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Ubuntu: Security Advisory (USN-4419-1)

🗓️ 09 Jul 2020 00:00:00Reported by Copyright (C) 2020 Greenbone AGType 
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Ubuntu: Security Advisory (USN-4419-1) - Missing update for multiple package(s) leading to denial of service and arbitrary code execution

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# SPDX-FileCopyrightText: 2020 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("1.3.6.1.4.1.25623.1.0.844496");
  script_cve_id("CVE-2020-10690", "CVE-2020-10711", "CVE-2020-12770", "CVE-2020-13143", "CVE-2020-8992");
  script_tag(name:"creation_date", value:"2020-07-09 03:00:30 +0000 (Thu, 09 Jul 2020)");
  script_version("2024-02-02T05:06:07+0000");
  script_tag(name:"last_modification", value:"2024-02-02 05:06:07 +0000 (Fri, 02 Feb 2024)");
  script_tag(name:"cvss_base", value:"4.9");
  script_tag(name:"cvss_base_vector", value:"AV:L/AC:L/Au:N/C:N/I:N/A:C");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2020-05-13 13:59:47 +0000 (Wed, 13 May 2020)");

  script_name("Ubuntu: Security Advisory (USN-4419-1)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2020 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)");

  script_xref(name:"Advisory-ID", value:"USN-4419-1");
  script_xref(name:"URL", value:"https://ubuntu.com/security/notices/USN-4419-1");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'linux, linux-aws, linux-kvm, linux-lts-xenial, linux-raspi2, linux-snapdragon' package(s) announced via the USN-4419-1 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 a race condition existed in the Precision Time
Protocol (PTP) implementation in the Linux kernel, leading to a use-after-
free vulnerability. A local attacker could possibly use this to cause a
denial of service (system crash) or possibly execute arbitrary code.
(CVE-2020-10690)

Matthew Sheets discovered that the SELinux network label handling
implementation in the Linux kernel could be coerced into de-referencing a
NULL pointer. A remote attacker could use this to cause a denial of service
(system crash). (CVE-2020-10711)

It was discovered that the SCSI generic (sg) driver in the Linux kernel did
not properly handle certain error conditions correctly. A local privileged
attacker could use this to cause a denial of service (system crash).
(CVE-2020-12770)

It was discovered that the USB Gadget device driver in the Linux kernel did
not validate arguments passed from configfs in some situations. A local
attacker could possibly use this to cause a denial of service (system
crash) or possibly expose sensitive information. (CVE-2020-13143)

Shijie Luo discovered that the ext4 file system implementation in the Linux
kernel did not properly check for a too-large journal size. An attacker
could use this to construct a malicious ext4 image that, when mounted,
could cause a denial of service (soft lockup). (CVE-2020-8992)");

  script_tag(name:"affected", value:"'linux, linux-aws, linux-kvm, linux-lts-xenial, linux-raspi2, linux-snapdragon' package(s) on Ubuntu 14.04, Ubuntu 16.04.");

