SUSE: Security Advisory (SUSE-SU-2022:4051-1)

# 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("1.3.6.1.4.1.25623.1.1.4.2022.4051.1");
  script_cve_id("CVE-2021-28689", "CVE-2022-33746", "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-2022-42320", "CVE-2022-42321", "CVE-2022-42322", "CVE-2022-42323");
  script_tag(name:"creation_date", value:"2022-11-18 04:20:15 +0000 (Fri, 18 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:"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: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-2022:4051-1)");
  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=(SLES12\.0SP2)");

  script_xref(name:"Advisory-ID", value:"SUSE-SU-2022:4051-1");
  script_xref(name:"URL", value:"https://www.suse.com/support/update/announcement/2022/suse-su-20224051-1/");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'xen' package(s) announced via the SUSE-SU-2022:4051-1 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-2021-28689: Fixed speculative vulnerabilities with bare (non-shim)
 32-bit PV guests (bsc#1185104).

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-2022-42320: 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)");

  script_tag(name:"affected", value:"'xen' package(s) on SUSE Linux Enterprise Server 12-SP2.");

  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 == "SLES12.0SP2") {

  if(!isnull(res = isrpmvuln(pkg:"xen", rpm:"xen~4.7.6_28~43.98.1", rls:"SLES12.0SP2"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-debugsource", rpm:"xen-debugsource~4.7.6_28~43.98.1", rls:"SLES12.0SP2"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-doc-html", rpm:"xen-doc-html~4.7.6_28~43.98.1", rls:"SLES12.0SP2"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-libs-32bit", rpm:"xen-libs-32bit~4.7.6_28~43.98.1", rls:"SLES12.0SP2"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-libs", rpm:"xen-libs~4.7.6_28~43.98.1", rls:"SLES12.0SP2"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-libs-debuginfo-32bit", rpm:"xen-libs-debuginfo-32bit~4.7.6_28~43.98.1", rls:"SLES12.0SP2"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-libs-debuginfo", rpm:"xen-libs-debuginfo~4.7.6_28~43.98.1", rls:"SLES12.0SP2"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-tools", rpm:"xen-tools~4.7.6_28~43.98.1", rls:"SLES12.0SP2"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-tools-debuginfo", rpm:"xen-tools-debuginfo~4.7.6_28~43.98.1", rls:"SLES12.0SP2"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-tools-domU", rpm:"xen-tools-domU~4.7.6_28~43.98.1", rls:"SLES12.0SP2"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-tools-domU-debuginfo", rpm:"xen-tools-domU-debuginfo~4.7.6_28~43.98.1", rls:"SLES12.0SP2"))) {
    report += res;
  }

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

exit(0);