CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:S/C:N/I:N/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
AI Score
Confidence
High
EPSS
Percentile
67.8%
The remote host is missing an update for the
# Copyright (C) 2021 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("1.3.6.1.4.1.25623.1.0.854224");
script_version("2021-10-28T14:01:13+0000");
script_cve_id("CVE-2021-37750");
script_tag(name:"cvss_base", value:"4.0");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:S/C:N/I:N/A:P");
script_tag(name:"last_modification", value:"2021-10-28 14:01:13 +0000 (Thu, 28 Oct 2021)");
script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2021-08-30 11:49:00 +0000 (Mon, 30 Aug 2021)");
script_tag(name:"creation_date", value:"2021-10-19 01:02:50 +0000 (Tue, 19 Oct 2021)");
script_name("openSUSE: Security Advisory for krb5 (openSUSE-SU-2021:3454-1)");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2021 Greenbone Networks GmbH");
script_family("SuSE Local Security Checks");
script_dependencies("gather-package-list.nasl");
script_mandatory_keys("ssh/login/suse", "ssh/login/rpms", re:"ssh/login/release=openSUSELeap15\.3");
script_xref(name:"Advisory-ID", value:"openSUSE-SU-2021:3454-1");
script_xref(name:"URL", value:"https://lists.opensuse.org/archives/list/[email protected]/thread/4LN5FUC4TZVB7GKLTDOBR7UQD6W4262A");
script_tag(name:"summary", value:"The remote host is missing an update for the 'krb5'
package(s) announced via the openSUSE-SU-2021:3454-1 advisory.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable package version is present on the target host.");
script_tag(name:"insight", value:"This update for krb5 fixes the following issues:
- CVE-2021-37750: Fixed KDC null pointer dereference via a FAST inner body
that lacks a server field (bsc#1189929).");
script_tag(name:"affected", value:"'krb5' package(s) on openSUSE Leap 15.3.");
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 == "openSUSELeap15.3") {
if(!isnull(res = isrpmvuln(pkg:"krb5", rpm:"krb5~1.16.3~3.24.1", rls:"openSUSELeap15.3"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"krb5-client", rpm:"krb5-client~1.16.3~3.24.1", rls:"openSUSELeap15.3"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"krb5-client-debuginfo", rpm:"krb5-client-debuginfo~1.16.3~3.24.1", rls:"openSUSELeap15.3"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"krb5-debuginfo", rpm:"krb5-debuginfo~1.16.3~3.24.1", rls:"openSUSELeap15.3"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"krb5-debugsource", rpm:"krb5-debugsource~1.16.3~3.24.1", rls:"openSUSELeap15.3"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"krb5-devel", rpm:"krb5-devel~1.16.3~3.24.1", rls:"openSUSELeap15.3"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"krb5-plugin-kdb-ldap", rpm:"krb5-plugin-kdb-ldap~1.16.3~3.24.1", rls:"openSUSELeap15.3"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"krb5-plugin-kdb-ldap-debuginfo", rpm:"krb5-plugin-kdb-ldap-debuginfo~1.16.3~3.24.1", rls:"openSUSELeap15.3"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"krb5-plugin-preauth-otp", rpm:"krb5-plugin-preauth-otp~1.16.3~3.24.1", rls:"openSUSELeap15.3"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"krb5-plugin-preauth-otp-debuginfo", rpm:"krb5-plugin-preauth-otp-debuginfo~1.16.3~3.24.1", rls:"openSUSELeap15.3"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"krb5-plugin-preauth-pkinit", rpm:"krb5-plugin-preauth-pkinit~1.16.3~3.24.1", rls:"openSUSELeap15.3"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"krb5-plugin-preauth-pkinit-debuginfo", rpm:"krb5-plugin-preauth-pkinit-debuginfo~1.16.3~3.24.1", rls:"openSUSELeap15.3"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"krb5-server", rpm:"krb5-server~1.16.3~3.24.1", rls:"openSUSELeap15.3"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"krb5-server-debuginfo", rpm:"krb5-server-debuginfo~1.16.3~3.24.1", rls:"openSUSELeap15.3"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"krb5-32bit", rpm:"krb5-32bit~1.16.3~3.24.1", rls:"openSUSELeap15.3"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"krb5-32bit-debuginfo", rpm:"krb5-32bit-debuginfo~1.16.3~3.24.1", rls:"openSUSELeap15.3"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"krb5-devel-32bit", rpm:"krb5-devel-32bit~1.16.3~3.24.1", rls:"openSUSELeap15.3"))) {
report += res;
}
if(report != "") {
security_message(data:report);
} else if(__pkg_match) {
exit(99);
}
exit(0);
}
exit(0);
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:S/C:N/I:N/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
AI Score
Confidence
High
EPSS
Percentile
67.8%