7.5 High
CVSS3
Attack Vector
ADJACENT
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
LOW
Availability Impact
LOW
CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:L/A:L
7.8 High
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
47.6%
The remote host is missing an update for the
# SPDX-FileCopyrightText: 2023 Greenbone AG
# 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-only
if(description)
{
script_oid("1.3.6.1.4.1.25623.1.0.884667");
script_version("2023-10-13T05:06:10+0000");
script_cve_id("CVE-2022-21216", "CVE-2022-40982", "CVE-2022-41804", "CVE-2023-23908");
script_tag(name:"cvss_base", value:"7.2");
script_tag(name:"cvss_base_vector", value:"AV:A/AC:L/Au:M/C:C/I:C/A:C");
script_tag(name:"last_modification", value:"2023-10-13 05:06:10 +0000 (Fri, 13 Oct 2023)");
script_tag(name:"severity_vector", value:"CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2023-02-28 19:42:00 +0000 (Tue, 28 Feb 2023)");
script_tag(name:"creation_date", value:"2023-08-17 01:14:35 +0000 (Thu, 17 Aug 2023)");
script_name("Fedora: Security Advisory for microcode_ctl (FEDORA-2023-e1482687dd)");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2023 Greenbone AG");
script_family("Fedora Local Security Checks");
script_dependencies("gather-package-list.nasl");
script_mandatory_keys("ssh/login/fedora", "ssh/login/rpms", re:"ssh/login/release=FC38");
script_xref(name:"Advisory-ID", value:"FEDORA-2023-e1482687dd");
script_xref(name:"URL", value:"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OL7WI2TJCWSZIQP2RIOLWHOKLM25M44J");
script_tag(name:"summary", value:"The remote host is missing an update for the 'microcode_ctl'
package(s) announced via the FEDORA-2023-e1482687dd advisory.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable package version is present on the target host.");
script_tag(name:"insight", value:"The microcode_ctl utility is a companion to the microcode driver written
by Tigran Aivazian <tigran(a)aivazian.fsnet.co.uk>, .
The microcode update is volatile and needs to be uploaded on each system
boot i.e. it doesn', t reflash your cpu permanently, reboot and it reverts
back to the old microcode.");
script_tag(name:"affected", value:"'microcode_ctl' package(s) on Fedora 38.");
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 == "FC38") {
if(!isnull(res = isrpmvuln(pkg:"microcode_ctl", rpm:"microcode_ctl~2.1~55.1.fc38", rls:"FC38"))) {
report += res;
}
if(report != "") {
security_message(data:report);
} else if(__pkg_match) {
exit(99);
}
exit(0);
}
exit(0);
7.5 High
CVSS3
Attack Vector
ADJACENT
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
LOW
Availability Impact
LOW
CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:L/A:L
7.8 High
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
47.6%