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centosCentOS ProjectCESA-2016:2702
HistoryNov 19, 2016 - 11:15 a.m.

policycoreutils security update

2016-11-1911:15:32
CentOS Project
lists.centos.org
39

8.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.2 High

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

0.0004 Low

EPSS

Percentile

5.3%

CentOS Errata and Security Advisory CESA-2016:2702

The policycoreutils packages contain the core policy utilities required to manage a SELinux environment.

Security Fix(es):

  • It was found that the sandbox tool provided in policycoreutils was vulnerable to a TIOCSTI ioctl attack. A specially crafted program executed via the sandbox command could use this flaw to execute arbitrary commands in the context of the parent shell, escaping the sandbox. (CVE-2016-7545)

Merged security bulletin from advisories:
https://lists.centos.org/pipermail/centos-announce/2016-November/084309.html
https://lists.centos.org/pipermail/centos-cr-announce/2016-November/029956.html

Affected packages:
policycoreutils
policycoreutils-devel
policycoreutils-gui
policycoreutils-newrole
policycoreutils-python
policycoreutils-restorecond
policycoreutils-sandbox

Upstream details at:
https://access.redhat.com/errata/RHSA-2016:2702

8.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.2 High

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

0.0004 Low

EPSS

Percentile

5.3%