Django 1.10 before 1.10.7, 1.9 before 1.9.13, and 1.8 before 1.8.18 relies on user input in some cases to redirect the user to an "on success" URL. The security check for these redirects (namely ``django.utils.http.is_safe_url()``) considered some numeric URLs "safe" when they shouldn't be, aka an open redirect vulnerability. Also, if a developer relies on ``is_safe_url()`` to provide safe redirect targets and puts such a URL into a link, they could suffer from an XSS attack.

There are packages installed that are affected by a vulnerability referenced in the following CVE:

  - Django 1.10 before 1.10.7, 1.9 before 1.9.13, and 1.8 before 1.8.18 relies on user input in some cases to
    redirect the user to an "on success" URL. The security check for these redirects (namely
    ``django.utils.http.is_safe_url()``) considered some numeric URLs "safe" when they shouldn't be, aka an
    open redirect vulnerability. Also, if a developer relies on ``is_safe_url()`` to provide safe redirect
    targets and puts such a URL into a link, they could suffer from an XSS attack. (CVE-2017-7233)

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - Django 1.10 before 1.10.7, 1.9 before 1.9.13, and 1.8 before 1.8.18 relies on user input in some cases to     redirect the user to an on success URL. The security check for these redirects (namely     ``django.utils.http.is_safe_url()``) considered some numeric URLs safe when they shouldn't be, aka an     open redirect vulnerability. Also, if a developer relies on ``is_safe_url()`` to provide safe redirect     targets and puts such a URL into a link, they could suffer from an XSS attack. (CVE-2017-7233)

Note that Nessus relies on the presence of the package as reported by the vendor.

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2017:1462 advisory.

    Django is a high-level Python Web framework that encourages rapid development and a clean, pragmatic     design. It focuses on automating as much as possible and adhering to the DRY (Don't Repeat Yourself)     principle.

    Security Fix(es):

    * A redirect flaw, where the is_safe_url() function did not correctly sanitize numeric-URL user input, was     found in python-django. A remote attacker could exploit this flaw to perform XSS attacks against the     OpenStack dashboard. (CVE-2017-7233)

    Red Hat would like to thank the Django project for reporting this issue.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2017:3093 advisory.

    Django is a high-level Python Web framework that encourages rapid development and a clean, pragmatic     design. It focuses on automating as much as possible and adhering to the DRY (Don't Repeat Yourself)     principle.

    Security Fix(es):

    * A redirect flaw, where the is_safe_url() function did not correctly sanitize numeric-URL user input, was     found in python-django. A remote attacker could exploit this flaw to perform XSS attacks against the     OpenStack dashboard. (CVE-2017-7233)

    Red Hat would like to thank the Django project for reporting this issue.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

There are packages installed that are affected by multiple vulnerabilities referenced in the following CVEs:

  - Django 1.10 before 1.10.7, 1.9 before 1.9.13, and 1.8 before 1.8.18 relies on user input in some cases to
    redirect the user to an "on success" URL. The security check for these redirects (namely
    ``django.utils.http.is_safe_url()``) considered some numeric URLs "safe" when they shouldn't be, aka an
    open redirect vulnerability. Also, if a developer relies on ``is_safe_url()`` to provide safe redirect
    targets and puts such a URL into a link, they could suffer from an XSS attack. (CVE-2017-7233)

  - A maliciously crafted URL to a Django (1.10 before 1.10.7, 1.9 before 1.9.13, and 1.8 before 1.8.18) site
    using the ``django.views.static.serve()`` view could redirect to any other domain, aka an open redirect
    vulnerability. (CVE-2017-7234)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2018:2927 advisory.

    Red Hat Satellite is a systems management tool for Linux-based infrastructure.
    It allows for provisioning, remote management, and monitoring of multiple Linux deployments with a single     centralized tool.

    Security Fix(es):

    * jackson-databind: Unsafe deserialization due to incomplete black list (incomplete fix for CVE-2017-7525)     (CVE-2017-15095)

    * hornetq: XXE/SSRF in XPath selector (CVE-2015-3208)

    * bouncycastle: Information disclosure in GCMBlockCipher (CVE-2015-6644)

    * bouncycastle: DSA does not fully validate ASN.1 encoding during signature verification allowing for     injection of unsigned data (CVE-2016-1000338)

    * bouncycastle: Information leak in AESFastEngine class (CVE-2016-1000339)

    * bouncycastle: Information exposure in DSA signature generation via timing attack (CVE-2016-1000341)

    * bouncycastle: ECDSA improper validation of ASN.1 encoding of signature (CVE-2016-1000342)

    * bouncycastle: DHIES implementation allowed the use of ECB mode (CVE-2016-1000344)

    * bouncycastle: DHIES/ECIES CBC modes are vulnerable to padding oracle attack (CVE-2016-1000345)

    * bouncycastle: Other party DH public keys are not fully validated (CVE-2016-1000346)

    * bouncycastle: ECIES implementation allowed the use of ECB mode (CVE-2016-1000352)

    * logback: Serialization vulnerability in SocketServer and ServerSocketReceiver (CVE-2017-5929)

