Siemens Automation License Manager up to 5.1 grant->VERSION input validation

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Siemens Automation License Manager up to 5.1. This impacts the function grant->VERSION of the component License Manager. The manipulation results in input validation. This vulnerability is cataloged as CVE-2011-4530. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability classified as problematic has been found in Siemens Automation License Manager up to 5.1 (Automation Software). Affected is the function grant->VERSION of the component License Manager. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as 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. This is going to have an impact on availability. CVE summarizes:

Siemens Automation License Manager (ALM) 4.0 through 5.1+SP1+Upd1 does not properly copy fields obtained from clients, which allows remote attackers to cause a denial of service (exception and daemon crash) via long fields, as demonstrated by fields to the (1) open_session->workstation->NAME or (2) grant->VERSION function.

The weakness was shared 01/08/2012 by Luigi Auriemma (Website). The advisory is shared for download at us-cert.gov. This vulnerability is traded as CVE-2011-4530 since 11/22/2011. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details and a public exploit are known.

The exploit is shared for download 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 (71455), Exploit-DB (18165), SecurityFocus (BID 50830†) and Vulnerability Center (SBV-38038†). The entries VDB-59906, VDB-59905 and VDB-59903 are related to this item. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Version

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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

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

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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-2011-4530 (🔍)
GCVE (CVE): GCVE-0-2011-4530
GCVE (VulDB): GCVE-100-59904
X-Force: 71455
SecurityFocus: 50830 - Siemens Automation License Manager Buffer Overflow and Denial of Service Vulnerabilities
Vulnerability Center: 38038 - Siemens Automation License Manager Allows Remote DoS via Long Fields, Medium

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

Entryinfo

Created: 03/23/2015 16:50
Updated: 04/06/2025 14:07
Changes: 03/23/2015 16:50 (60), 04/23/2017 14:19 (5), 04/06/2025 14:07 (27)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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