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CVE-2018-1063

Date: March 2, 2018

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.

Severity Score

Related Resources (7)

https://nvd.nist.gov/vuln/detail/CVE-2018-1063
https://access.redhat.com/errata/RHSA-2018:0913
https://security-tracker.debian.org/tracker/CVE-2018-1063
https://bugzilla.redhat.com/show_bug.cgi?id=1550122
https://access.redhat.com/security/cve/CVE-2018-1063
https://people.canonical.com/~ubuntu-security/cve/CVE-2018-1063
https://www.mend.io/vulnerability-database/CVE-2018-1063

Severity Score

Weakness Type (CWE)

Link Following

CWE-59

Improper Ownership Management

CWE-282

CVSS v3

Base Score:
Attack Vector (AV):
Attack Complexity (AC):
Privileges Required (PR):
User Interaction (UI):
Scope (S):
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL

CVSS v2

Base Score:
Access Vector (AV):
Access Complexity (AC):
Authentication (AU):
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH
Additional information:

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