Siemens Automation License Manager up to 5.1 input validation

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.
4.8$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Siemens Automation License Manager up to 5.1. Affected is an unknown function of the component License Manager. This manipulation causes input validation. This vulnerability is registered as CVE-2011-4531. Furthermore, an exploit is available.

Detailsinfo

A vulnerability classified as problematic was found in Siemens Automation License Manager up to 5.1 (Automation Software). Affected by this vulnerability is some unknown processing of the component License Manager. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect availability. The summary by CVE is:

Siemens Automation License Manager (ALM) 4.0 through 5.1+SP1+Upd1 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via crafted content in a (1) get_target_ocx_param or (2) send_target_ocx_param command.

The weakness was published 01/08/2012 by Luigi Auriemma (Website). The advisory is shared at us-cert.gov. This vulnerability is known as CVE-2011-4531 since 11/22/2011. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are unknown but a public exploit is available.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. The commercial vulnerability scanner Qualys is able to test this issue with plugin 119763 (Siemens Automation License Manager Buffer Overflow and Denial of Service Vulnerabilities (SIEMENS-SSA-319258)).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (71456), Exploit-DB (18165), SecurityFocus (BID 50830†) and Vulnerability Center (SBV-38039†). Similar entries are available at VDB-59906, VDB-59904 and VDB-59903. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
Fortigate IPS: 🔍

Timelineinfo

11/22/2011 🔍
11/28/2011 +6 days 🔍
11/28/2011 +0 days 🔍
01/08/2012 +41 days 🔍
01/08/2012 +0 days 🔍
01/15/2013 +373 days 🔍
03/23/2015 +797 days 🔍
04/06/2025 +3667 days 🔍

Sourcesinfo

Vendor: siemens.com

Advisory: us-cert.gov
Researcher: Luigi Auriemma
Status: Not defined
Confirmation: 🔍

CVE: CVE-2011-4531 (🔍)
GCVE (CVE): GCVE-0-2011-4531
GCVE (VulDB): GCVE-100-59905
X-Force: 71456
SecurityFocus: 50830 - Siemens Automation License Manager Buffer Overflow and Denial of Service Vulnerabilities
Vulnerability Center: 38039 - Siemens Automation License Manager Allows Remote DoS via Crafted Content, Medium

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 03/23/2015 16:50
Updated: 04/06/2025 04:41
Changes: 03/23/2015 16:50 (59), 04/23/2017 14:19 (5), 04/06/2025 04:41 (27)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Interested in the pricing of exploits?

See the underground prices here!