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cve[email protected]CVE-2018-1063
HistoryMar 02, 2018 - 3:29 p.m.

CVE-2018-1063

2018-03-0215:29:00
CWE-59
web.nvd.nist.gov
177
selinux
context relabeling
filesystem
vulnerability
symbolic link attack
policycoreutils 2.5-11
nvd
cve-2018-1063

3.3 Low

CVSS2

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:L/AC:M/Au:N/C:P/I:P/A:N

4.4 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

4.4 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

12.7%

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.

Affected configurations

Vulners
NVD
Node
selinux_projectselinuxRange2.5
VendorProductVersionCPE
selinux_projectselinux*cpe:2.3:a:selinux_project:selinux:*:*:*:*:*:*:*:*

CNA Affected

[
  {
    "product": "policycoreutils",
    "vendor": "SELinux Project",
    "versions": [
      {
        "status": "affected",
        "version": "2.5-11 and newer"
      }
    ]
  }
]

3.3 Low

CVSS2

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:L/AC:M/Au:N/C:P/I:P/A:N

4.4 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

4.4 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

12.7%