Vulnerabilities > CVE-2017-9255 - Excessive Iteration vulnerability in Audiocoding Freeware Advanced Audio Decoder 2 2.7

047910
CVSS 7.1 - HIGH
Attack vector
NETWORK
Attack complexity
MEDIUM
Privileges required
NONE
Confidentiality impact
NONE
Integrity impact
NONE
Availability impact
COMPLETE
network
audiocoding
CWE-834
nessus

Summary

The mp4ff_read_stsc function in common/mp4ff/mp4atom.c in Freeware Advanced Audio Decoder 2 (FAAD2) 2.7 allows remote attackers to cause a denial of service (large loop and CPU consumption) via a crafted mp4 file.

Vulnerable Configurations

Part Description Count
Application
Audiocoding
1

Common Weakness Enumeration (CWE)

Nessus

NASL familyDebian Local Security Checks
NASL idDEBIAN_DLA-1077.NASL
descriptionVarious security issues were discovered in faad2, a fast audio decoder, that would allow remote attackers to cause a denial of service (application crash due to memory failures or large CPU consumption) via a crafted mp4 file. For Debian 7
last seen2020-03-17
modified2017-08-31
plugin id102844
published2017-08-31
reporterThis script is Copyright (C) 2017-2020 Tenable Network Security, Inc.
sourcehttps://www.tenable.com/plugins/nessus/102844
titleDebian DLA-1077-1 : faad2 security update
code
#%NASL_MIN_LEVEL 80502
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Debian Security Advisory DLA-1077-1. The text
# itself is copyright (C) Software in the Public Interest, Inc.
#

include("compat.inc");

if (description)
{
  script_id(102844);
  script_version("3.4");
  script_set_attribute(attribute:"plugin_modification_date", value:"2020/03/12");

  script_cve_id("CVE-2017-9218", "CVE-2017-9219", "CVE-2017-9220", "CVE-2017-9221", "CVE-2017-9222", "CVE-2017-9223", "CVE-2017-9253", "CVE-2017-9254", "CVE-2017-9255", "CVE-2017-9256", "CVE-2017-9257");

  script_name(english:"Debian DLA-1077-1 : faad2 security update");
  script_summary(english:"Checks dpkg output for the updated packages.");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote Debian host is missing a security update."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"Various security issues were discovered in faad2, a fast audio
decoder, that would allow remote attackers to cause a denial of
service (application crash due to memory failures or large CPU
consumption) via a crafted mp4 file.

For Debian 7 'Wheezy', these problems have been fixed in version
2.7-8+deb7u1.

We recommend that you upgrade your faad2 packages.

NOTE: Tenable Network Security has extracted the preceding description
block directly from the DLA security advisory. Tenable has attempted
to automatically clean and format it as much as possible without
introducing additional issues."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://lists.debian.org/debian-lts-announce/2017/08/msg00029.html"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://packages.debian.org/source/wheezy/faad2"
  );
  script_set_attribute(attribute:"solution", value:"Upgrade the affected packages.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:L/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:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:faad");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:faad2-dbg");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libfaad-dev");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libfaad2");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:7.0");

  script_set_attribute(attribute:"patch_publication_date", value:"2017/08/30");
  script_set_attribute(attribute:"plugin_publication_date", value:"2017/08/31");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2017-2020 Tenable Network Security, Inc.");
  script_family(english:"Debian Local Security Checks");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/Debian/release", "Host/Debian/dpkg-l");

  exit(0);
}


include("audit.inc");
include("debian_package.inc");


if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (!get_kb_item("Host/Debian/release")) audit(AUDIT_OS_NOT, "Debian");
if (!get_kb_item("Host/Debian/dpkg-l")) audit(AUDIT_PACKAGE_LIST_MISSING);


flag = 0;
if (deb_check(release:"7.0", prefix:"faad", reference:"2.7-8+deb7u1")) flag++;
if (deb_check(release:"7.0", prefix:"faad2-dbg", reference:"2.7-8+deb7u1")) flag++;
if (deb_check(release:"7.0", prefix:"libfaad-dev", reference:"2.7-8+deb7u1")) flag++;
if (deb_check(release:"7.0", prefix:"libfaad2", reference:"2.7-8+deb7u1")) flag++;

if (flag)
{
  if (report_verbosity > 0) security_hole(port:0, extra:deb_report_get());
  else security_hole(0);
  exit(0);
}
else audit(AUDIT_HOST_NOT, "affected");