The remote NewStart CGSL host, running version CORE 5.05 / MAIN 5.05, has libxslt packages installed that are affected by multiple vulnerabilities:
libxslt through 1.1.33 allows bypass of a protection mechanism because callers of xsltCheckRead and xsltCheckWrite permit access even upon receiving a -1 error code. xsltCheckRead can return -1 for a crafted URL that is not actually invalid and is subsequently loaded. (CVE-2019-11068)
In xsltCopyText in transform.c in libxslt 1.1.33, a pointer variable isn’t reset under certain circumstances. If the relevant memory area happened to be freed and reused in a certain way, a bounds check could fail and memory outside a buffer could be written to, or uninitialized data could be disclosed. (CVE-2019-18197)
Note that Nessus has not tested for this issue but has instead relied only on the application’s self-reported version number.
#%NASL_MIN_LEVEL 70300
##
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from ZTE advisory NS-SA-2021-0175. The text
# itself is copyright (C) ZTE, Inc.
##
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(154558);
script_version("1.2");
script_set_attribute(attribute:"plugin_modification_date", value:"2021/10/27");
script_cve_id("CVE-2019-11068", "CVE-2019-18197");
script_name(english:"NewStart CGSL CORE 5.05 / MAIN 5.05 : libxslt Multiple Vulnerabilities (NS-SA-2021-0175)");
script_set_attribute(attribute:"synopsis", value:
"The remote NewStart CGSL host is affected by multiple vulnerabilities.");
script_set_attribute(attribute:"description", value:
"The remote NewStart CGSL host, running version CORE 5.05 / MAIN 5.05, has libxslt packages installed that are affected
by multiple vulnerabilities:
- libxslt through 1.1.33 allows bypass of a protection mechanism because callers of xsltCheckRead and
xsltCheckWrite permit access even upon receiving a -1 error code. xsltCheckRead can return -1 for a
crafted URL that is not actually invalid and is subsequently loaded. (CVE-2019-11068)
- In xsltCopyText in transform.c in libxslt 1.1.33, a pointer variable isn't reset under certain
circumstances. If the relevant memory area happened to be freed and reused in a certain way, a bounds
check could fail and memory outside a buffer could be written to, or uninitialized data could be
disclosed. (CVE-2019-18197)
Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
script_set_attribute(attribute:"see_also", value:"http://security.gd-linux.com/notice/NS-SA-2021-0175");
script_set_attribute(attribute:"see_also", value:"http://security.gd-linux.com/info/CVE-2019-11068");
script_set_attribute(attribute:"see_also", value:"http://security.gd-linux.com/info/CVE-2019-18197");
script_set_attribute(attribute:"solution", value:
"Upgrade the vulnerable CGSL libxslt packages. Note that updated packages may not be available yet. Please contact ZTE
for more information.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P");
script_set_cvss_temporal_vector("CVSS2#E:U/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:U/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2019-11068");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"exploit_available", value:"false");
script_set_attribute(attribute:"vuln_publication_date", value:"2019/04/10");
script_set_attribute(attribute:"patch_publication_date", value:"2021/09/24");
script_set_attribute(attribute:"plugin_publication_date", value:"2021/10/27");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_core:libxslt");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_core:libxslt-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_core:libxslt-python");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_main:libxslt");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_main:libxslt-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_main:libxslt-python");
script_set_attribute(attribute:"cpe", value:"cpe:/o:zte:cgsl_core:5");
script_set_attribute(attribute:"cpe", value:"cpe:/o:zte:cgsl_main:5");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"NewStart CGSL Local Security Checks");
script_copyright(english:"This script is Copyright (C) 2021 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("ssh_get_info.nasl");
script_require_keys("Host/local_checks_enabled", "Host/ZTE-CGSL/release", "Host/ZTE-CGSL/rpm-list", "Host/cpu");
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);
var release = get_kb_item('Host/ZTE-CGSL/release');
if (isnull(release) || release !~ "^CGSL (MAIN|CORE)") audit(AUDIT_OS_NOT, 'NewStart Carrier Grade Server Linux');
if (release !~ "CGSL CORE 5.05" &&
release !~ "CGSL MAIN 5.05")
audit(AUDIT_OS_NOT, 'NewStart CGSL CORE 5.05 / NewStart CGSL MAIN 5.05');
if (!get_kb_item('Host/ZTE-CGSL/rpm-list')) audit(AUDIT_PACKAGE_LIST_MISSING);
var cpu = get_kb_item('Host/cpu');
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ('x86_64' >!< cpu && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, 'NewStart Carrier Grade Server Linux', cpu);
var flag = 0;
var pkgs = {
'CGSL CORE 5.05': [
'libxslt-1.1.28-6.el7',
'libxslt-devel-1.1.28-6.el7',
'libxslt-python-1.1.28-6.el7'
],
'CGSL MAIN 5.05': [
'libxslt-1.1.28-6.el7',
'libxslt-devel-1.1.28-6.el7',
'libxslt-python-1.1.28-6.el7'
]
};
var pkg_list = pkgs[release];
foreach (pkg in pkg_list)
if (rpm_check(release:'ZTE ' + release, reference:pkg)) flag++;
if (flag)
{
security_report_v4(
port : 0,
severity : SECURITY_HOLE,
extra : rpm_report_get()
);
exit(0);
}
else
{
var tested = pkg_tests_get();
if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'libxslt');
}
Vendor | Product | Version | CPE |
---|---|---|---|
zte | cgsl_core | libxslt | p-cpe:/a:zte:cgsl_core:libxslt |
zte | cgsl_core | libxslt-devel | p-cpe:/a:zte:cgsl_core:libxslt-devel |
zte | cgsl_core | libxslt-python | p-cpe:/a:zte:cgsl_core:libxslt-python |
zte | cgsl_main | libxslt | p-cpe:/a:zte:cgsl_main:libxslt |
zte | cgsl_main | libxslt-devel | p-cpe:/a:zte:cgsl_main:libxslt-devel |
zte | cgsl_main | libxslt-python | p-cpe:/a:zte:cgsl_main:libxslt-python |
zte | cgsl_core | 5 | cpe:/o:zte:cgsl_core:5 |
zte | cgsl_main | 5 | cpe:/o:zte:cgsl_main:5 |