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openvasCopyright (C) 2022 Greenbone AGOPENVAS:13614125623114202239471
HistoryNov 14, 2022 - 12:00 a.m.

SUSE: Security Advisory (SUSE-SU-2022:3947-1)

2022-11-1400:00:00
Copyright (C) 2022 Greenbone AG
plugins.openvas.org
10
suse-su-2022:3947-1
xen package
dos vulnerabilities
memory vulnerabilities
security advisory
suse linux enterprise

CVSS3

8.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

6.4

Confidence

Low

EPSS

0.001

Percentile

27.5%

The remote host is missing an update for the

# 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("1.3.6.1.4.1.25623.1.1.4.2022.3947.1");
  script_cve_id("CVE-2022-33746", "CVE-2022-33747", "CVE-2022-33748", "CVE-2022-42309", "CVE-2022-42310", "CVE-2022-42311", "CVE-2022-42312", "CVE-2022-42313", "CVE-2022-42314", "CVE-2022-42315", "CVE-2022-42316", "CVE-2022-42317", "CVE-2022-42318", "CVE-2022-42319", "CVE-2022-42320", "CVE-2022-42321", "CVE-2022-42322", "CVE-2022-42323", "CVE-2022-42325", "CVE-2022-42326");
  script_tag(name:"creation_date", value:"2022-11-14 04:33:56 +0000 (Mon, 14 Nov 2022)");
  script_version("2024-02-02T14:37:51+0000");
  script_tag(name:"last_modification", value:"2024-02-02 14:37:51 +0000 (Fri, 02 Feb 2024)");
  script_tag(name:"cvss_base", value:"6.8");
  script_tag(name:"cvss_base_vector", value:"AV:L/AC:L/Au:S/C:C/I:C/A:C");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2022-11-03 14:50:31 +0000 (Thu, 03 Nov 2022)");

  script_name("SUSE: Security Advisory (SUSE-SU-2022:3947-1)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2022 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=(SLES15\.0SP3)");

  script_xref(name:"Advisory-ID", value:"SUSE-SU-2022:3947-1");
  script_xref(name:"URL", value:"https://www.suse.com/support/update/announcement/2022/suse-su-20223947-1/");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'xen' package(s) announced via the SUSE-SU-2022:3947-1 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-2022-33746: Fixed DoS due to excessively long P2M pool freeing
 (bsc#1203806)

CVE-2022-33748: Fixed DoS due to race in locking (bsc#1203807)

CVE-2022-42311, CVE-2022-42312, CVE-2022-42313, CVE-2022-42314,
 CVE-2022-42315, CVE-2022-42316, CVE-2022-42317, CVE-2022-42318: xen:
 Xenstore: Guests can let xenstored run out of memory (bsc#1204482)

CVE-2022-42309: xen: Xenstore: Guests can crash xenstored (bsc#1204485)

CVE-2022-42310: xen: Xenstore: Guests can create orphaned Xenstore nodes
 (bsc#1204487)

CVE-2022-42319: xen: Xenstore: Guests can cause Xenstore to not free
 temporary memory (bsc#1204488)

CVE-2022-42320: xen: Xenstore: Guests can get access to Xenstore nodes
 of deleted domains (bsc#1204489)

CVE-2022-42321: xen: Xenstore: Guests can crash xenstored via exhausting
 the stack (bsc#1204490)

CVE-2022-42322,CVE-2022-42323: xen: Xenstore: cooperating guests can
 create arbitrary numbers of nodes (bsc#1204494)

CVE-2022-42325,CVE-2022-42326: xen: Xenstore: Guests can create
 arbitrary number of nodes via transactions (bsc#1204496)

xen: Frontends vulnerable to backends (bsc#1193923)");

  script_tag(name:"affected", value:"'xen' package(s) on SUSE Linux Enterprise Micro 5.1, SUSE Linux Enterprise Micro 5.2, SUSE Linux Enterprise Module for Basesystem 15-SP3, SUSE Linux Enterprise Module for Server Applications 15-SP3.");

  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 == "SLES15.0SP3") {

  if(!isnull(res = isrpmvuln(pkg:"xen-debugsource", rpm:"xen-debugsource~4.14.5_08~150300.3.40.1", rls:"SLES15.0SP3"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-libs", rpm:"xen-libs~4.14.5_08~150300.3.40.1", rls:"SLES15.0SP3"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-libs-debuginfo", rpm:"xen-libs-debuginfo~4.14.5_08~150300.3.40.1", rls:"SLES15.0SP3"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-tools-domU", rpm:"xen-tools-domU~4.14.5_08~150300.3.40.1", rls:"SLES15.0SP3"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-tools-domU-debuginfo", rpm:"xen-tools-domU-debuginfo~4.14.5_08~150300.3.40.1", rls:"SLES15.0SP3"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen", rpm:"xen~4.14.5_08~150300.3.40.1", rls:"SLES15.0SP3"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-devel", rpm:"xen-devel~4.14.5_08~150300.3.40.1", rls:"SLES15.0SP3"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-tools", rpm:"xen-tools~4.14.5_08~150300.3.40.1", rls:"SLES15.0SP3"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-tools-debuginfo", rpm:"xen-tools-debuginfo~4.14.5_08~150300.3.40.1", rls:"SLES15.0SP3"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-tools-xendomains-wait-disk", rpm:"xen-tools-xendomains-wait-disk~4.14.5_08~150300.3.40.1", rls:"SLES15.0SP3"))) {
    report += res;
  }

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

exit(0);

CVSS3

8.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

6.4

Confidence

Low

EPSS

0.001

Percentile

27.5%