?
CVE-2023-0778 is a Time-of-check Time-of-use (TOCTOU) flaw found in podman, which may allow a malicious user to access arbitrary files on the host file system.
How does CVE-2023-0778 affect podman?
CVE-2023-0778 affects podman by allowing a malicious user to replace a normal file in a volume with a symlink while exporting the volume.
What is the severity of CVE-2023-0778?
The severity of CVE-2023-0778 is medium, with a severity value of 6.8.
Which software is affected by CVE-2023-0778?
Podman versions up to 3:4.4.1-3.rhaos4.13.el9, Red Hat Enterprise Linux 8.0, and Red Hat Enterprise Linux 9.0 are affected by CVE-2023-0778.
How can I fix CVE-2023-0778?
To fix CVE-2023-0778, update podman to version 3:4.4.1-3.rhaos4.13.el9 or apply the relevant security patch provided by Red Hat for Red Hat Enterprise Linux.
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