Ubuntu: Security Advisory (USN-5472-1)

# 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("1.3.6.1.4.1.25623.1.0.845409");
  script_cve_id("CVE-2020-20445", "CVE-2020-20446", "CVE-2020-20450", "CVE-2020-20453", "CVE-2020-21041", "CVE-2020-21688", "CVE-2020-21697", "CVE-2020-22015", "CVE-2020-22016", "CVE-2020-22017", "CVE-2020-22019", "CVE-2020-22020", "CVE-2020-22021", "CVE-2020-22022", "CVE-2020-22023", "CVE-2020-22025", "CVE-2020-22026", "CVE-2020-22027", "CVE-2020-22028", "CVE-2020-22029", "CVE-2020-22030", "CVE-2020-22031", "CVE-2020-22032", "CVE-2020-22033", "CVE-2020-22034", "CVE-2020-22035", "CVE-2020-22036", "CVE-2020-22037", "CVE-2020-22042", "CVE-2020-35965", "CVE-2021-38114", "CVE-2021-38171", "CVE-2021-38291", "CVE-2022-1475");
  script_tag(name:"creation_date", value:"2022-06-09 08:04:07 +0000 (Thu, 09 Jun 2022)");
  script_version("2024-02-28T14:37:42+0000");
  script_tag(name:"last_modification", value:"2024-02-28 14:37:42 +0000 (Wed, 28 Feb 2024)");
  script_tag(name:"cvss_base", value:"7.5");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:P/A:P");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2021-08-30 15:37:42 +0000 (Mon, 30 Aug 2021)");

  script_name("Ubuntu: Security Advisory (USN-5472-1)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2022 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(18\.04\ LTS|20\.04\ LTS|21\.10|22\.04\ LTS)");

  script_xref(name:"Advisory-ID", value:"USN-5472-1");
  script_xref(name:"URL", value:"https://ubuntu.com/security/notices/USN-5472-1");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'ffmpeg' package(s) announced via the USN-5472-1 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 FFmpeg would attempt to divide by zero when using Linear
Predictive Coding (LPC) or AAC codecs. An attacker could possibly use this
issue to cause a denial of service. This issue only affected Ubuntu 18.04 LTS,
Ubuntu 20.04 LTS and Ubuntu 21.10. (CVE-2020-20445, CVE-2020-20446,
CVE-2020-20453)

It was discovered that FFmpeg incorrectly handled certain input. An attacker
could possibly use this issue to cause a denial of service. This issue only
affected Ubuntu 20.04 LTS. (CVE-2020-20450)

It was discovered that FFmpeg incorrectly handled file conversion to APNG
format. An attacker could possibly use this issue to cause a denial of
service. This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS.
(CVE-2020-21041)

It was discovered that FFmpeg incorrectly handled remuxing RTP-hint tracks.
A remote attacker could possibly use this issue to execute arbitrary code.
This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS.
(CVE-2020-21688)

It was discovered that FFmpeg incorrectly handled certain specially crafted
AVI files. An attacker could possibly use this issue to cause a denial of
service. This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS.
(CVE-2020-21697)

It was discovered that FFmpeg incorrectly handled writing MOV video tags. An
attacker could possibly use this issue to cause a denial of service, obtain
sensitive information or execute arbitrary code. This issue only affected
Ubuntu 18.04 LTS, Ubuntu 20.04 LTS and Ubuntu 21.10. (CVE-2020-22015)

It was discovered that FFmpeg incorrectly handled writing MOV files. An
attacker could possibly use this issue to cause a denial of service or other
unspecified impact. This issue affected only Ubuntu 18.04 LTS. (CVE-2020-22016)

It was discovered that FFmpeg incorrectly handled memory when using certain
filters. An attacker could possibly use this issue to cause a denial of service
or other unspecified impact. This issue only affected Ubuntu 18.04 LTS and
Ubuntu 20.04 LTS. (CVE-2020-22017, CVE-2020-22020, CVE-2020-22022,
CVE-2020-22023, CVE-2022-22025, CVE-2020-22026, CVE-2020-22028, CVE-2020-22031,
CVE-2020-22032, CVE-2020-22034, CVE-2020-22036, CVE-2020-22042)

It was discovered that FFmpeg incorrectly handled memory when using certain
filters. An attacker could possibly use this issue to cause a denial of service
or other unspecified impact. This issue only affected Ubuntu 18.04 LTS,
Ubuntu 20.04 LTS and Ubuntu 21.10. (CVE-2020-22019, CVE-2020-22021,
CVE-2020-22033)

It was discovered that FFmpeg incorrectly handled memory when using certain
filters. An attacker could possibly use this issue to cause a denial of service
or other unspecified impact. This issue only affected Ubuntu 21.10.
(CVE-2020-22027, CVE-2020-22029, CVE-2020-22030, CVE-2020-22035)

It was discovered that FFmpeg incorrectly handled certain specially crafted
JPEG files. An attacker could possibly use ... [Please see the references for more information on the vulnerabilities]");

  script_tag(name:"affected", value:"'ffmpeg' package(s) on Ubuntu 18.04, Ubuntu 20.04, Ubuntu 21.10, Ubuntu 22.04.");

