Ubuntu: Security Advisory (USN-6967-1)

# SPDX-FileCopyrightText: 2024 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("1.3.6.1.4.1.25623.1.1.12.2024.6967.1");
  script_cve_id("CVE-2023-42667", "CVE-2023-49141", "CVE-2024-24853", "CVE-2024-24980", "CVE-2024-25939");
  script_tag(name:"creation_date", value:"2024-08-20 04:08:23 +0000 (Tue, 20 Aug 2024)");
  script_version("2024-08-20T05:05:37+0000");
  script_tag(name:"last_modification", value:"2024-08-20 05:05:37 +0000 (Tue, 20 Aug 2024)");
  script_tag(name:"cvss_base", value:"5.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:N/A:N");

  script_name("Ubuntu: Security Advisory (USN-6967-1)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2024 Greenbone AG");
  script_family("Ubuntu Local Security Checks");
  script_dependencies("gather-package-list.nasl");
  script_mandatory_keys("ssh/login/ubuntu_linux", "ssh/login/packages", re:"ssh/login/release=UBUNTU(16\.04\ LTS|18\.04\ LTS|20\.04\ LTS|22\.04\ LTS|24\.04\ LTS)");

  script_xref(name:"Advisory-ID", value:"USN-6967-1");
  script_xref(name:"URL", value:"https://ubuntu.com/security/notices/USN-6967-1");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'intel-microcode' package(s) announced via the USN-6967-1 advisory.");

  script_tag(name:"vuldetect", value:"Checks if a vulnerable package version is present on the target host.");

  script_tag(name:"insight", value:"It was discovered that some Intel(r) Core(tm) Ultra Processors did not properly
isolate the stream cache. A local authenticated user could potentially use
this to escalate their privileges. (CVE-2023-42667)

It was discovered that some Intel(r) Processors did not properly isolate the
stream cache. A local authenticated user could potentially use this to
escalate their privileges. (CVE-2023-49141)

It was discovered that some Intel(r) Processors did not correctly transition
between the executive monitor and SMI transfer monitor (STM). A privileged
local attacker could use this to escalate their privileges.
(CVE-2024-24853)

It was discovered that some 3rd, 4th, and 5th Generation Intel(r) Xeon(r)
Processors failed to properly implement a protection mechanism. A local
attacker could use this to potentially escalate their privileges.
(CVE-2024-24980)

It was discovered that some 3rd Generation Intel Xeon Scalable Processors
did not properly handle mirrored regions with different values. A
privileged local user could use this to cause a denial of service (system
crash). (CVE-2024-25939)");

  script_tag(name:"affected", value:"'intel-microcode' package(s) on Ubuntu 16.04, Ubuntu 18.04, Ubuntu 20.04, Ubuntu 22.04, Ubuntu 24.04.");

  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 == "UBUNTU16.04 LTS") {

  if(!isnull(res = isdpkgvuln(pkg:"intel-microcode", ver:"3.20240813.0ubuntu0.16.04.1+esm2", rls:"UBUNTU16.04 LTS"))) {
    report += res;
  }

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

if(release == "UBUNTU18.04 LTS") {

  if(!isnull(res = isdpkgvuln(pkg:"intel-microcode", ver:"3.20240813.0ubuntu0.18.04.1+esm2", rls:"UBUNTU18.04 LTS"))) {
    report += res;
  }

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

if(release == "UBUNTU20.04 LTS") {

  if(!isnull(res = isdpkgvuln(pkg:"intel-microcode", ver:"3.20240813.0ubuntu0.20.04.2", rls:"UBUNTU20.04 LTS"))) {
    report += res;
  }

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

if(release == "UBUNTU22.04 LTS") {

  if(!isnull(res = isdpkgvuln(pkg:"intel-microcode", ver:"3.20240813.0ubuntu0.22.04.2", rls:"UBUNTU22.04 LTS"))) {
    report += res;
  }

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

if(release == "UBUNTU24.04 LTS") {

  if(!isnull(res = isdpkgvuln(pkg:"intel-microcode", ver:"3.20240813.0ubuntu0.24.04.2", rls:"UBUNTU24.04 LTS"))) {
    report += res;
  }

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

exit(0);