CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:N/I:P/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
AI Score
Confidence
High
EPSS
Percentile
90.7%
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("1.3.6.1.4.1.25623.1.0.120227");
script_cve_id("CVE-2015-1855");
script_tag(name:"creation_date", value:"2015-09-08 11:20:54 +0000 (Tue, 08 Sep 2015)");
script_version("2021-12-14T09:49:32+0000");
script_tag(name:"last_modification", value:"2021-12-14 09:49:32 +0000 (Tue, 14 Dec 2021)");
script_tag(name:"cvss_base", value:"4.3");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:N/I:P/A:N");
script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2020-09-30 12:27:00 +0000 (Wed, 30 Sep 2020)");
script_name("Amazon Linux: Security Advisory (ALAS-2015-533)");
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-2015-533");
script_xref(name:"URL", value:"https://alas.aws.amazon.com/ALAS-2015-533.html");
script_xref(name:"URL", value:"https://www.ruby-lang.org/en/news/2015/04/13/ruby-openssl-hostname-matching-vulnerability/");
script_tag(name:"summary", value:"The remote host is missing an update for the 'ruby22' package(s) announced via the ALAS-2015-533 advisory.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable package version is present on the target host.");
script_tag(name:"insight", value:"As discussed in an upstream announcement, Ruby's OpenSSL extension suffers a vulnerability through overly permissive matching of hostnames, which can lead to similar bugs such as CVE-2014-1492.");
script_tag(name:"affected", value:"'ruby22' 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:"ruby22", rpm:"ruby22~2.2.2~1.5.amzn1", rls:"AMAZON"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"ruby22-debuginfo", rpm:"ruby22-debuginfo~2.2.2~1.5.amzn1", rls:"AMAZON"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"ruby22-devel", rpm:"ruby22-devel~2.2.2~1.5.amzn1", rls:"AMAZON"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"ruby22-doc", rpm:"ruby22-doc~2.2.2~1.5.amzn1", rls:"AMAZON"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"ruby22-irb", rpm:"ruby22-irb~2.2.2~1.5.amzn1", rls:"AMAZON"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"ruby22-libs", rpm:"ruby22-libs~2.2.2~1.5.amzn1", rls:"AMAZON"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"rubygem22-bigdecimal", rpm:"rubygem22-bigdecimal~1.2.6~1.5.amzn1", rls:"AMAZON"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"rubygem22-io-console", rpm:"rubygem22-io-console~0.4.3~1.5.amzn1", rls:"AMAZON"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"rubygem22-psych", rpm:"rubygem22-psych~2.0.8~1.5.amzn1", rls:"AMAZON"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"rubygems22", rpm:"rubygems22~2.4.5~1.5.amzn1", rls:"AMAZON"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"rubygems22-devel", rpm:"rubygems22-devel~2.4.5~1.5.amzn1", rls:"AMAZON"))) {
report += res;
}
if(report != "") {
security_message(data:report);
} else if(__pkg_match) {
exit(99);
}
exit(0);
}
exit(0);
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:N/I:P/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
AI Score
Confidence
High
EPSS
Percentile
90.7%