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openvasCopyright (C) 2023 Greenbone AGOPENVAS:1361412562310827769
HistoryMay 28, 2023 - 12:00 a.m.

Fedora: Security Advisory for microcode_ctl (FEDORA-2023-6846a1db56)

2023-05-2800:00:00
Copyright (C) 2023 Greenbone AG
plugins.openvas.org
2

6.8 Medium

CVSS3

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

5.9 Medium

AI Score

Confidence

High

4.7 Medium

CVSS2

Access Vector

ADJACENT_NETWORK

Access Complexity

LOW

Authentication

MULTIPLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:A/AC:L/Au:M/C:P/I:P/A:P

0.0004 Low

EPSS

Percentile

8.4%

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("1.3.6.1.4.1.25623.1.0.827769");
  script_version("2023-10-12T05:05:32+0000");
  script_cve_id("CVE-2022-21216", "CVE-2022-33196", "CVE-2022-33972", "CVE-2022-38090");
  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:"2023-10-12 05:05:32 +0000 (Thu, 12 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:"2023-05-28 01:09:14 +0000 (Sun, 28 May 2023)");
  script_name("Fedora: Security Advisory for microcode_ctl (FEDORA-2023-6846a1db56)");
  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-2023-6846a1db56");
  script_xref(name:"URL", value:"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TTQ3KPKGIJE4CA2MEZ4IGB4N4JAMLAD3");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'microcode_ctl'
  package(s) announced via the FEDORA-2023-6846a1db56 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&gt, .

The microcode update is volatile and needs to be uploaded on each system
boot i.e. it doesn&#39, 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.fc38", rls:"FC38"))) {
    report += res;
  }

  if(report != "") {
    security_message(data:report);
  } else if(__pkg_match) {
    exit(99);
  }
  exit(0);
}

exit(0);

6.8 Medium

CVSS3

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

5.9 Medium

AI Score

Confidence

High

4.7 Medium

CVSS2

Access Vector

ADJACENT_NETWORK

Access Complexity

LOW

Authentication

MULTIPLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:A/AC:L/Au:M/C:P/I:P/A:P

0.0004 Low

EPSS

Percentile

8.4%