Lucene search

K

Huawei EulerOS: Security Advisory for grub2 (EulerOS-SA-2022-1819)

🗓️ 14 Jun 2022 00:00:00Reported by Copyright (C) 2022 Greenbone AGType 
openvas
 openvas
🔗 plugins.openvas.org👁 7 Views

Huawei EulerOS 'grub2' package updat

Show more
Related
Refs
Code
# SPDX-FileCopyrightText: 2022 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("1.3.6.1.4.1.25623.1.1.2.2022.1819");
  script_cve_id("CVE-2021-3981");
  script_tag(name:"creation_date", value:"2022-06-14 04:30:32 +0000 (Tue, 14 Jun 2022)");
  script_version("2024-02-05T14:36:57+0000");
  script_tag(name:"last_modification", value:"2024-02-05 14:36:57 +0000 (Mon, 05 Feb 2024)");
  script_tag(name:"cvss_base", value:"2.1");
  script_tag(name:"cvss_base_vector", value:"AV:L/AC:L/Au:N/C:P/I:N/A:N");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2022-03-14 23:47:44 +0000 (Mon, 14 Mar 2022)");

  script_name("Huawei EulerOS: Security Advisory for grub2 (EulerOS-SA-2022-1819)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2022 Greenbone AG");
  script_family("Huawei EulerOS Local Security Checks");
  script_dependencies("gb_huawei_euleros_consolidation.nasl");
  script_mandatory_keys("ssh/login/euleros", "ssh/login/rpms", re:"ssh/login/release=EULEROS\-2\.0SP10\-X86_64");

  script_xref(name:"Advisory-ID", value:"EulerOS-SA-2022-1819");
  script_xref(name:"URL", value:"https://developer.huaweicloud.com/intl/en-us/euleros/securitydetail.html?secId=EulerOS-SA-2022-1819");

  script_tag(name:"summary", value:"The remote host is missing an update for the Huawei EulerOS 'grub2' package(s) announced via the EulerOS-SA-2022-1819 advisory.");

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

  script_tag(name:"insight", value:"A flaw in grub2 was found where its configuration file,known as grub.cfg,is being created with the wrong permission set allowing non privileged users to read its content.This represents a low severity confidentiality issue,as those users can eventually read any encrypted passwords present in grub.cfg. This flaw affects grub2 2.06 and previous versions.This issue has been fixed in grub upstream but no version with the fix is currently released.(CVE-2021-3981)");

  script_tag(name:"affected", value:"'grub2' package(s) on Huawei EulerOS V2.0SP10(x86_64).");

  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 == "EULEROS-2.0SP10-x86_64") {

  if(!isnull(res = isrpmvuln(pkg:"grub2-common", rpm:"grub2-common~2.04~16.h28.eulerosv2r10", rls:"EULEROS-2.0SP10-x86_64"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"grub2-efi-x64", rpm:"grub2-efi-x64~2.04~16.h28.eulerosv2r10", rls:"EULEROS-2.0SP10-x86_64"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"grub2-efi-x64-modules", rpm:"grub2-efi-x64-modules~2.04~16.h28.eulerosv2r10", rls:"EULEROS-2.0SP10-x86_64"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"grub2-pc", rpm:"grub2-pc~2.04~16.h28.eulerosv2r10", rls:"EULEROS-2.0SP10-x86_64"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"grub2-pc-modules", rpm:"grub2-pc-modules~2.04~16.h28.eulerosv2r10", rls:"EULEROS-2.0SP10-x86_64"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"grub2-tools", rpm:"grub2-tools~2.04~16.h28.eulerosv2r10", rls:"EULEROS-2.0SP10-x86_64"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"grub2-tools-efi", rpm:"grub2-tools-efi~2.04~16.h28.eulerosv2r10", rls:"EULEROS-2.0SP10-x86_64"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"grub2-tools-extra", rpm:"grub2-tools-extra~2.04~16.h28.eulerosv2r10", rls:"EULEROS-2.0SP10-x86_64"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"grub2-tools-minimal", rpm:"grub2-tools-minimal~2.04~16.h28.eulerosv2r10", rls:"EULEROS-2.0SP10-x86_64"))) {
    report += res;
  }

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

exit(0);

Transform Your Security Services

Elevate your offerings with Vulners' advanced Vulnerability Intelligence. Contact us for a demo and discover the difference comprehensive, actionable intelligence can make in your security strategy.

Book a live demo
14 Jun 2022 00:00Current
4.3Medium risk
Vulners AI Score4.3
CVSS22.1
CVSS33.3
EPSS0.0004
7
.json
Report