CVE-2013-4200 Plone Open Redirection vulnerability via next parameter
Remote attackers can bypass external login site filters and redirect users to arbitrary sites via a space-prefixed URL, facilitating phishing attacks.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2013-4200?
CVE-2013-4200 is a medium-severity vulnerability in Plone Plone, published on 21 Jan 2014. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
The isURLInPortal method in the URLTool class in in_portal.py in Plone 2.1 through 4.1, 4.2.x through 4.2.5, and 4.3.x through 4.3.1 treats URLs starting with a space as a relative URL, which allows remote attackers to bypass the allow_external_login_sites filtering property, redirect users to arbitrary web sites, and conduct phishing attacks via a space before a URL in the "next" parameter to acl_users/credentials_cookie_auth/require_login.
Weakness: CWE-264
Which versions are affected by CVE-2013-4200?
7 open source packages ship an affected version, including plone and Plone. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
plone PyPI | From 2.1 | 4.1.1, 4.2.6, 4.3.2 |
plone PyPI | From 2.1 | 4.1.1 |
plone PyPI | From 4.2 | 4.2.6 |
plone PyPI | From 4.3 | 4.3.2 |
Plone PyPI | From 2.1 | 4.1.1 |
Plone PyPI | From 4.2 | 4.2.6 |
1 more packages
Plone PyPI | From 4.3 | 4.3.2 |
Products include Plone Plone.
How do I fix CVE-2013-4200?
Upgrade plone to a fixed version for your release line: 4.1.1, 4.2.6 or 4.3.2.
Is CVE-2013-4200 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2013-4200 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Plone Plone
Sources
Also known as GHSA-56p3-rrp4-2j82, PYSEC-2014-64.