Ubuntu: Security Advisory (USN-6487-1)

# SPDX-FileCopyrightText: 2023 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("1.3.6.1.4.1.25623.1.1.12.2023.6487.1");
  script_cve_id("CVE-2023-38469", "CVE-2023-38470", "CVE-2023-38471", "CVE-2023-38472", "CVE-2023-38473");
  script_tag(name:"creation_date", value:"2023-11-21 04:08:46 +0000 (Tue, 21 Nov 2023)");
  script_version("2024-02-02T05:06:10+0000");
  script_tag(name:"last_modification", value:"2024-02-02 05:06:10 +0000 (Fri, 02 Feb 2024)");
  script_tag(name:"cvss_base", value:"4.6");
  script_tag(name:"cvss_base_vector", value:"AV:L/AC:L/Au:S/C:N/I:N/A:C");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2023-11-09 17:46:40 +0000 (Thu, 09 Nov 2023)");

  script_name("Ubuntu: Security Advisory (USN-6487-1)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2023 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(14\.04\ LTS|16\.04\ LTS|18\.04\ LTS|20\.04\ LTS|22\.04\ LTS|23\.04|23\.10)");

  script_xref(name:"Advisory-ID", value:"USN-6487-1");
  script_xref(name:"URL", value:"https://ubuntu.com/security/notices/USN-6487-1");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'avahi' package(s) announced via the USN-6487-1 advisory.");

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

  script_tag(name:"insight", value:"Evgeny Vereshchagin discovered that Avahi contained several reachable
assertions, which could lead to intentional assertion failures when
specially crafted user input was given. An attacker could possibly use
this issue to cause a denial of service. (CVE-2023-38469, CVE-2023-38470,
CVE-2023-38471, CVE-2023-38472, CVE-2023-38473)");

  script_tag(name:"affected", value:"'avahi' package(s) on Ubuntu 14.04, Ubuntu 16.04, Ubuntu 18.04, Ubuntu 20.04, Ubuntu 22.04, Ubuntu 23.04, Ubuntu 23.10.");

  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 == "UBUNTU14.04 LTS") {

  if(!isnull(res = isdpkgvuln(pkg:"avahi-daemon", ver:"0.6.31-4ubuntu1.3+esm3", rls:"UBUNTU14.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libavahi-client3", ver:"0.6.31-4ubuntu1.3+esm3", rls:"UBUNTU14.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libavahi-common3", ver:"0.6.31-4ubuntu1.3+esm3", rls:"UBUNTU14.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libavahi-core7", ver:"0.6.31-4ubuntu1.3+esm3", rls:"UBUNTU14.04 LTS"))) {
    report += res;
  }

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

if(release == "UBUNTU16.04 LTS") {

  if(!isnull(res = isdpkgvuln(pkg:"avahi-daemon", ver:"0.6.32~rc+dfsg-1ubuntu2.3+esm3", rls:"UBUNTU16.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libavahi-client3", ver:"0.6.32~rc+dfsg-1ubuntu2.3+esm3", rls:"UBUNTU16.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libavahi-common3", ver:"0.6.32~rc+dfsg-1ubuntu2.3+esm3", rls:"UBUNTU16.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libavahi-core7", ver:"0.6.32~rc+dfsg-1ubuntu2.3+esm3", 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:"avahi-daemon", ver:"0.7-3.1ubuntu1.3+esm2", rls:"UBUNTU18.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libavahi-client3", ver:"0.7-3.1ubuntu1.3+esm2", rls:"UBUNTU18.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libavahi-common3", ver:"0.7-3.1ubuntu1.3+esm2", rls:"UBUNTU18.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libavahi-core7", ver:"0.7-3.1ubuntu1.3+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:"avahi-daemon", ver:"0.7-4ubuntu7.3", rls:"UBUNTU20.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libavahi-client3", ver:"0.7-4ubuntu7.3", rls:"UBUNTU20.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libavahi-common3", ver:"0.7-4ubuntu7.3", rls:"UBUNTU20.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libavahi-core7", ver:"0.7-4ubuntu7.3", 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:"avahi-daemon", ver:"0.8-5ubuntu5.2", rls:"UBUNTU22.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libavahi-client3", ver:"0.8-5ubuntu5.2", rls:"UBUNTU22.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libavahi-common3", ver:"0.8-5ubuntu5.2", rls:"UBUNTU22.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libavahi-core7", ver:"0.8-5ubuntu5.2", rls:"UBUNTU22.04 LTS"))) {
    report += res;
  }

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

if(release == "UBUNTU23.04") {

  if(!isnull(res = isdpkgvuln(pkg:"avahi-daemon", ver:"0.8-6ubuntu1.23.04.2", rls:"UBUNTU23.04"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libavahi-client3", ver:"0.8-6ubuntu1.23.04.2", rls:"UBUNTU23.04"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libavahi-common3", ver:"0.8-6ubuntu1.23.04.2", rls:"UBUNTU23.04"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libavahi-core7", ver:"0.8-6ubuntu1.23.04.2", rls:"UBUNTU23.04"))) {
    report += res;
  }

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

if(release == "UBUNTU23.10") {

  if(!isnull(res = isdpkgvuln(pkg:"avahi-daemon", ver:"0.8-10ubuntu1.1", rls:"UBUNTU23.10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libavahi-client3", ver:"0.8-10ubuntu1.1", rls:"UBUNTU23.10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libavahi-common3", ver:"0.8-10ubuntu1.1", rls:"UBUNTU23.10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libavahi-core7", ver:"0.8-10ubuntu1.1", rls:"UBUNTU23.10"))) {
    report += res;
  }

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

exit(0);