Siemens Automation License Manager up to 5.1 memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Siemens Automation License Manager up to 5.1. This affects an unknown function of the component License Manager. The manipulation leads to memory corruption. This vulnerability is listed as CVE-2011-4529. In addition, an exploit is available.

Detailsinfo

A vulnerability was found in Siemens Automation License Manager up to 5.1 (Automation Software). It has been rated as critical. This issue affects an unknown code of the component License Manager. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Multiple buffer overflows in Siemens Automation License Manager (ALM) 4.0 through 5.1+SP1+Upd1 allow remote attackers to execute arbitrary code via a long serialid field in an _licensekey command, as demonstrated by the (1) check_licensekey or (2) read_licensekey command.

The weakness was presented 01/08/2012 by Luigi Auriemma (Website). It is possible to read the advisory at us-cert.gov. The identification of this vulnerability is CVE-2011-4529 since 11/22/2011. 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 unknown but a public exploit is available.

The exploit is available at exploit-db.com. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $25k-$100k. 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 (71454), Exploit-DB (18165), SecurityFocus (BID 50830†) and Vulnerability Center (SBV-38037†). See VDB-59906, VDB-59905 and VDB-59904 for similar entries. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
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-2011-4529 (🔍)
GCVE (CVE): GCVE-0-2011-4529
GCVE (VulDB): GCVE-100-59903
X-Force: 71454
SecurityFocus: 50830 - Siemens Automation License Manager Buffer Overflow and Denial of Service Vulnerabilities
Vulnerability Center: 38037 - Siemens Automation License Manager Multiple Buffer Overflows Allow Remote Code Execution, High

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

Entryinfo

Created: 03/23/2015 16:50
Updated: 04/06/2025 17:15
Changes: 03/23/2015 16:50 (59), 04/23/2017 14:19 (5), 04/06/2025 17:15 (27)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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