Vulnerabilities > CVE-2019-14234 - SQL Injection vulnerability in multiple products
Summary
An issue was discovered in Django 1.11.x before 1.11.23, 2.1.x before 2.1.11, and 2.2.x before 2.2.4. Due to an error in shallow key transformation, key and index lookups for django.contrib.postgres.fields.JSONField, and key lookups for django.contrib.postgres.fields.HStoreField, were subject to SQL injection. This could, for example, be exploited via crafted use of "OR 1=1" in a key or index name to return all records, using a suitably crafted dictionary, with dictionary expansion, as the **kwargs passed to the QuerySet.filter() function.
Vulnerable Configurations
Common Weakness Enumeration (CWE)
Common Attack Pattern Enumeration and Classification (CAPEC)
- Command Line Execution through SQL Injection An attacker uses standard SQL injection methods to inject data into the command line for execution. This could be done directly through misuse of directives such as MSSQL_xp_cmdshell or indirectly through injection of data into the database that would be interpreted as shell commands. Sometime later, an unscrupulous backend application (or could be part of the functionality of the same application) fetches the injected data stored in the database and uses this data as command line arguments without performing proper validation. The malicious data escapes that data plane by spawning new commands to be executed on the host.
- Object Relational Mapping Injection An attacker leverages a weakness present in the database access layer code generated with an Object Relational Mapping (ORM) tool or a weakness in the way that a developer used a persistence framework to inject his or her own SQL commands to be executed against the underlying database. The attack here is similar to plain SQL injection, except that the application does not use JDBC to directly talk to the database, but instead it uses a data access layer generated by an ORM tool or framework (e.g. Hibernate). While most of the time code generated by an ORM tool contains safe access methods that are immune to SQL injection, sometimes either due to some weakness in the generated code or due to the fact that the developer failed to use the generated access methods properly, SQL injection is still possible.
- SQL Injection through SOAP Parameter Tampering An attacker modifies the parameters of the SOAP message that is sent from the service consumer to the service provider to initiate a SQL injection attack. On the service provider side, the SOAP message is parsed and parameters are not properly validated before being used to access a database in a way that does not use parameter binding, thus enabling the attacker to control the structure of the executed SQL query. This pattern describes a SQL injection attack with the delivery mechanism being a SOAP message.
- Expanding Control over the Operating System from the Database An attacker is able to leverage access gained to the database to read / write data to the file system, compromise the operating system, create a tunnel for accessing the host machine, and use this access to potentially attack other machines on the same network as the database machine. Traditionally SQL injections attacks are viewed as a way to gain unauthorized read access to the data stored in the database, modify the data in the database, delete the data, etc. However, almost every data base management system (DBMS) system includes facilities that if compromised allow an attacker complete access to the file system, operating system, and full access to the host running the database. The attacker can then use this privileged access to launch subsequent attacks. These facilities include dropping into a command shell, creating user defined functions that can call system level libraries present on the host machine, stored procedures, etc.
- SQL Injection This attack exploits target software that constructs SQL statements based on user input. An attacker crafts input strings so that when the target software constructs SQL statements based on the input, the resulting SQL statement performs actions other than those the application intended. SQL Injection results from failure of the application to appropriately validate input. When specially crafted user-controlled input consisting of SQL syntax is used without proper validation as part of SQL queries, it is possible to glean information from the database in ways not envisaged during application design. Depending upon the database and the design of the application, it may also be possible to leverage injection to have the database execute system-related commands of the attackers' choice. SQL Injection enables an attacker to talk directly to the database, thus bypassing the application completely. Successful injection can cause information disclosure as well as ability to add or modify data in the database. In order to successfully inject SQL and retrieve information from a database, an attacker:
Nessus
