SUSE: Security Advisory (SUSE-SU-2021:0694-1)

# 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("1.3.6.1.4.1.25623.1.1.4.2021.0694.1");
  script_cve_id("CVE-2020-12362", "CVE-2020-12363", "CVE-2020-12364", "CVE-2020-12373");
  script_tag(name:"creation_date", value:"2021-04-19 00:00:00 +0000 (Mon, 19 Apr 2021)");
  script_version("2025-08-15T15:42:25+0000");
  script_tag(name:"last_modification", value:"2025-08-15 15:42:25 +0000 (Fri, 15 Aug 2025)");
  script_tag(name:"cvss_base", value:"4.6");
  script_tag(name:"cvss_base_vector", value:"AV:L/AC:L/Au:N/C:P/I:P/A:P");
  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:"2021-02-22 20:39:11 +0000 (Mon, 22 Feb 2021)");

  script_name("SUSE: Security Advisory (SUSE-SU-2021:0694-1)");
  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=(SLES15\.0SP2|SLES15\.0SP1)");

  script_xref(name:"Advisory-ID", value:"SUSE-SU-2021:0694-1");
  script_xref(name:"URL", value:"https://www.suse.com/support/update/announcement/2021/suse-su-20210694-1.html");
  script_xref(name:"URL", value:"https://bugzilla.suse.com/1181720");
  script_xref(name:"URL", value:"https://bugzilla.suse.com/1181735");
  script_xref(name:"URL", value:"https://bugzilla.suse.com/1181736");
  script_xref(name:"URL", value:"https://bugzilla.suse.com/1181738");
  script_xref(name:"URL", value:"https://lists.suse.com/pipermail/sle-security-updates/2021-March/008432.html");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'kernel-firmware' package(s) announced via the SUSE-SU-2021:0694-1 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 kernel-firmware fixes the following issues:

- CVE-2020-12373: Fixed an expired pointer dereference may lead to DOS (bsc#1181738).
- CVE-2020-12364: Fixed a null pointer reference may lead to DOS (bsc#1181736).
- CVE-2020-12362: Fixed an integer overflow which could have led to privilege escalation (bsc#1181720).
- CVE-2020-12363: Fixed an improper input validation which may have led to DOS (bsc#1181735).");

  script_tag(name:"affected", value:"'kernel-firmware' package(s) on SUSE Linux Enterprise Server 15-SP1, SUSE Linux Enterprise Server for SAP Applications 15-SP1.");

  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 == "SLES15.0SP2") {

  if(!isnull(res = isrpmvuln(pkg:"kernel-firmware", rpm:"kernel-firmware~20200107~3.18.1", rls:"SLES15.0SP2"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"ucode-amd", rpm:"ucode-amd~20200107~3.18.1", rls:"SLES15.0SP2"))) {
    report += res;
  }

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

if(release == "SLES15.0SP1") {

  if(!isnull(res = isrpmvuln(pkg:"kernel-firmware", rpm:"kernel-firmware~20200107~3.18.1", rls:"SLES15.0SP1"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"ucode-amd", rpm:"ucode-amd~20200107~3.18.1", rls:"SLES15.0SP1"))) {
    report += res;
  }

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

exit(0);