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openvasCopyright (C) 2021 Greenbone Networks GmbHOPENVAS:1361412562310146369
HistoryJul 23, 2021 - 12:00 a.m.

Redis Integer Overflow Vulnerability (GHSA-8wxq-j7rp-g8wj)

2021-07-2300:00:00
Copyright (C) 2021 Greenbone Networks GmbH
plugins.openvas.org
11
redis
integer overflow
remote code execution
vulnerability
bitfield command
32-bit
update
version 5.0.13
version 6.0.15
version 6.2.5

CVSS2

6

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:S/C:P/I:P/A:P

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

AI Score

8.3

Confidence

High

EPSS

0.017

Percentile

87.9%

Redis is prone to an integer overflow vulnerability.

# Copyright (C) 2021 Greenbone Networks GmbH
# 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-or-later
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

CPE = "cpe:/a:redis:redis";

if (description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.146369");
  script_version("2021-08-24T09:01:06+0000");
  script_tag(name:"last_modification", value:"2021-08-24 09:01:06 +0000 (Tue, 24 Aug 2021)");
  script_tag(name:"creation_date", value:"2021-07-23 08:54:20 +0000 (Fri, 23 Jul 2021)");
  script_tag(name:"cvss_base", value:"6.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:S/C:P/I:P/A:P");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2021-07-30 16:28:00 +0000 (Fri, 30 Jul 2021)");

  script_cve_id("CVE-2021-32761");

  script_tag(name:"qod_type", value:"remote_banner_unreliable");

  script_tag(name:"solution_type", value:"VendorFix");

  script_name("Redis Integer Overflow Vulnerability (GHSA-8wxq-j7rp-g8wj)");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2021 Greenbone Networks GmbH");
  script_family("Databases");
  script_dependencies("gb_redis_detect.nasl");
  script_mandatory_keys("redis/installed");

  script_tag(name:"summary", value:"Redis is prone to an integer overflow vulnerability.");

  script_tag(name:"insight", value:"On 32-bit versions, Redis BITFIELD command is vulnerable to
  integer overflow that can potentially be exploited to corrupt the heap, leak arbitrary heap
  contents or trigger remote code execution. The vulnerability involves constructing specially
  crafted bit commands which overflow the bit offset.");

  script_tag(name:"affected", value:"Redis version 2.2 and later.

  This problem only affects 32-bit versions of Redis.");

  script_tag(name:"solution", value:"Update to version 5.0.13, 6.0.15, 6.2.5 or later.");

  script_xref(name:"URL", value:"https://github.com/redis/redis/security/advisories/GHSA-8wxq-j7rp-g8wj");

  exit(0);
}

include("host_details.inc");
include("version_func.inc");

if (!port = get_app_port(cpe: CPE))
  exit(0);

if (!version = get_app_version(cpe: CPE, port: port))
  exit(0);

if (version_in_range(version: version, test_version: "2.2", test_version2: "5.0.12")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "5.0.13");
  security_message(port: port, data: report);
  exit(0);
}

if (version_in_range(version: version, test_version: "6.0", test_version2: "6.0.14")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "6.0.15");
  security_message(port: port, data: report);
  exit(0);
}

if (version_in_range(version: version, test_version: "6.2", test_version2: "6.2.4")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "6.2.5");
  security_message(port: port, data: report);
  exit(0);
}

exit(99);

CVSS2

6

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:S/C:P/I:P/A:P

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

AI Score

8.3

Confidence

High

EPSS

0.017

Percentile

87.9%