7.2 High
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:C/I:C/A:C
7.8 High
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
8 High
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
38.5%
The remote host is missing an update for the
# Copyright (C) 2022 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("1.3.6.1.4.1.25623.1.0.854534");
script_version("2023-10-19T05:05:21+0000");
script_cve_id("CVE-2019-20044", "CVE-2021-45444");
script_tag(name:"cvss_base", value:"7.2");
script_tag(name:"cvss_base_vector", value:"AV:L/AC:L/Au:N/C:C/I:C/A:C");
script_tag(name:"last_modification", value:"2023-10-19 05:05:21 +0000 (Thu, 19 Oct 2023)");
script_tag(name:"severity_vector", value:"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2022-02-23 20:16:00 +0000 (Wed, 23 Feb 2022)");
script_tag(name:"creation_date", value:"2022-03-05 02:01:49 +0000 (Sat, 05 Mar 2022)");
script_name("openSUSE: Security Advisory for zsh (openSUSE-SU-2022:0735-1)");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2022 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\.4|openSUSELeap15\.3)");
script_xref(name:"Advisory-ID", value:"openSUSE-SU-2022:0735-1");
script_xref(name:"URL", value:"https://lists.opensuse.org/archives/list/[email protected]/thread/BYQO6XCA5HFPKOF2ANXLGSZGFT63LHPA");
script_tag(name:"summary", value:"The remote host is missing an update for the 'zsh'
package(s) announced via the openSUSE-SU-2022:0735-1 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 zsh fixes the following issues:
- CVE-2021-45444: Fixed a vulnerability where arbitrary shell commands
could be executed related to prompt expansion (bsc#1196435).
- CVE-2019-20044: Fixed a vulnerability where shell privileges would not
be properly dropped when unsetting the PRIVILEGED option (bsc#1163882).");
script_tag(name:"affected", value:"'zsh' package(s) on openSUSE Leap 15.3, openSUSE Leap 15.4.");
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 == "openSUSELeap15.4") {
if(!isnull(res = isrpmvuln(pkg:"zsh", rpm:"zsh~5.6~7.5.1", rls:"openSUSELeap15.4"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"zsh-debuginfo", rpm:"zsh-debuginfo~5.6~7.5.1", rls:"openSUSELeap15.4"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"zsh-debugsource", rpm:"zsh-debugsource~5.6~7.5.1", rls:"openSUSELeap15.4"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"zsh-htmldoc", rpm:"zsh-htmldoc~5.6~7.5.1", rls:"openSUSELeap15.4"))) {
report += res;
}
if(report != "") {
security_message(data:report);
} else if(__pkg_match) {
exit(99);
}
exit(0);
}
if(release == "openSUSELeap15.3") {
if(!isnull(res = isrpmvuln(pkg:"zsh", rpm:"zsh~5.6~7.5.1", rls:"openSUSELeap15.3"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"zsh-debuginfo", rpm:"zsh-debuginfo~5.6~7.5.1", rls:"openSUSELeap15.3"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"zsh-debugsource", rpm:"zsh-debugsource~5.6~7.5.1", rls:"openSUSELeap15.3"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"zsh-htmldoc", rpm:"zsh-htmldoc~5.6~7.5.1", rls:"openSUSELeap15.3"))) {
report += res;
}
if(report != "") {
security_message(data:report);
} else if(__pkg_match) {
exit(99);
}
exit(0);
}
exit(0);
7.2 High
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:C/I:C/A:C
7.8 High
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
8 High
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
38.5%