CVE-2019-18837

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Source
https://cve.org/CVERecord?id=CVE-2019-18837
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-18837.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2019-18837
Downstream
Published
2019-11-13T20:15:10.940Z
Modified
2026-07-08T05:53:34.958971602Z
Severity
  • 8.6 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N CVSS Calculator
Summary
[none]
Details

An 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.

Database specific 
{
    "unresolved_ranges": [
        {
            "cpes": [
                "cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*",
                "cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*"
            ],
            "source": "CPE_STRING",
            "vendor_product": "fedoraproject:fedora",
            "extracted_events": [
                {
                    "introduced": "30"
                },
                {
                    "last_affected": "30"
                },
                {
                    "introduced": "31"
                },
                {
                    "last_affected": "31"
                }
            ]
        }
    ]
}
References

Affected packages

Git / github.com/containers/crun

Affected ranges

Type
GIT
Repo
https://github.com/containers/crun
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
91db0f4a76db33d6221e18ae0560cd715b2e3273
Database specific 
{
    "cpe": "cpe:2.3:a:crun_project:crun:*:*:*:*:*:*:*:*",
    "source": [
        "CPE_RANGE",
        "REFERENCES"
    ],
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "0.10.5"
        }
    ]
}

Affected versions

0.*
0.10
0.10.1
0.10.2
0.10.3
0.10.4
0.4
0.5
0.6
0.7
0.8
0.9
0.9.1
v0.*
v0.2
v0.3

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-18837.json"