CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:N/I:N/A:P
AI Score
Confidence
High
EPSS
Percentile
88.3%
The remote host is missing an update for the
# Copyright (C) 2015 Greenbone Networks GmbH
# 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-or-later
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
if(description)
{
script_oid("1.3.6.1.4.1.25623.1.0.120194");
script_cve_id("CVE-2013-4287");
script_tag(name:"creation_date", value:"2015-09-08 11:19:44 +0000 (Tue, 08 Sep 2015)");
script_version("2022-01-06T03:03:01+0000");
script_tag(name:"last_modification", value:"2022-01-06 03:03:01 +0000 (Thu, 06 Jan 2022)");
script_tag(name:"cvss_base", value:"4.3");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:N/I:N/A:P");
script_name("Amazon Linux: Security Advisory (ALAS-2013-230)");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2015 Greenbone Networks GmbH");
script_family("Amazon Linux Local Security Checks");
script_dependencies("gather-package-list.nasl");
script_mandatory_keys("ssh/login/amazon_linux", "ssh/login/release");
script_xref(name:"Advisory-ID", value:"ALAS-2013-230");
script_xref(name:"URL", value:"https://alas.aws.amazon.com/ALAS-2013-230.html");
script_tag(name:"summary", value:"The remote host is missing an update for the 'rubygems' package(s) announced via the ALAS-2013-230 advisory.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable package version is present on the target host.");
script_tag(name:"insight", value:"Algorithmic complexity vulnerability in Gem::Version::VERSION_PATTERN in lib/rubygems/version.rb in RubyGems before 1.8.23.1, 1.8.24 through 1.8.25, 2.0.x before 2.0.8, and 2.1.x before 2.1.0, as used in Ruby 1.9.0 through 2.0.0p247, allows remote attackers to cause a denial of service (CPU consumption) via a crafted gem version that triggers a large amount of backtracking in a regular expression.");
script_tag(name:"affected", value:"'rubygems' package(s) on Amazon Linux.");
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 = "";
report = "";
if(release == "AMAZON") {
if(!isnull(res = isrpmvuln(pkg:"rubygems", rpm:"rubygems~1.8.25~7.12.amzn1", rls:"AMAZON"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"rubygems-devel", rpm:"rubygems-devel~1.8.25~7.12.amzn1", rls:"AMAZON"))) {
report += res;
}
if(report != "") {
security_message(data:report);
} else if(__pkg_match) {
exit(99);
}
exit(0);
}
exit(0);