  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 == "UBUNTU18.04 LTS") {

  if(!isnull(res = isdpkgvuln(pkg:"ffmpeg", ver:"7:3.4.11-0ubuntu0.1", rls:"UBUNTU18.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libavcodec-extra57", ver:"7:3.4.11-0ubuntu0.1", rls:"UBUNTU18.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libavcodec57", ver:"7:3.4.11-0ubuntu0.1", rls:"UBUNTU18.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libavdevice57", ver:"7:3.4.11-0ubuntu0.1", rls:"UBUNTU18.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libavfilter-extra6", ver:"7:3.4.11-0ubuntu0.1", rls:"UBUNTU18.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libavfilter6", ver:"7:3.4.11-0ubuntu0.1", rls:"UBUNTU18.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libavformat57", ver:"7:3.4.11-0ubuntu0.1", rls:"UBUNTU18.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libavresample3", ver:"7:3.4.11-0ubuntu0.1", rls:"UBUNTU18.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libavutil55", ver:"7:3.4.11-0ubuntu0.1", rls:"UBUNTU18.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libpostproc54", ver:"7:3.4.11-0ubuntu0.1", rls:"UBUNTU18.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libswresample2", ver:"7:3.4.11-0ubuntu0.1", rls:"UBUNTU18.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libswscale4", ver:"7:3.4.11-0ubuntu0.1", 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:"ffmpeg", ver:"7:4.2.7-0ubuntu0.1", rls:"UBUNTU20.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libavcodec-extra58", ver:"7:4.2.7-0ubuntu0.1", rls:"UBUNTU20.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libavcodec58", ver:"7:4.2.7-0ubuntu0.1", rls:"UBUNTU20.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libavdevice58", ver:"7:4.2.7-0ubuntu0.1", rls:"UBUNTU20.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libavfilter-extra7", ver:"7:4.2.7-0ubuntu0.1", rls:"UBUNTU20.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libavfilter7", ver:"7:4.2.7-0ubuntu0.1", rls:"UBUNTU20.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libavformat58", ver:"7:4.2.7-0ubuntu0.1", rls:"UBUNTU20.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libavresample4", ver:"7:4.2.7-0ubuntu0.1", rls:"UBUNTU20.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libavutil56", ver:"7:4.2.7-0ubuntu0.1", rls:"UBUNTU20.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libpostproc55", ver:"7:4.2.7-0ubuntu0.1", rls:"UBUNTU20.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libswresample3", ver:"7:4.2.7-0ubuntu0.1", rls:"UBUNTU20.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libswscale5", ver:"7:4.2.7-0ubuntu0.1", rls:"UBUNTU20.04 LTS"))) {
    report += res;
  }

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

if(release == "UBUNTU21.10") {

  if(!isnull(res = isdpkgvuln(pkg:"ffmpeg", ver:"7:4.4.2-0ubuntu0.21.10.1", rls:"UBUNTU21.10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libavcodec-extra58", ver:"7:4.4.2-0ubuntu0.21.10.1", rls:"UBUNTU21.10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libavcodec58", ver:"7:4.4.2-0ubuntu0.21.10.1", rls:"UBUNTU21.10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libavdevice58", ver:"7:4.4.2-0ubuntu0.21.10.1", rls:"UBUNTU21.10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libavfilter-extra7", ver:"7:4.4.2-0ubuntu0.21.10.1", rls:"UBUNTU21.10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libavfilter7", ver:"7:4.4.2-0ubuntu0.21.10.1", rls:"UBUNTU21.10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libavformat-extra58", ver:"7:4.4.2-0ubuntu0.21.10.1", rls:"UBUNTU21.10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libavformat58", ver:"7:4.4.2-0ubuntu0.21.10.1", rls:"UBUNTU21.10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libavutil56", ver:"7:4.4.2-0ubuntu0.21.10.1", rls:"UBUNTU21.10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libpostproc55", ver:"7:4.4.2-0ubuntu0.21.10.1", rls:"UBUNTU21.10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libswresample3", ver:"7:4.4.2-0ubuntu0.21.10.1", rls:"UBUNTU21.10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libswscale5", ver:"7:4.4.2-0ubuntu0.21.10.1", rls:"UBUNTU21.10"))) {
    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:"ffmpeg", ver:"7:4.4.2-0ubuntu0.22.04.1", rls:"UBUNTU22.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libavcodec-extra58", ver:"7:4.4.2-0ubuntu0.22.04.1", rls:"UBUNTU22.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libavcodec58", ver:"7:4.4.2-0ubuntu0.22.04.1", rls:"UBUNTU22.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libavdevice58", ver:"7:4.4.2-0ubuntu0.22.04.1", rls:"UBUNTU22.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libavfilter-extra7", ver:"7:4.4.2-0ubuntu0.22.04.1", rls:"UBUNTU22.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libavfilter7", ver:"7:4.4.2-0ubuntu0.22.04.1", rls:"UBUNTU22.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libavformat-extra58", ver:"7:4.4.2-0ubuntu0.22.04.1", rls:"UBUNTU22.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libavformat58", ver:"7:4.4.2-0ubuntu0.22.04.1", rls:"UBUNTU22.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libavutil56", ver:"7:4.4.2-0ubuntu0.22.04.1", rls:"UBUNTU22.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libpostproc55", ver:"7:4.4.2-0ubuntu0.22.04.1", rls:"UBUNTU22.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libswresample3", ver:"7:4.4.2-0ubuntu0.22.04.1", rls:"UBUNTU22.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libswscale5", ver:"7:4.4.2-0ubuntu0.22.04.1", rls:"UBUNTU22.04 LTS"))) {
    report += res;
  }

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

exit(0);