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Test ID:1.3.6.1.4.1.25623.1.0.882987
Category:CentOS Local Security Checks
Title:CentOS Update for ghostscript CESA-2018:3834 centos7
Summary:The remote host is missing an update for the 'ghostscript'; package(s) announced via the CESA-2018:3834 advisory.
Description:Summary:
The remote host is missing an update for the 'ghostscript'
package(s) announced via the CESA-2018:3834 advisory.

Vulnerability Insight:
The Ghostscript suite contains utilities for rendering PostScript and PDF
documents. Ghostscript translates PostScript code to common bitmap formats
so that the code can be displayed or printed.

Security Fix(es):

* ghostscript: Incorrect free logic in pagedevice replacement (699664)
(CVE-2018-16541)

* ghostscript: Incorrect 'restoration of privilege' checking when running
out of stack during exception handling (CVE-2018-16802)

* ghostscript: User-writable error exception table (CVE-2018-17183)

* ghostscript: Saved execution stacks can leak operator arrays (incomplete
fix for CVE-2018-17183) (CVE-2018-17961)

* ghostscript: Saved execution stacks can leak operator arrays
(CVE-2018-18073)

* ghostscript: 1Policy operator allows a sandbox protection bypass
(CVE-2018-18284)

* ghostscript: Type confusion in setpattern (700141) (CVE-2018-19134)

* ghostscript: Improperly implemented security check in zsetdevice function
in psi/zdevice.c (CVE-2018-19409)

* ghostscript: Uninitialized memory access in the aesdecode operator
(699665) (CVE-2018-15911)

For more details about the security issue(s), including the impact, a CVSS
score, and other related information, refer to the CVE page(s) listed in
the References section.

Red Hat would like to thank Tavis Ormandy (Google Project Zero) for
reporting CVE-2018-16541.

Bug Fix(es):

* It has been found that ghostscript-9.07-31.el7_6.1 introduced regression
during the handling of shading objects, causing a 'Dropping incorrect
smooth shading object' warning. With this update, the regression has been
fixed and the described problem no longer occurs. (BZ#1657822)


Affected Software/OS:
ghostscript on CentOS 7.

Solution:
Please install the updated package(s).

CVSS Score:
5.0

CVSS Vector:
AV:N/AC:L/Au:N/C:P/I:N/A:N

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2018-15911
Common Vulnerability Exposure (CVE) ID: CVE-2018-16541
Common Vulnerability Exposure (CVE) ID: CVE-2018-16802
Common Vulnerability Exposure (CVE) ID: CVE-2018-17183
Common Vulnerability Exposure (CVE) ID: CVE-2018-17961
Common Vulnerability Exposure (CVE) ID: CVE-2018-18073
Common Vulnerability Exposure (CVE) ID: CVE-2018-18284
Common Vulnerability Exposure (CVE) ID: CVE-2018-19134
Common Vulnerability Exposure (CVE) ID: CVE-2018-19409
CopyrightCopyright (C) 2018 Greenbone Networks GmbH

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