  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 == "UBUNTU14.04 LTS") {

  if(!isnull(res = isdpkgvuln(pkg:"linux-image-4.4.0-1074-aws", ver:"4.4.0-1074.78", rls:"UBUNTU14.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"linux-image-4.4.0-185-generic", ver:"4.4.0-185.215~14.04.1", rls:"UBUNTU14.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"linux-image-4.4.0-185-generic-lpae", ver:"4.4.0-185.215~14.04.1", rls:"UBUNTU14.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"linux-image-4.4.0-185-lowlatency", ver:"4.4.0-185.215~14.04.1", rls:"UBUNTU14.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"linux-image-4.4.0-185-powerpc-e500mc", ver:"4.4.0-185.215~14.04.1", rls:"UBUNTU14.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"linux-image-4.4.0-185-powerpc-smp", ver:"4.4.0-185.215~14.04.1", rls:"UBUNTU14.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"linux-image-4.4.0-185-powerpc64-emb", ver:"4.4.0-185.215~14.04.1", rls:"UBUNTU14.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"linux-image-4.4.0-185-powerpc64-smp", ver:"4.4.0-185.215~14.04.1", rls:"UBUNTU14.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"linux-image-aws", ver:"4.4.0.1074.71", rls:"UBUNTU14.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"linux-image-generic-lpae-lts-xenial", ver:"4.4.0.185.162", rls:"UBUNTU14.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"linux-image-generic-lts-xenial", ver:"4.4.0.185.162", rls:"UBUNTU14.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"linux-image-lowlatency-lts-xenial", ver:"4.4.0.185.162", rls:"UBUNTU14.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"linux-image-powerpc-e500mc-lts-xenial", ver:"4.4.0.185.162", rls:"UBUNTU14.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"linux-image-powerpc-smp-lts-xenial", ver:"4.4.0.185.162", rls:"UBUNTU14.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"linux-image-powerpc64-emb-lts-xenial", ver:"4.4.0.185.162", rls:"UBUNTU14.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"linux-image-powerpc64-smp-lts-xenial", ver:"4.4.0.185.162", rls:"UBUNTU14.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"linux-image-virtual-lts-xenial", ver:"4.4.0.185.162", 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:"linux-image-4.4.0-1076-kvm", ver:"4.4.0-1076.83", rls:"UBUNTU16.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"linux-image-4.4.0-1110-aws", ver:"4.4.0-1110.121", rls:"UBUNTU16.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"linux-image-4.4.0-1135-raspi2", ver:"4.4.0-1135.144", rls:"UBUNTU16.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"linux-image-4.4.0-1139-snapdragon", ver:"4.4.0-1139.147", rls:"UBUNTU16.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"linux-image-4.4.0-185-generic", ver:"4.4.0-185.215", rls:"UBUNTU16.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"linux-image-4.4.0-185-generic-lpae", ver:"4.4.0-185.215", rls:"UBUNTU16.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"linux-image-4.4.0-185-lowlatency", ver:"4.4.0-185.215", rls:"UBUNTU16.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"linux-image-4.4.0-185-powerpc-e500mc", ver:"4.4.0-185.215", rls:"UBUNTU16.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"linux-image-4.4.0-185-powerpc-smp", ver:"4.4.0-185.215", rls:"UBUNTU16.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"linux-image-4.4.0-185-powerpc64-emb", ver:"4.4.0-185.215", rls:"UBUNTU16.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"linux-image-4.4.0-185-powerpc64-smp", ver:"4.4.0-185.215", rls:"UBUNTU16.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"linux-image-aws", ver:"4.4.0.1110.114", rls:"UBUNTU16.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"linux-image-generic", ver:"4.4.0.185.191", rls:"UBUNTU16.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"linux-image-generic-lpae", ver:"4.4.0.185.191", rls:"UBUNTU16.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"linux-image-kvm", ver:"4.4.0.1076.74", rls:"UBUNTU16.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"linux-image-lowlatency", ver:"4.4.0.185.191", rls:"UBUNTU16.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"linux-image-powerpc-e500mc", ver:"4.4.0.185.191", rls:"UBUNTU16.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"linux-image-powerpc-smp", ver:"4.4.0.185.191", rls:"UBUNTU16.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"linux-image-powerpc64-emb", ver:"4.4.0.185.191", rls:"UBUNTU16.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"linux-image-powerpc64-smp", ver:"4.4.0.185.191", rls:"UBUNTU16.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"linux-image-raspi2", ver:"4.4.0.1135.135", rls:"UBUNTU16.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"linux-image-snapdragon", ver:"4.4.0.1139.131", rls:"UBUNTU16.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"linux-image-virtual", ver:"4.4.0.185.191", rls:"UBUNTU16.04 LTS"))) {
    report += res;
  }

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

exit(0);

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02 Feb 2024 00:00Current
7.4High risk
Vulners AI Score7.4
CVSS 24.9
CVSS 3.16.5 - 6.7
EPSS0.04505
ubuntuusn-4419-1security advisorylinuxawskvmlts-xenialraspi2snapdragoncve-2020-10690cve-2020-10711cve-2020-12770cve-2020-13143cve-2020-8992denial of servicesystem crashprecision time protocolrace conditionuse-after-freeselinuxnull pointerscsi generic driverusb gadget driverext4 file systemjournal sizesoft lockup.
76