    * python-django: Open redirect and possible XSS attack via user-supplied numeric redirect URLs     (CVE-2017-7233)

    * hibernate-validator: Privilege escalation when running under the security manager (CVE-2017-7536)

    * puppet: Environment leakage in puppet-agent (CVE-2017-10690)

    * Satellite 6: XSS in discovery rule filter autocomplete functionality (CVE-2017-12175)

    * foreman: Stored XSS in fact name or value (CVE-2017-15100)

    * pulp: sensitive credentials revealed through the API (CVE-2018-1090)

    * foreman: SQL injection due to improper handling of the widget id parameter (CVE-2018-1096)

    * foreman: Ovirt admin password exposed by foreman API (CVE-2018-1097)

    * django: Catastrophic backtracking in regular expressions via 'urlize' and 'urlizetrunc' (CVE-2018-7536)

    * django: Catastrophic backtracking in regular expressions via 'truncatechars_html' and     'truncatewords_html' (CVE-2018-7537)

    * guava: Unbounded memory allocation in AtomicDoubleArray and CompoundOrdering classes allow remote     attackers to cause a denial of service (CVE-2018-10237)

    * bouncycastle: Carry propagation bug in math.raw.Nat??? class (CVE-2016-1000340)

    * bouncycastle: DSA key pair generator generates a weak private key by default (CVE-2016-1000343)

    * puppet: Unpacking of tarballs in tar/mini.rb can create files with insecure permissions (CVE-2017-10689)

    * bouncycastle: BKS-V1 keystore files vulnerable to trivial hash collisions (CVE-2018-5382)

    For more details about the security issue(s), including the impact, a CVSS score, and other related     information, refer to the CVE page(s) listed in the References section.

    Red Hat would like to thank Liao Xinxi (NSFOCUS) for reporting CVE-2017-15095; and the Django project for     reporting CVE-2017-7233, CVE-2018-7536, and CVE-2018-7537. The CVE-2017-7536 issue was discovered by     Gunnar Morling (Red Hat); and the CVE-2018-1096 issue was discovered by Martin Povolny (Red Hat). Red Hat     would also like to thank David Jorm (IIX Product Security) for reporting CVE-2015-3208.

    Additional Changes:

    This update also fixes several bugs and adds various enhancements. Documentation for these changes is     available from the Release Notes document linked to in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

This update for python3-Django to version 1.18.18 fixes multiple issues. Security issues fixed :

  - CVE-2018-7537: Fixed catastrophic backtracking in     django.utils.text.Truncator. (bsc#1083305)

  - CVE-2018-7536: Fixed catastrophic backtracking in urlize     and urlizetrunc template filters (bsc#1083304).

  - CVE-2016-7401: CSRF protection bypass on a site with     Google Analytics (bsc#1001374).

  - CVE-2016-2513: User enumeration through timing     difference on password hasher work factor upgrade     (bsc#968000).

  - CVE-2016-2512: Fixed malicious redirect and possible XSS     attack via user-supplied redirect URLs containing basic     auth (bsc#967999).

  - CVE-2016-9013: User with hardcoded password created when     running tests on Oracle (bsc#1008050).

  - CVE-2016-9014: DNS rebinding vulnerability when     DEBUG=True (bsc#1008047).

  - CVE-2017-7234: Open redirect vulnerability in     django.views.static.serve() (bsc#1031451).

  - CVE-2017-7233: Open redirect and possible XSS attack via     user-supplied numeric redirect URLs (bsc#1031450).

  - CVE-2017-12794: Fixed XSS possibility in traceback     section of technical 500 debug page (bsc#1056284)

This update for python-Django to version 1.18.18 fixes multiple issues. Security issues fixed :

  - CVE-2018-7537: Fixed catastrophic backtracking in     django.utils.text.Truncator. (bsc#1083305)

  - CVE-2018-7536: Fixed catastrophic backtracking in urlize     and urlizetrunc template filters (bsc#1083304).

  - CVE-2016-7401: CSRF protection bypass on a site with     Google Analytics (bsc#1001374).

  - CVE-2016-2513: User enumeration through timing     difference on password hasher work factor upgrade     (bsc#968000).

  - CVE-2016-2512: Fixed malicious redirect and possible XSS     attack via user-supplied redirect URLs containing basic     auth (bsc#967999).

  - CVE-2016-9013: User with hardcoded password created when     running tests on Oracle (bsc#1008050).

  - CVE-2016-9014: DNS rebinding vulnerability when     DEBUG=True (bsc#1008047).

  - CVE-2017-7234: Open redirect vulnerability in     django.views.static.serve() (bsc#1031451).

  - CVE-2017-7233: Open redirect and possible XSS attack via     user-supplied numeric redirect URLs (bsc#1031450).

  - CVE-2017-12794: Fixed XSS possibility in traceback     section of technical 500 debug page (bsc#1056284)

fix CVE-2017-7233

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.

Several vulnerabilities were discovered in Django, a high-level Python web development framework. The Common Vulnerabilities and Exposures project identifies the following problems :

  - CVE-2016-9013     Marti Raudsepp reported that a user with a hard-coded     password is created when running tests with an Oracle     database.