NASL family Fedora Local Security Checks NASL id FEDORA_2019-647F74CE51.NASL description fixes for CVE-2019-14232 to 14235 Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues. last seen 2020-06-01 modified 2020-06-02 plugin id 127936 published 2019-08-20 reporter This script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/127936 title Fedora 30 : python-django (2019-647f74ce51) code # # (C) Tenable Network Security, Inc. # # The descriptive text and package checks in this plugin were # extracted from Fedora Security Advisory FEDORA-2019-647f74ce51. # include("compat.inc"); if (description) { script_id(127936); script_version("1.3"); script_cvs_date("Date: 2020/01/02"); script_cve_id("CVE-2019-14232", "CVE-2019-14233", "CVE-2019-14234", "CVE-2019-14235"); script_xref(name:"FEDORA", value:"2019-647f74ce51"); script_name(english:"Fedora 30 : python-django (2019-647f74ce51)"); script_summary(english:"Checks rpm output for the updated package."); script_set_attribute( attribute:"synopsis", value:"The remote Fedora host is missing a security update." ); script_set_attribute( attribute:"description", value: "fixes for CVE-2019-14232 to 14235 Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website. 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://bodhi.fedoraproject.org/updates/FEDORA-2019-647f74ce51" ); script_set_attribute( attribute:"solution", value:"Update the affected python-django package." ); script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/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: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:"plugin_type", value:"local"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fedoraproject:fedora:python-django"); script_set_attribute(attribute:"cpe", value:"cpe:/o:fedoraproject:fedora:30"); script_set_attribute(attribute:"vuln_publication_date", value:"2019/08/02"); script_set_attribute(attribute:"patch_publication_date", value:"2019/08/15"); script_set_attribute(attribute:"plugin_publication_date", value:"2019/08/20"); script_set_attribute(attribute:"generated_plugin", value:"current"); script_end_attributes(); script_category(ACT_GATHER_INFO); script_copyright(english:"This script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof."); script_family(english:"Fedora Local Security Checks"); script_dependencies("ssh_get_info.nasl"); script_require_keys("Host/local_checks_enabled", "Host/RedHat/release", "Host/RedHat/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/RedHat/release"); if (isnull(release) || "Fedora" >!< release) audit(AUDIT_OS_NOT, "Fedora"); os_ver = pregmatch(pattern: "Fedora.*release ([0-9]+)", string:release); if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "Fedora"); os_ver = os_ver[1]; if (! preg(pattern:"^30([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Fedora 30", "Fedora " + os_ver); if (!get_kb_item("Host/RedHat/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING); cpu = get_kb_item("Host/cpu"); if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH); if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Fedora", cpu); flag = 0; if (rpm_check(release:"FC30", reference:"python-django-2.1.11-1.fc30")) flag++; if (flag) { security_report_v4( port : 0, severity : SECURITY_HOLE, extra : rpm_report_get() ); exit(0); } else { tested = pkg_tests_get(); if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested); else audit(AUDIT_PACKAGE_NOT_INSTALLED, "python-django"); }
NASL family Ubuntu Local Security Checks NASL id UBUNTU_USN-4084-1.NASL description It was discovered that Django incorrectly handled the Truncator function. A remote attacker could possibly use this issue to cause Django to consume resources, leading to a denial of service. (CVE-2019-14232) It was discovered that Django incorrectly handled the strip_tags function. A remote attacker could possibly use this issue to cause Django to consume resources, leading to a denial of service. (CVE-2019-14233) It was discovered that Django incorrectly handled certain lookups in the PostgreSQL support. A remote attacker could possibly use this issue to perform SQL injection attacks. (CVE-2019-14234) It was discovered that Django incorrectly handled certain invalid UTF-8 octet sequences. A remote attacker could possibly use this issue to cause Django to consume resources, leading to a denial of service. (CVE-2019-14235). 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NASL family Gentoo Local Security Checks NASL id GENTOO_GLSA-202004-17.NASL description The remote host is affected by the vulnerability described in GLSA-202004-17 (Django: Multiple vulnerabilities) Multiple vulnerabilities have been discovered in Django. Please review the CVE identifiers referenced below for details. Impact : A remote attacker, by sending specially crafted input, could possibly cause a Denial of Service condition, or alter the database. Workaround : There is no known workaround at this time. last seen 2020-05-08 modified 2020-05-01 plugin id 136216 published 2020-05-01 reporter This script is Copyright (C) 2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/136216 title GLSA-202004-17 : Django: Multiple vulnerabilities code # # (C) Tenable Network Security, Inc. # # The descriptive text and package checks in this plugin were # extracted from Gentoo Linux Security Advisory GLSA 202004-17. # # The advisory text is Copyright (C) 2001-2020 Gentoo Foundation, Inc. # and licensed under the Creative Commons - Attribution / Share Alike # license. See http://creativecommons.org/licenses/by-sa/3.0/ # include("compat.inc"); if (description) { script_id(136216); script_version("1.2"); script_set_attribute(attribute:"plugin_modification_date", value:"2020/05/07"); script_cve_id("CVE-2019-12308", "CVE-2019-14232", "CVE-2019-14233", "CVE-2019-14234", "CVE-2019-14235", "CVE-2019-19118", "CVE-2019-19844", "CVE-2020-7471", "CVE-2020-9402"); script_xref(name:"GLSA", value:"202004-17"); script_name(english:"GLSA-202004-17 : Django: Multiple vulnerabilities"); script_summary(english:"Checks for updated package(s) in /var/db/pkg"); script_set_attribute( attribute:"synopsis", value: "The remote Gentoo host is missing one or more security-related patches." ); script_set_attribute( attribute:"description", value: "The remote host is affected by the vulnerability described in GLSA-202004-17 (Django: Multiple vulnerabilities) Multiple vulnerabilities have been discovered in Django. Please review the CVE identifiers referenced below for details. Impact : A remote attacker, by sending specially crafted input, could possibly cause a Denial of Service condition, or alter the database. Workaround : There is no known workaround at this time." ); script_set_attribute( attribute:"see_also", value:"https://security.gentoo.org/glsa/202004-17" ); script_set_attribute( attribute:"solution", value: "All Django users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose '>=dev-python/django-2.2.11'" ); script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P"); script_set_cvss_temporal_vector("CVSS2#E:POC/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:P/RL:O/RC:C"); script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available"); script_set_attribute(attribute:"exploit_available", value:"true"); script_set_attribute(attribute:"plugin_type", value:"local"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:gentoo:linux:django"); script_set_attribute(attribute:"cpe", value:"cpe:/o:gentoo:linux"); script_set_attribute(attribute:"vuln_publication_date", value:"2019/06/03"); script_set_attribute(attribute:"patch_publication_date", value:"2020/04/30"); script_set_attribute(attribute:"plugin_publication_date", value:"2020/05/01"); script_set_attribute(attribute:"generated_plugin", value:"current"); script_end_attributes(); script_category(ACT_GATHER_INFO); script_copyright(english:"This script is Copyright (C) 2020 and is owned by Tenable, Inc. or an Affiliate thereof."); script_family(english:"Gentoo Local Security Checks"); script_dependencies("ssh_get_info.nasl"); script_require_keys("Host/local_checks_enabled", "Host/Gentoo/release", "Host/Gentoo/qpkg-list"); exit(0); } include("audit.inc"); include("global_settings.inc"); include("qpkg.inc"); if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED); if (!get_kb_item("Host/Gentoo/release")) audit(AUDIT_OS_NOT, "Gentoo"); if (!get_kb_item("Host/Gentoo/qpkg-list")) audit(AUDIT_PACKAGE_LIST_MISSING); flag = 0; if (qpkg_check(package:"dev-python/django", unaffected:make_list("ge 2.2.11"), vulnerable:make_list("lt 2.2.11"))) flag++; if (flag) { if (report_verbosity > 0) security_hole(port:0, extra:qpkg_report_get()); else security_hole(0); exit(0); } else { tested = qpkg_tests_get(); if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested); else audit(AUDIT_PACKAGE_NOT_INSTALLED, "Django"); }
NASL family FreeBSD Local Security Checks NASL id FREEBSD_PKG_6E65DFEAB61411E9A3A21506E15611CC.NASL description Django release notes : CVE-2019-14232: Denial-of-service possibility in django.utils.text.Truncator If django.utils.text.Truncator last seen 2020-06-01 modified 2020-06-02 plugin id 127547 published 2019-08-12 reporter This script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/127547 title FreeBSD : Django -- multiple vulnerabilities (6e65dfea-b614-11e9-a3a2-1506e15611cc) NASL family Debian Local Security Checks NASL id DEBIAN_DSA-4498.NASL description Several vulnerabilities were discovered in python-django, a web development framework. They could lead to remote denial-of-service or SQL injection, last seen 2020-06-01 modified 2020-06-02 plugin id 127822 published 2019-08-13 reporter This script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/127822 title Debian DSA-4498-1 : python-django - security update NASL family SuSE Local Security Checks NASL id OPENSUSE-2019-1839.NASL description This update for python-Django fixes the following issues : Security issues fixed : 	 - CVE-2019-11358: Fixed prototype pollution. - CVE-2019-12308: Fixed XSS in AdminURLFieldWidget (bsc#1136468) - CVE-2019-12781: Fixed incorrect HTTP detection with reverse-proxy connecting via HTTPS (bsc#1139945). - CVE-2019-14232: Fixed denial-of-service possibility in ``django.utils.text.Truncator`` (bsc#1142880). - CVE-2019-14233: Fixed denial-of-service possibility in ``strip_tags()`` (bsc#1142882). - CVE-2019-14234: Fixed SQL injection possibility in key and index lookups for ``JSONField``/``HStoreField`` (bsc#1142883). - CVE-2019-14235: Fixed potential memory exhaustion in ``django.utils.encoding.uri_to_iri()`` (bsc#1142885). Non-security issues fixed : - Fixed a migration crash on PostgreSQL when adding a check constraint with a contains lookup on DateRangeField or DateTimeRangeField, if the right hand side of an expression is the same type. last seen 2020-06-01 modified 2020-06-02 plugin id 127742 published 2019-08-12 reporter This script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/127742 title openSUSE Security Update : python-Django (openSUSE-2019-1839)
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References
- https://www.djangoproject.com/weblog/2019/aug/01/security-releases/
- https://docs.djangoproject.com/en/dev/releases/security/
- https://seclists.org/bugtraq/2019/Aug/15
- https://www.debian.org/security/2019/dsa-4498
- http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00025.html
- https://security.netapp.com/advisory/ntap-20190828-0002/
- https://security.gentoo.org/glsa/202004-17
- https://groups.google.com/forum/#%21topic/django-announce/jIoju2-KLDs
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/STVX7X7IDWAH5SKE6MBMY3TEI6ZODBTK/