Amazon Linux AMI : GraphicsMagick (ALAS-2017-820)

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Amazon Linux AMI Security Advisory ALAS-2017-820.
#

include("compat.inc");

if (description)
{
  script_id(99533);
  script_version("3.2");
  script_cvs_date("Date: 2018/04/18 15:09:36");

  script_cve_id("CVE-2016-7800", "CVE-2016-7996", "CVE-2016-7997", "CVE-2016-8682", "CVE-2016-8683", "CVE-2016-8684", "CVE-2016-9830", "CVE-2017-6335");
  script_xref(name:"ALAS", value:"2017-820");

  script_name(english:"Amazon Linux AMI : GraphicsMagick (ALAS-2017-820)");
  script_summary(english:"Checks rpm output for the updated packages");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote Amazon Linux AMI host is missing a security update."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"The QuantumTransferMode function in coders/tiff.c in GraphicsMagick
1.3.25 and earlier allows remote attackers to cause a denial of
service (out-of-bounds read and application crash) via a small samples
per pixel value in a CMYKA TIFF file.(CVE-2017-6335)

The WPG format reader in GraphicsMagick 1.3.25 and earlier allows
remote attackers to cause a denial of service (assertion failure and
crash) via vectors related to a ReferenceBlob and a NULL
pointer.(CVE-2016-7997)

Heap-based buffer overflow in the WPG format reader in GraphicsMagick
1.3.25 and earlier allows remote attackers to have unspecified impact
via a colormap with a large number of entries. (CVE-2016-7996 )

The MagickMalloc function in magick/memory.c in GraphicsMagick 1.3.25
allows remote attackers to have unspecified impact via a crafted
image, which triggers a memory allocation failure and a 'file
truncation error for corrupt file.' (CVE-2016-8684)

The ReadSCTImage function in coders/sct.c in GraphicsMagick 1.3.25
allows remote attackers to cause a denial of service (out-of-bounds
read) via a crafted SCT header. (CVE-2016-8682)

The ReadPCXImage function in coders/pcx.c in GraphicsMagick 1.3.25
allows remote attackers to have unspecified impact via a crafted
image, which triggers a memory allocation failure and a 'file
truncation error for corrupt file.' (CVE-2016-8683)

The MagickRealloc function in memory.c in Graphicsmagick 1.3.25 allows
remote attackers to cause a denial of service (crash) via large
dimensions in a jpeg image. (CVE-2016-9830)

Integer underflow in the parse8BIM function in coders/meta.c in
GraphicsMagick 1.3.25 and earlier allows remote attackers to cause a
denial of service (application crash) via a crafted 8BIM chunk, which
triggers a heap-based buffer overflow. (CVE-2016-7800 )"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://alas.aws.amazon.com/ALAS-2017-820.html"
  );
  script_set_attribute(
    attribute:"solution", 
    value:"Run 'yum update GraphicsMagick' to update your system."
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:GraphicsMagick");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:GraphicsMagick-c++");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:GraphicsMagick-c++-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:GraphicsMagick-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:GraphicsMagick-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:GraphicsMagick-doc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:GraphicsMagick-perl");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:amazon:linux");

  script_set_attribute(attribute:"patch_publication_date", value:"2017/04/20");
  script_set_attribute(attribute:"plugin_publication_date", value:"2017/04/21");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2017-2018 Tenable Network Security, Inc.");
  script_family(english:"Amazon Linux Local Security Checks");

  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 != "A")
{
  if (os_ver == 'A') os_ver = 'AMI';
  audit(AUDIT_OS_NOT, "Amazon Linux AMI", "Amazon Linux " + os_ver);
}

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


flag = 0;
if (rpm_check(release:"ALA", reference:"GraphicsMagick-1.3.25-6.10.amzn1")) flag++;
if (rpm_check(release:"ALA", reference:"GraphicsMagick-c++-1.3.25-6.10.amzn1")) flag++;
if (rpm_check(release:"ALA", reference:"GraphicsMagick-c++-devel-1.3.25-6.10.amzn1")) flag++;
if (rpm_check(release:"ALA", reference:"GraphicsMagick-debuginfo-1.3.25-6.10.amzn1")) flag++;
if (rpm_check(release:"ALA", reference:"GraphicsMagick-devel-1.3.25-6.10.amzn1")) flag++;
if (rpm_check(release:"ALA", reference:"GraphicsMagick-doc-1.3.25-6.10.amzn1")) flag++;
if (rpm_check(release:"ALA", reference:"GraphicsMagick-perl-1.3.25-6.10.amzn1")) flag++;

if (flag)
{
  if (report_verbosity > 0) security_hole(port:0, extra:rpm_report_get());
  else security_hole(0);
  exit(0);
}
else
{
  tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, "GraphicsMagick / GraphicsMagick-c++ / GraphicsMagick-c++-devel / etc");
}