CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
Percentile
79.2%
An update for liblouis is now available for Red Hat Enterprise Linux 7.
Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Liblouis is an open source braille translator and back-translator named in honor of Louis Braille. It features support for computer and literary braille, supports contracted and uncontracted translation for many languages and has support for hyphenation. New languages can easily be added through tables that support a rule or dictionary based approach. Liblouis also supports math braille (Nemeth and Marburg).
Security Fix(es) :
The CVE-2014-8184 issue was discovered by Raphael Sanchez Prudencio (Red Hat).
#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Red Hat Security Advisory RHSA-2017:3111 and
# CentOS Errata and Security Advisory 2017:3111 respectively.
#
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(104396);
script_version("3.9");
script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/04");
script_cve_id("CVE-2014-8184", "CVE-2017-13738", "CVE-2017-13740", "CVE-2017-13741", "CVE-2017-13742", "CVE-2017-13743", "CVE-2017-13744");
script_xref(name:"RHSA", value:"2017:3111");
script_name(english:"CentOS 7 : liblouis (CESA-2017:3111)");
script_summary(english:"Checks rpm output for the updated packages");
script_set_attribute(
attribute:"synopsis",
value:"The remote CentOS host is missing one or more security updates."
);
script_set_attribute(
attribute:"description",
value:
"An update for liblouis is now available for Red Hat Enterprise Linux
7.
Red Hat Product Security has rated this update as having a security
impact of Moderate. A Common Vulnerability Scoring System (CVSS) base
score, which gives a detailed severity rating, is available for each
vulnerability from the CVE link(s) in the References section.
Liblouis is an open source braille translator and back-translator
named in honor of Louis Braille. It features support for computer and
literary braille, supports contracted and uncontracted translation for
many languages and has support for hyphenation. New languages can
easily be added through tables that support a rule or dictionary based
approach. Liblouis also supports math braille (Nemeth and Marburg).
Security Fix(es) :
* Multiple flaws were found in the processing of translation tables in
liblouis. An attacker could crash or potentially execute arbitrary
code using malicious translation tables. (CVE-2014-8184,
CVE-2017-13738, CVE-2017-13740, CVE-2017-13741, CVE-2017-13742,
CVE-2017-13743, CVE-2017-13744)
The CVE-2014-8184 issue was discovered by Raphael Sanchez Prudencio
(Red Hat)."
);
# https://lists.centos.org/pipermail/centos-announce/2017-November/022612.html
script_set_attribute(
attribute:"see_also",
value:"http://www.nessus.org/u?67c547f4"
);
script_set_attribute(
attribute:"solution",
value:"Update the affected liblouis packages."
);
script_set_cvss_base_vector("CVSS2#AV:N/AC:M/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:R/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-2014-8184");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"exploit_available", value:"false");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:liblouis");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:liblouis-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:liblouis-doc");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:liblouis-python");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:liblouis-utils");
script_set_attribute(attribute:"cpe", value:"cpe:/o:centos:centos:7");
script_set_attribute(attribute:"vuln_publication_date", value:"2017/08/29");
script_set_attribute(attribute:"patch_publication_date", value:"2017/11/03");
script_set_attribute(attribute:"plugin_publication_date", value:"2017/11/06");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_copyright(english:"This script is Copyright (C) 2017-2021 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_family(english:"CentOS Local Security Checks");
script_dependencies("ssh_get_info.nasl");
script_require_keys("Host/local_checks_enabled", "Host/CentOS/release", "Host/CentOS/rpm-list");
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/CentOS/release");
if (isnull(release) || "CentOS" >!< release) audit(AUDIT_OS_NOT, "CentOS");
os_ver = pregmatch(pattern: "CentOS(?: Linux)? release ([0-9]+)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "CentOS");
os_ver = os_ver[1];
if (! preg(pattern:"^7([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "CentOS 7.x", "CentOS " + os_ver);
if (!get_kb_item("Host/CentOS/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);
cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "CentOS", cpu);
flag = 0;
if (rpm_check(release:"CentOS-7", cpu:"x86_64", reference:"liblouis-2.5.2-11.el7_4")) flag++;
if (rpm_check(release:"CentOS-7", cpu:"x86_64", reference:"liblouis-devel-2.5.2-11.el7_4")) flag++;
if (rpm_check(release:"CentOS-7", cpu:"x86_64", reference:"liblouis-doc-2.5.2-11.el7_4")) flag++;
if (rpm_check(release:"CentOS-7", cpu:"x86_64", reference:"liblouis-python-2.5.2-11.el7_4")) flag++;
if (rpm_check(release:"CentOS-7", cpu:"x86_64", reference:"liblouis-utils-2.5.2-11.el7_4")) flag++;
if (flag)
{
security_report_v4(
port : 0,
severity : SECURITY_WARNING,
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, "liblouis / liblouis-devel / liblouis-doc / liblouis-python / etc");
}
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-8184
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-13738
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-13740
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-13741
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-13742
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-13743
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-13744
www.nessus.org/u?67c547f4
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
Percentile
79.2%