CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:C/I:C/A:C
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
EPSS
Percentile
99.9%
According to the versions of the ghostscript packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :
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)
ghostscript: incomplete fix for CVE-2018-16509 (CVE-2018-16863)
ghostscript: gssetresolution and gsgetresolution memory corruption(CVE-2018-16543)
ghostscript: use-after-free in copydevice handling(CVE-2018-16540)
Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(122169);
script_version("1.10");
script_set_attribute(attribute:"plugin_modification_date", value:"2022/05/23");
script_cve_id(
"CVE-2018-15911",
"CVE-2018-16540",
"CVE-2018-16543",
"CVE-2018-16802",
"CVE-2018-16863",
"CVE-2018-17183",
"CVE-2018-17961",
"CVE-2018-18073",
"CVE-2018-18284",
"CVE-2018-19134",
"CVE-2018-19409"
);
script_xref(name:"IAVB", value:"2019-B-0081-S");
script_name(english:"EulerOS 2.0 SP3 : ghostscript (EulerOS-SA-2019-1022)");
script_set_attribute(attribute:"synopsis", value:
"The remote EulerOS host is missing multiple security updates.");
script_set_attribute(attribute:"description", value:
"According to the versions of the ghostscript packages installed, the
EulerOS installation on the remote host is affected by the following
vulnerabilities :
- 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)
- ghostscript: incomplete fix for CVE-2018-16509
(CVE-2018-16863)
- ghostscript: gssetresolution and gsgetresolution memory
corruption(CVE-2018-16543)
- ghostscript: use-after-free in copydevice
handling(CVE-2018-16540)
Note that Tenable Network Security has extracted the preceding
description block directly from the EulerOS security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues.");
# https://developer.huaweicloud.com/ict/en/site-euleros/euleros/security-advisories/EulerOS-SA-2019-1022
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?ea71f3ac");
script_set_attribute(attribute:"solution", value:
"Update the affected ghostscript packages.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C");
script_set_cvss_temporal_vector("CVSS2#E:POC/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2018-16863");
script_set_attribute(attribute:"cvss3_score_source", value:"CVE-2018-19409");
script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
script_set_attribute(attribute:"exploit_available", value:"true");
script_set_attribute(attribute:"patch_publication_date", value:"2019/01/19");
script_set_attribute(attribute:"plugin_publication_date", value:"2019/02/14");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:ghostscript");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:ghostscript-cups");
script_set_attribute(attribute:"cpe", value:"cpe:/o:huawei:euleros:2.0");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_set_attribute(attribute:"stig_severity", value:"I");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Huawei Local Security Checks");
script_copyright(english:"This script is Copyright (C) 2019-2022 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("ssh_get_info.nasl");
script_require_keys("Host/local_checks_enabled", "Host/EulerOS/release", "Host/EulerOS/rpm-list", "Host/EulerOS/sp");
script_exclude_keys("Host/EulerOS/uvp_version");
exit(0);
}
include("audit.inc");
include("global_settings.inc");
include("rpm.inc");
if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
release = get_kb_item("Host/EulerOS/release");
if (isnull(release) || release !~ "^EulerOS") audit(AUDIT_OS_NOT, "EulerOS");
if (release !~ "^EulerOS release 2\.0(\D|$)") audit(AUDIT_OS_NOT, "EulerOS 2.0");
sp = get_kb_item("Host/EulerOS/sp");
if (isnull(sp) || sp !~ "^(3)$") audit(AUDIT_OS_NOT, "EulerOS 2.0 SP3");
uvp = get_kb_item("Host/EulerOS/uvp_version");
if (!empty_or_null(uvp)) audit(AUDIT_OS_NOT, "EulerOS 2.0 SP3", "EulerOS UVP " + uvp);
if (!get_kb_item("Host/EulerOS/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);
cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$" && "aarch64" >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "EulerOS", cpu);
if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$") audit(AUDIT_ARCH_NOT, "i686 / x86_64", cpu);
flag = 0;
pkgs = ["ghostscript-9.07-31.6.h3",
"ghostscript-cups-9.07-31.6.h3"];
foreach (pkg in pkgs)
if (rpm_check(release:"EulerOS-2.0", sp:"3", reference:pkg)) flag++;
if (flag)
{
security_report_v4(
port : 0,
severity : SECURITY_HOLE,
extra : rpm_report_get()
);
exit(0);
}
else
{
tested = pkg_tests_get();
if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
else audit(AUDIT_PACKAGE_NOT_INSTALLED, "ghostscript");
}
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-15911
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-16540
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-16543
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-16802
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-16863
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-17183
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-17961
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-18073
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-18284
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-19134
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-19409
www.nessus.org/u?ea71f3ac
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:C/I:C/A:C
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
EPSS
Percentile
99.9%