VDB-94733 · CVE-2016-10082 · Nessus 100789

Serendipity up to 2.0.5 functions_installer.inc.php include dbType access control

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
8.4	$0-$5k	0.00

Summaryinfo

A vulnerability identified as critical has been detected in Serendipity up to 2.0.5. Affected by this issue is the function include of the file include/functions_installer.inc.php. The manipulation of the argument dbType leads to access control. This vulnerability is listed as CVE-2016-10082. The attack may be initiated remotely. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Serendipity up to 2.0.5 (Content Management System). It has been rated as critical. This issue affects the function include of the file include/functions_installer.inc.php. The manipulation of the argument dbType with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

include/functions_installer.inc.php in Serendipity through 2.0.5 is vulnerable to File Inclusion and a possible Code Execution attack during a first-time installation because it fails to sanitize the dbType POST parameter before adding it to an include() call in the bundled-libs/serendipity_generateFTPChecksums.php file.

The bug was discovered 12/20/2016. The weakness was presented 12/30/2016 (Website). The advisory is shared at securityfocus.com. The identification of this vulnerability is CVE-2016-10082 since 12/30/2016. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 10 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:include/functions_installer.inc.php it is possible to find vulnerable targets with Google Hacking. The vulnerability scanner Nessus provides a plugin with the ID 100789 (Serendipity < 2.1.1 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CGI abuses and running in the context r. The commercial vulnerability scanner Qualys is able to test this issue with plugin 11756 (Serendipity Multiple File Include and Cross-Site Scripting Vulnerabilities).

Upgrading eliminates this vulnerability. A possible mitigation has been published 4 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (100789) and SecurityFocus (BID 95165†). See VDB-94681, VDB-94682, VDB-95344 and VDB-95345 for similar entries. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Content Management System

Name

Serendipity

Version

License

free

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 100789
Nessus Name: Serendipity < 2.1.1 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: github.com

Timelineinfo

12/20/2016 🔍
12/30/2016 +10 days 🔍
12/30/2016 +0 days 🔍
12/30/2016 +0 days 🔍
12/30/2016 +0 days 🔍
12/30/2016 +0 days 🔍
04/09/2017 +100 days 🔍
06/14/2017 +66 days 🔍
10/27/2022 +1961 days 🔍

Sourcesinfo

Advisory: bba6a840f4d53cbaf62971a3078a98c8ddf92b85⛔
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-10082 (🔍)
GCVE (CVE): GCVE-0-2016-10082
GCVE (VulDB): GCVE-100-94733
SecurityFocus: 95165 - Serendipity CVE-2016-10082 Arbitrary File Include Vulnerability

See also: 🔍

Entryinfo

Created: 12/30/2016 15:27
Updated: 10/27/2022 07:29
Changes: 12/30/2016 15:27 (69), 07/22/2019 18:49 (9), 10/27/2022 07:29 (4)
Complete: 🔍
Cache ID: 216:70C:103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.