  - CVE-2016-9014     Aymeric Augustin discovered that Django does not     properly validate the Host header against     settings.ALLOWED_HOSTS when the debug setting is     enabled. A remote attacker can take advantage of this     flaw to perform DNS rebinding attacks.

  - CVE-2017-7233     It was discovered that is_safe_url() does not properly     handle certain numeric URLs as safe. A remote attacker     can take advantage of this flaw to perform XSS attacks     or to use a Django server as an open redirect.

  - CVE-2017-7234     Phithon from Chaitin Tech discovered an open redirect     vulnerability in the django.views.static.serve() view.
    Note that this view is not intended for production use.

update to 1.9.13, fix for CVE-2017-7233

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.

It was discovered that there were two vulnerabilities in python-django, a high-level Python web development framework.

CVE-2017-7233 (#859515): Open redirect and possible XSS attack via user-supplied numeric redirect URLs. Django relies on user input in some cases (e.g. django.contrib.auth.views.login() and i18n) to redirect the user to an 'on success' URL. The security check for these redirects (namely is_safe_url()) considered some numeric URLs (e.g.
http:999999999) 'safe' when they shouldn't be. Also, if a developer relied on is_safe_url() to provide safe redirect targets and puts such a URL into a link, they could suffer from an XSS attack.

CVE-2017-7234 (#895516): Open redirect vulnerability in django.views.static.serve; A maliciously crafted URL to a Django site using the serve() view could redirect to any other domain. The view no longer does any redirects as they don't provide any known, useful functionality.

For Debian 7 'Wheezy', this issue has been fixed in python-django version 1.4.22-1+deb7u3.

We recommend that you upgrade your python-django 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.

The remote Ubuntu 14.04 LTS / 16.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-3254-1 advisory.

    It was discovered that Django incorrectly handled numeric redirect URLs. A remote attacker could possibly     use this issue to perform XSS attacks, and to use a Django server as an open redirect. (CVE-2017-7233)

    Phithon Gong discovered that Django incorrectly handled certain URLs when the jango.views.static.serve()     view is being used. A remote attacker could possibly use a Django server as an open redirect.
    (CVE-2017-7234)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Django team reports :

These release addresses two security issues detailed below. We encourage all users of Django to upgrade as soon as possible.

- Open redirect and possible XSS attack via user-supplied numeric redirect URLs

- Open redirect vulnerability in django.views.static.serve()

ID	Name	Product	Family	Severity
422339	SCA: security update for Django (GHSA-37hp-765x-j95x)	Tenable Cloud Security	SCA Checks	medium
422339	SCA: security update for Django (GHSA-37hp-765x-j95x)	Tenable Self-Hosted Container Security	SCA Checks	medium
221571	Linux Distros Unpatched Vulnerability : CVE-2017-7233	Nessus	Misc.	medium
210221	RHEL 7 : python-django (RHSA-2017:1462)	Nessus	Red Hat Local Security Checks	medium
194085	RHEL 7 : python-django (RHSA-2017:3093)	Nessus	Red Hat Local Security Checks	medium
406638	Alpine: multiple py3-django packages: security update to 1.10.7-r0	Tenable Cloud Security	Alpine Linux Local Security Checks	medium
406638	Alpine: multiple py3-django packages: security update to 1.10.7-r0	Tenable Self-Hosted Container Security	Alpine Linux Local Security Checks	medium
406614	Alpine: py-django: security update to 1.8.18-r0	Tenable Cloud Security	Alpine Linux Local Security Checks	medium
406614	Alpine: py-django: security update to 1.8.18-r0	Tenable Self-Hosted Container Security	Alpine Linux Local Security Checks	medium
406598	Alpine: py-django: security update to 1.10.7-r0	Tenable Cloud Security	Alpine Linux Local Security Checks	medium
406598	Alpine: py-django: security update to 1.10.7-r0	Tenable Self-Hosted Container Security	Alpine Linux Local Security Checks	medium
118185	RHEL 7 : Satellite 6.4 (RHSA-2018:2927)	Nessus	Red Hat Local Security Checks	high
108641	openSUSE Security Update : python3-Django (openSUSE-2018-318)	Nessus	SuSE Local Security Checks	critical
108640	openSUSE Security Update : python-Django (openSUSE-2018-317)	Nessus	SuSE Local Security Checks	critical
101750	Fedora 26 : python-django (2017-f997e46fa7)	Nessus	Fedora Local Security Checks	medium
99695	Debian DSA-3835-1 : python-django - security update	Nessus	Debian Local Security Checks	critical
99613	Fedora 25 : python-django (2017-c0ef6054d7)	Nessus	Fedora Local Security Checks	medium
99202	Debian DLA-885-1 : python-django security update	Nessus	Debian Local Security Checks	medium
99195	Ubuntu 14.04 LTS / 16.04 LTS : Django vulnerabilities (USN-3254-1)	Nessus	Ubuntu Local Security Checks	medium
99193	FreeBSD : django -- multiple vulnerabilities (dc880d6c-195d-11e7-8c63-0800277dcc69)	Nessus	FreeBSD Local Security Checks	medium

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CVE-2017-7233

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