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nessusThis script is Copyright (C) 2020-2024 and is owned by Tenable, Inc. or an Affiliate thereof.AL2_ALAS-2020-1452.NASL
HistoryJul 20, 2020 - 12:00 a.m.

Amazon Linux 2 : file (ALAS-2020-1452)

2020-07-2000:00:00
This script is Copyright (C) 2020-2024 and is owned by Tenable, Inc. or an Affiliate thereof.
www.tenable.com
11

5.5 Medium

AI Score

Confidence

High

The do_core_note function in readelf.c in libmagic.a in file 5.33 allows remote attackers to cause a denial of service (out-of-bounds read and application crash) via a crafted ELF file. (CVE-2018-10360)

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Amazon Linux 2 Security Advisory ALAS-2020-1452.
#

include('compat.inc');

if (description)
{
  script_id(138618);
  script_version("1.3");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/03/01");

  script_cve_id("CVE-2018-10360");
  script_xref(name:"ALAS", value:"2020-1452");

  script_name(english:"Amazon Linux 2 : file (ALAS-2020-1452)");

  script_set_attribute(attribute:"synopsis", value:
"The remote Amazon Linux 2 host is missing a security update.");
  script_set_attribute(attribute:"description", value:
"The do_core_note function in readelf.c in libmagic.a in file 5.33
allows remote attackers to cause a denial of service (out-of-bounds
read and application crash) via a crafted ELF file. (CVE-2018-10360)");
  script_set_attribute(attribute:"see_also", value:"https://alas.aws.amazon.com/AL2/ALAS-2020-1452.html");
  script_set_attribute(attribute:"solution", value:
"Run 'yum update file' to update your system.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2018-10360");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");

  script_set_attribute(attribute:"vuln_publication_date", value:"2018/06/11");
  script_set_attribute(attribute:"patch_publication_date", value:"2020/07/17");
  script_set_attribute(attribute:"plugin_publication_date", value:"2020/07/20");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:file");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:file-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:file-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:file-libs");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:file-static");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:python-magic");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:amazon:linux:2");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Amazon Linux Local Security Checks");

  script_copyright(english:"This script is Copyright (C) 2020-2024 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/AmazonLinux/release", "Host/AmazonLinux/rpm-list");

  exit(0);
}


include("audit.inc");
include("global_settings.inc");
include("rpm.inc");


if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);

release = get_kb_item("Host/AmazonLinux/release");
if (isnull(release) || !strlen(release)) audit(AUDIT_OS_NOT, "Amazon Linux");
os_ver = pregmatch(pattern: "^AL(A|\d)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "Amazon Linux");
os_ver = os_ver[1];
if (os_ver != "2")
{
  if (os_ver == 'A') os_ver = 'AMI';
  audit(AUDIT_OS_NOT, "Amazon Linux 2", "Amazon Linux " + os_ver);
}

if (!get_kb_item("Host/AmazonLinux/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);


flag = 0;
if (rpm_check(release:"AL2", reference:"file-5.11-36.amzn2.0.1")) flag++;
if (rpm_check(release:"AL2", reference:"file-debuginfo-5.11-36.amzn2.0.1")) flag++;
if (rpm_check(release:"AL2", reference:"file-devel-5.11-36.amzn2.0.1")) flag++;
if (rpm_check(release:"AL2", reference:"file-libs-5.11-36.amzn2.0.1")) flag++;
if (rpm_check(release:"AL2", reference:"file-static-5.11-36.amzn2.0.1")) flag++;
if (rpm_check(release:"AL2", reference:"python-magic-5.11-36.amzn2.0.1")) flag++;

if (flag)
{
  if (report_verbosity > 0) security_warning(port:0, extra:rpm_report_get());
  else security_warning(0);
  exit(0);
}
else
{
  tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, "file / file-debuginfo / file-devel / file-libs / file-static / etc");
}

5.5 Medium

AI Score

Confidence

High

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