VDB-69667 · CVE-2013-4552 · GCVE-0-2013-4552

drupalauth 1.2.1 SAML External.php improper authentication

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.
7.0	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in drupalauth 1.2.1 and classified as problematic. This issue affects some unknown processing in the library lib/Auth/Source/External.php of the component SAML. This manipulation causes improper authentication. This vulnerability is tracked as CVE-2013-4552. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in drupalauth 1.2.1 (Content Management System). It has been declared as critical. Affected by this vulnerability is an unknown part in the library lib/Auth/Source/External.php of the component SAML. The manipulation with an unknown input leads to a improper authentication vulnerability. The CWE definition for the vulnerability is CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

lib/Auth/Source/External.php in the drupalauth module before 1.2.2 for simpleSAMLphp allows remote attackers to authenticate as an arbitrary user via the user name (uid) in a cookie.

The weakness was disclosed 05/13/2014 (Website). It is possible to read the advisory at code.google.com. This vulnerability is known as CVE-2013-4552 since 06/12/2013. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit.

By approaching the search of inurl:lib/Auth/Source/External.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 1.2.1 eliminates this vulnerability.

The entry VDB-55113 is pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Content Management System

Name

drupalauth

Version

1.2.1

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

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

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: Improper authentication
CWE: CWE-287
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

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: drupalauth 1.2.1

Timelineinfo

06/12/2013 🔍
05/13/2014 +335 days 🔍
05/13/2014 +0 days 🔍
03/25/2015 +316 days 🔍
03/09/2019 +1445 days 🔍

Sourcesinfo

Advisory: code.google.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2013-4552 (🔍)
GCVE (CVE): GCVE-0-2013-4552
GCVE (VulDB): GCVE-100-69667
See also: 🔍

Entryinfo

Created: 03/25/2015 16:45
Updated: 03/09/2019 17:38
Changes: 03/25/2015 16:45 (49), 03/09/2019 17:38 (2)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.