7.5 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
6.3 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N
7.2 High
AI Score
Confidence
High
0.007 Low
EPSS
Percentile
80.9%
The remote host is missing an update for the
# SPDX-FileCopyrightText: 2018 Greenbone AG
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-only
if(description)
{
script_oid("1.3.6.1.4.1.25623.1.0.882987");
script_version("2023-07-10T08:07:43+0000");
script_cve_id("CVE-2018-15911", "CVE-2018-16541", "CVE-2018-16802",
"CVE-2018-17183", "CVE-2018-17961", "CVE-2018-18073", "CVE-2018-18284",
"CVE-2018-19134", "CVE-2018-19409");
script_tag(name:"cvss_base", value:"7.5");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:P/A:P");
script_tag(name:"last_modification", value:"2023-07-10 08:07:43 +0000 (Mon, 10 Jul 2023)");
script_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2019-10-03 00:03:00 +0000 (Thu, 03 Oct 2019)");
script_tag(name:"creation_date", value:"2018-12-19 10:08:29 +0100 (Wed, 19 Dec 2018)");
script_name("CentOS Update for ghostscript CESA-2018:3834 centos7");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2018 Greenbone AG");
script_family("CentOS Local Security Checks");
script_dependencies("gather-package-list.nasl");
script_mandatory_keys("ssh/login/centos", "ssh/login/rpms", re:"ssh/login/release=CentOS7");
script_xref(name:"CESA", value:"2018:3834");
script_xref(name:"URL", value:"http://lists.centos.org/pipermail/centos-announce/2018-December/023134.html");
script_tag(name:"summary", value:"The remote host is missing an update for the 'ghostscript'
package(s) announced via the CESA-2018:3834 advisory.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable package version is present on the target host.");
script_tag(name:"insight", value:"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)");
script_tag(name:"affected", value:"ghostscript on CentOS 7.");
script_tag(name:"solution", value:"Please install the updated package(s).");
script_tag(name:"solution_type", value:"VendorFix");
script_tag(name:"qod_type", value:"package");
exit(0);
}
include("revisions-lib.inc");
include("pkg-lib-rpm.inc");
release = rpm_get_ssh_release();
if(!release) exit(0);
res = "";
if(release == "CentOS7")
{
if ((res = isrpmvuln(pkg:"ghostscript", rpm:"ghostscript~9.07~31.el7_6.6", rls:"CentOS7")) != NULL)
{
security_message(data:res);
exit(0);
}
if ((res = isrpmvuln(pkg:"ghostscript-cups", rpm:"ghostscript-cups~9.07~31.el7_6.6", rls:"CentOS7")) != NULL)
{
security_message(data:res);
exit(0);
}
if ((res = isrpmvuln(pkg:"ghostscript-devel", rpm:"ghostscript-devel~9.07~31.el7_6.6", rls:"CentOS7")) != NULL)
{
security_message(data:res);
exit(0);
}
if ((res = isrpmvuln(pkg:"ghostscript-doc", rpm:"ghostscript-doc~9.07~31.el7_6.6", rls:"CentOS7")) != NULL)
{
security_message(data:res);
exit(0);
}
if ((res = isrpmvuln(pkg:"ghostscript-gtk", rpm:"ghostscript-gtk~9.07~31.el7_6.6", rls:"CentOS7")) != NULL)
{
security_message(data:res);
exit(0);
}
if (__pkg_match) exit(99);
exit(0);
}
7.5 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
6.3 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N
7.2 High
AI Score
Confidence
High
0.007 Low
EPSS
Percentile
80.9%