SARA / Free Tools / CVE / CVE-2018-1063

CVE-2018-1063 — Context relabeling of filesystems is vulnerable to symbolic link attack, allowin

Context relabeling of filesystems is vulnerable to symbolic link attack, allowing a local, unprivileged malicious entity to change the SELinux context of an arbitrary file to a context with few restrictions. This only happens when the relabeling process is done, usually when taki

CVSS
— —
EPSS
0.12% (top 69.60%)
CWE
CWE-59
Published
2018-03-02T15:00:00.000Z
Last modified
2024-08-05T03:51:47.327Z
CVSS vector
—

01What is this vulnerability?

Context relabeling of filesystems is vulnerable to symbolic link attack, allowing a local, unprivileged malicious entity to change the SELinux context of an arbitrary file to a context with few restrictions. This only happens when the relabeling process is done, usually when taking SELinux state from disabled to enable (permissive or enforcing). The issue was found in policycoreutils 2.5-11.

02Affected products

VendorProductVersions
SELinux Projectpolicycoreutils2.5-11 and newer

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

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

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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

09References

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