Debian: Security Advisory (DSA-4273-2)

# SPDX-FileCopyrightText: 2018 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("1.3.6.1.4.1.25623.1.0.704273");
  script_cve_id("CVE-2018-3639", "CVE-2018-3640");
  script_tag(name:"creation_date", value:"2018-08-15 22:00:00 +0000 (Wed, 15 Aug 2018)");
  script_version("2024-02-02T05:06:06+0000");
  script_tag(name:"last_modification", value:"2024-02-02 05:06:06 +0000 (Fri, 02 Feb 2024)");
  script_tag(name:"cvss_base", value:"4.7");
  script_tag(name:"cvss_base_vector", value:"AV:L/AC:M/Au:N/C:C/I:N/A:N");
  script_tag(name:"severity_vector", value:"CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2018-06-29 19:28:04 +0000 (Fri, 29 Jun 2018)");

  script_name("Debian: Security Advisory (DSA-4273-2)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2018 Greenbone AG");
  script_family("Debian Local Security Checks");
  script_dependencies("gather-package-list.nasl");
  script_mandatory_keys("ssh/login/debian_linux", "ssh/login/packages", re:"ssh/login/release=DEB9");

  script_xref(name:"Advisory-ID", value:"DSA-4273-2");
  script_xref(name:"URL", value:"https://www.debian.org/security/2018/DSA-4273-2");
  script_xref(name:"URL", value:"https://security-tracker.debian.org/tracker/DSA-4273");
  script_xref(name:"URL", value:"https://security-tracker.debian.org/tracker/intel-microcode");

  script_tag(name:"summary", value:"The remote host is missing an update for the Debian 'intel-microcode' package(s) announced via the DSA-4273-2 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 ships updated CPU microcode for some types of Intel CPUs and provides SSBD support (needed to address Spectre v4) and fixes for Spectre v3a.

For the stable distribution (stretch), these problems have been fixed in version 3.20180703.2~deb9u1.

We recommend that you upgrade your intel-microcode packages.

For the detailed security status of intel-microcode please refer to its security tracker page at: [link moved to references]");

  script_tag(name:"affected", value:"'intel-microcode' package(s) on Debian 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-deb.inc");

release = dpkg_get_ssh_release();
if(!release)
  exit(0);

res = "";
report = "";

if(release == "DEB9") {

  if(!isnull(res = isdpkgvuln(pkg:"intel-microcode", ver:"3.20180807a.1~deb9u1", rls:"DEB9"))) {
    report += res;
  }

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

exit(0);