Citrix MetaFrame 1.0/3.0/4.0 Independent Management Architecture heap-based overflow
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.5 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as problematic, has been found in Citrix MetaFrame 1.0/3.0/4.0. This affects an unknown part of the component Independent Management Architecture. The manipulation leads to heap-based overflow. This vulnerability is referenced as CVE-2006-5821. No exploit is available. To fix this issue, it is recommended to deploy a patch.
Details
A vulnerability, which was classified as critical, has been found in Citrix MetaFrame 1.0/3.0/4.0 (Connectivity Software). This issue affects an unknown functionality of the component Independent Management Architecture. The manipulation with an unknown input leads to a heap-based overflow vulnerability. Using CWE to declare the problem leads to 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(). Impacted is availability. The summary by CVE is:
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 published 11/10/2006 by Eric Detoisien (Website). It is possible to read the advisory at zerodayinitiative.com. The identification of this vulnerability is CVE-2006-5821 since 11/08/2006. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available.
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. 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†), Secunia (SA22802†) and SecurityTracker (ID 1017205†). Similar entries are available at VDB-2674 and VDB-33231. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.citrix.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.5VulDB Meta Temp Score: 6.5
VulDB Base Score: 7.5
VulDB Temp Score: 6.5
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Heap-based overflowCWE: 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 Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
0-Day Time: 🔍
Patch: support.citrix.com
TippingPoint: 🔍
TippingPoint Title: 🔍
TippingPoint Category: 🔍
Timeline
11/08/2006 🔍11/09/2006 🔍
11/09/2006 🔍
11/10/2006 🔍
11/10/2006 🔍
11/10/2006 🔍
11/13/2006 🔍
04/27/2026 🔍
Sources
Vendor: citrix.comAdvisory: zerodayinitiative.com
Researcher: Eric Detoisien
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2006-5821 (🔍)
GCVE (CVE): GCVE-0-2006-5821
GCVE (VulDB): GCVE-100-2675
X-Force: 30148 - Citrix MetaFrame Presentation Server IMA Management buffer overflow
SecurityFocus: 20986
Secunia: 22802 - Citrix Presentation Server IMA Service Vulnerabilities, Moderately Critical
SecurityTracker: 1017205
Vupen: ADV-2006-4429
See also: 🔍
Entry
Created: 11/13/2006 11:42Updated: 04/27/2026 09:45
Changes: 11/13/2006 11:42 (70), 04/22/2018 13:18 (7), 04/27/2026 09:45 (17)
Complete: 🔍
Cache ID: 216::103
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
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