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openvasCopyright (C) 2024 Greenbone AGOPENVAS:1361412562310886252
HistoryMar 25, 2024 - 12:00 a.m.

Fedora: Security Advisory for shim-unsigned-aarch64 (FEDORA-2024-2aa28a4cfc)

2024-03-2500:00:00
Copyright (C) 2024 Greenbone AG
plugins.openvas.org
6
fedora
security
advisory
shim-unsigned-aarch64
uefi
bootloader
fedora 38

8.3 High

CVSS3

Attack Vector

ADJACENT

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

6.9 Medium

AI Score

Confidence

High

0.025 Low

EPSS

Percentile

90.2%

The remote host is missing an update for the

# SPDX-FileCopyrightText: 2024 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("1.3.6.1.4.1.25623.1.0.886252");
  script_version("2024-04-18T05:05:33+0000");
  script_cve_id("CVE-2023-40546", "CVE-2023-40547", "CVE-2023-40548", "CVE-2023-40549", "CVE-2023-40550", "CVE-2023-40551");
  script_tag(name:"cvss_base", value:"6.8");
  script_tag(name:"cvss_base_vector", value:"AV:A/AC:H/Au:N/C:C/I:C/A:C");
  script_tag(name:"last_modification", value:"2024-04-18 05:05:33 +0000 (Thu, 18 Apr 2024)");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2024-02-08 19:25:40 +0000 (Thu, 08 Feb 2024)");
  script_tag(name:"creation_date", value:"2024-03-25 09:37:04 +0000 (Mon, 25 Mar 2024)");
  script_name("Fedora: Security Advisory for shim-unsigned-aarch64 (FEDORA-2024-2aa28a4cfc)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2024 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-2024-2aa28a4cfc");
  script_xref(name:"URL", value:"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BLTFSIWJDS3TAE7QCXWDDPMODDVUE7UR");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'shim-unsigned-aarch64'
  package(s) announced via the FEDORA-2024-2aa28a4cfc advisory.");

  script_tag(name:"vuldetect", value:"Checks if a vulnerable package version is present on the target host.");

  script_tag(name:"insight", value:"Initial UEFI bootloader that handles chaining to a trusted full
bootloader under secure boot environments.");

  script_tag(name:"affected", value:"'shim-unsigned-aarch64' 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:"shim-unsigned-aarch64", rpm:"shim-unsigned-aarch64~15.8~2", rls:"FC38"))) {
    report += res;
  }

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

exit(0);

8.3 High

CVSS3

Attack Vector

ADJACENT

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

6.9 Medium

AI Score

Confidence

High

0.025 Low

EPSS

Percentile

90.2%