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Debian DLA-1161-1 : redis security update

2017-11-06T00:00:00
ID DEBIAN_DLA-1161.NASL
Type nessus
Reporter Tenable
Modified 2018-07-09T00:00:00

Description

It was discovered that there was a 'Cross Protocol Scripting' attack in the Redis key-value database.

'POST' and 'Host:' command strings (which are not valid in the Redis protocol) were not immediately rejected when an attacker makes HTTP request to the Redis TCP port.

For Debian 7 'Wheezy', this issue has been fixed in redis version 2:2.4.14-1+deb7u2.

We recommend that you upgrade your redis 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.

                                        
                                            #
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Debian Security Advisory DLA-1161-1. The text
# itself is copyright (C) Software in the Public Interest, Inc.
#

include("compat.inc");

if (description)
{
  script_id(104399);
  script_version("3.4");
  script_cvs_date("Date: 2018/07/09 12:26:58");

  script_cve_id("CVE-2016-1051");

  script_name(english:"Debian DLA-1161-1 : redis security update");
  script_summary(english:"Checks dpkg output for the updated package.");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote Debian host is missing a security update."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"It was discovered that there was a 'Cross Protocol Scripting' attack
in the Redis key-value database.

'POST' and 'Host:' command strings (which are not valid in the Redis
protocol) were not immediately rejected when an attacker makes HTTP
request to the Redis TCP port.

For Debian 7 'Wheezy', this issue has been fixed in redis version
2:2.4.14-1+deb7u2.

We recommend that you upgrade your redis 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/2017/11/msg00004.html"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://packages.debian.org/source/wheezy/redis"
  );
  script_set_attribute(
    attribute:"solution", 
    value:"Upgrade the affected redis-server package."
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C");
  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:N/S:U/C:H/I:H/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:redis-server");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:7.0");

  script_set_attribute(attribute:"patch_publication_date", value:"2017/11/05");
  script_set_attribute(attribute:"plugin_publication_date", value:"2017/11/06");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2017-2018 and is owned by Tenable, Inc. or an Affiliate thereof.");
  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:"redis-server", reference:"2:2.4.14-1+deb7u2")) 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");
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