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
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
0.021 Low
EPSS
Percentile
89.2%
Fix ANSI escape sequence vulnerability (CVE-2017-0899).
Fix DoS vulnerability in the query command (CVE-2017-0900).
Fix a vulnerability in the gem installer that allowed a malicious gem to overwrite arbitrary files (CVE-2017-0901).
Fix DNS request hijacking vulnerability (CVE-2017-0902).
Fix arbitrary heap exposure during a JSON.generate call (CVE-2017-14064).
Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website.
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.
#
# The descriptive text and package checks in this plugin were
# extracted from Fedora Security Advisory FEDORA-2017-e136d63c99.
#
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(103341);
script_version("3.6");
script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/06");
script_cve_id("CVE-2017-0899", "CVE-2017-0900", "CVE-2017-0901", "CVE-2017-0902", "CVE-2017-14064");
script_xref(name:"FEDORA", value:"2017-e136d63c99");
script_name(english:"Fedora 25 : ruby (2017-e136d63c99)");
script_summary(english:"Checks rpm output for the updated package.");
script_set_attribute(
attribute:"synopsis",
value:"The remote Fedora host is missing a security update."
);
script_set_attribute(
attribute:"description",
value:
" - Fix ANSI escape sequence vulnerability (CVE-2017-0899).
- Fix DoS vulnerability in the query command
(CVE-2017-0900).
- Fix a vulnerability in the gem installer that allowed a
malicious gem to overwrite arbitrary files
(CVE-2017-0901).
- Fix DNS request hijacking vulnerability (CVE-2017-0902).
- Fix arbitrary heap exposure during a JSON.generate call
(CVE-2017-14064).
Note that Tenable Network Security has extracted the preceding
description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as
possible without introducing additional issues."
);
script_set_attribute(
attribute:"see_also",
value:"https://bodhi.fedoraproject.org/updates/FEDORA-2017-e136d63c99"
);
script_set_attribute(attribute:"solution", value:"Update the affected ruby package.");
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: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:"exploitability_ease", value:"Exploits are available");
script_set_attribute(attribute:"exploit_available", value:"true");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fedoraproject:fedora:ruby");
script_set_attribute(attribute:"cpe", value:"cpe:/o:fedoraproject:fedora:25");
script_set_attribute(attribute:"vuln_publication_date", value:"2017/08/31");
script_set_attribute(attribute:"patch_publication_date", value:"2017/09/15");
script_set_attribute(attribute:"plugin_publication_date", value:"2017/09/20");
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:"Fedora Local Security Checks");
script_dependencies("ssh_get_info.nasl");
script_require_keys("Host/local_checks_enabled", "Host/RedHat/release", "Host/RedHat/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/RedHat/release");
if (isnull(release) || "Fedora" >!< release) audit(AUDIT_OS_NOT, "Fedora");
os_ver = pregmatch(pattern: "Fedora.*release ([0-9]+)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "Fedora");
os_ver = os_ver[1];
if (! preg(pattern:"^25([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Fedora 25", "Fedora " + os_ver);
if (!get_kb_item("Host/RedHat/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);
cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Fedora", cpu);
flag = 0;
if (rpm_check(release:"FC25", reference:"ruby-2.3.4-64.fc25")) 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, "ruby");
}
Vendor | Product | Version | CPE |
---|---|---|---|
fedoraproject | fedora | ruby | p-cpe:/a:fedoraproject:fedora:ruby |
fedoraproject | fedora | 25 | cpe:/o:fedoraproject:fedora:25 |
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-0899
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-0900
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-0901
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-0902
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-14064
bodhi.fedoraproject.org/updates/FEDORA-2017-e136d63c99
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
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
0.021 Low
EPSS
Percentile
89.2%