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openvasCopyright (C) 2021 Greenbone AGOPENVAS:13614125623114202112511
HistoryApr 26, 2021 - 12:00 a.m.

SUSE: Security Advisory (SUSE-SU-2021:1251-1)

2021-04-2600:00:00
Copyright (C) 2021 Greenbone AG
plugins.openvas.org
11
suse-su-2021:1251-1
xen
package
cve-2021-27379
cve-2021-20257
update
security advisory
suse linux enterprise server 12-sp4
suse linux enterprise server for sap 12-sp4
suse openstack cloud 9
suse openstack cloud crowbar 9
ssh
rpm

CVSS2

5.9

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

COMPLETE

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

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7.3

Confidence

High

EPSS

0

Percentile

14.2%

The remote host is missing an update for the

# SPDX-FileCopyrightText: 2021 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("1.3.6.1.4.1.25623.1.1.4.2021.1251.1");
  script_cve_id("CVE-2021-20257", "CVE-2021-27379");
  script_tag(name:"creation_date", value:"2021-04-26 00:00:00 +0000 (Mon, 26 Apr 2021)");
  script_version("2024-02-02T14:37:50+0000");
  script_tag(name:"last_modification", value:"2024-02-02 14:37:50 +0000 (Fri, 02 Feb 2024)");
  script_tag(name:"cvss_base", value:"5.9");
  script_tag(name:"cvss_base_vector", value:"AV:L/AC:M/Au:N/C:P/I:P/A:C");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2021-02-24 15:27:05 +0000 (Wed, 24 Feb 2021)");

  script_name("SUSE: Security Advisory (SUSE-SU-2021:1251-1)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2021 Greenbone AG");
  script_family("SuSE Local Security Checks");
  script_dependencies("gather-package-list.nasl");
  script_mandatory_keys("ssh/login/suse_sles", "ssh/login/rpms", re:"ssh/login/release=(SLES12\.0SP4)");

  script_xref(name:"Advisory-ID", value:"SUSE-SU-2021:1251-1");
  script_xref(name:"URL", value:"https://www.suse.com/support/update/announcement/2021/suse-su-20211251-1/");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'xen' package(s) announced via the SUSE-SU-2021:1251-1 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 xen fixes the following issues:

CVE-2021-27379: Fixed an issue where entries in the IOMMU were not being
 updated under certain circumstances due to improper backport of XSA-321
 (XSA-366, bsc#1182431)

CVE-2021-20257: Fixed an infinite loop in the e1000 NIC emulator
 (bsc#1182846)");

  script_tag(name:"affected", value:"'xen' package(s) on SUSE Linux Enterprise Server 12-SP4, SUSE Linux Enterprise Server for SAP 12-SP4, SUSE OpenStack Cloud 9, SUSE OpenStack Cloud Crowbar 9.");

  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 == "SLES12.0SP4") {

  if(!isnull(res = isrpmvuln(pkg:"xen", rpm:"xen~4.11.4_16~2.51.1", rls:"SLES12.0SP4"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-debugsource", rpm:"xen-debugsource~4.11.4_16~2.51.1", rls:"SLES12.0SP4"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-doc-html", rpm:"xen-doc-html~4.11.4_16~2.51.1", rls:"SLES12.0SP4"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-libs-32bit", rpm:"xen-libs-32bit~4.11.4_16~2.51.1", rls:"SLES12.0SP4"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-libs", rpm:"xen-libs~4.11.4_16~2.51.1", rls:"SLES12.0SP4"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-libs-debuginfo-32bit", rpm:"xen-libs-debuginfo-32bit~4.11.4_16~2.51.1", rls:"SLES12.0SP4"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-libs-debuginfo", rpm:"xen-libs-debuginfo~4.11.4_16~2.51.1", rls:"SLES12.0SP4"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-tools", rpm:"xen-tools~4.11.4_16~2.51.1", rls:"SLES12.0SP4"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-tools-debuginfo", rpm:"xen-tools-debuginfo~4.11.4_16~2.51.1", rls:"SLES12.0SP4"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-tools-domU", rpm:"xen-tools-domU~4.11.4_16~2.51.1", rls:"SLES12.0SP4"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-tools-domU-debuginfo", rpm:"xen-tools-domU-debuginfo~4.11.4_16~2.51.1", rls:"SLES12.0SP4"))) {
    report += res;
  }

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

exit(0);

CVSS2

5.9

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

COMPLETE

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

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7.3

Confidence

High

EPSS

0

Percentile

14.2%