Citrix MetaFrame 1.0/3.0/4.0 Independent Management Architecture IMA_SECURE_DecryptData1 heap-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in Citrix MetaFrame 1.0/3.0/4.0. Affected by this issue is the function IMA_SECURE_DecryptData1 of the component Independent Management Architecture. Executing a manipulation can lead to heap-based overflow. The identification of this vulnerability is CVE-2006-5821. There is no exploit available. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability classified as critical was found in Citrix MetaFrame 1.0/3.0/4.0 (Connectivity Software). This vulnerability affects the function IMA_SECURE_DecryptData1 of the component Independent Management Architecture. The manipulation with an unknown input leads to a heap-based overflow vulnerability. The CWE definition for the vulnerability is CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Heap-based buffer overflow in the IMA_SECURE_DecryptData1 function in ImaSystem.dll for Citrix MetaFrame XP 1.0 and 2.0, and Presentation Server 3.0 and 4.0, allows remote attackers to execute arbitrary code via requests to the Independent Management Architecture (IMA) service (ImaSrv.exe) with invalid size values that trigger the overflow during decryption.

The weakness was shared 11/10/2006 by Eric Detoisien (Website). The advisory is available at zerodayinitiative.com. This vulnerability was named CVE-2006-5821 since 11/08/2006. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are known, but there is no available exploit.

It is declared as proof-of-concept.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at support.citrix.com. A possible mitigation has been published even before and not after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 4494. The filter is assigned to the category Exploits.

The vulnerability is also documented in the databases at X-Force (30148), SecurityFocus (BID 20986†), OSVDB (30269†), Secunia (SA22802†) and SecurityTracker (ID 1017205†). The entries VDB-2675 and VDB-33231 are related to this item. If you want to get best quality of vulnerability data, you may have to visit VulDB.

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: 6.4

VulDB Base Score: 7.3
VulDB Temp Score: 6.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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Exploitinginfo

Class: Heap-based overflow
CWE: CWE-122 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: support.citrix.com
TippingPoint: 🔍
TippingPoint Title: 🔍
TippingPoint Category: 🔍

Timelineinfo

11/08/2006 🔍
11/08/2006 +0 days 🔍
11/09/2006 +1 days 🔍
11/09/2006 +0 days 🔍
11/10/2006 +1 days 🔍
11/10/2006 +0 days 🔍
11/10/2006 +0 days 🔍
11/10/2006 +0 days 🔍
11/13/2006 +2 days 🔍
04/27/2026 +7105 days 🔍

Sourcesinfo

Vendor: citrix.com

Advisory: zerodayinitiative.com
Researcher: Eric Detoisien
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2006-5821 (🔍)
GCVE (CVE): GCVE-0-2006-5821
GCVE (VulDB): GCVE-100-2674
X-Force: 30148 - Citrix MetaFrame Presentation Server IMA Management buffer overflow, High Risk
SecurityFocus: 20986
Secunia: 22802 - Citrix Presentation Server IMA Service Vulnerabilities, Moderately Critical
OSVDB: 30269 - Citrix Metaframe ImaSystem.dll IMA_SECURE_DecryptData1 Function Overflow
SecurityTracker: 1017205
Vupen: ADV-2006-4429

See also: 🔍

Entryinfo

Created: 11/13/2006 11:42
Updated: 04/27/2026 09:45
Changes: 11/13/2006 11:42 (75), 04/22/2018 13:18 (8), 04/27/2026 09:45 (17)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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