VDB-1927 · CVE-2005-3652 · XFDB 23652

Citrix Program Neighborhood Client up to 9.1 heap-based overflow

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.
6.6	$0-$5k	0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Citrix Program Neighborhood Client up to 9.1. This affects an unknown part. This manipulation causes heap-based overflow. This vulnerability is tracked as CVE-2005-3652. Moreover, an exploit is present. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Citrix Program Neighborhood Client up to 9.1 (Connectivity Software). Affected by this vulnerability is some unknown functionality. 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. The summary by CVE is:

Heap-based buffer overflow in Citrix Program Neighborhood client 9.0 and earlier allows remote attackers to execute arbitrary code via a long name value in an Application Set response.

The bug was discovered 11/15/2005. The weakness was disclosed 12/18/2005 by Dr. Alex Danilychev (Agent) with iDEFENSE (Website). It is possible to read the advisory at support.citrix.com. This vulnerability is known as CVE-2005-3652 since 11/18/2005. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are unknown but an exploit is available.

After even before and not, there has been an exploit disclosed. It is possible to download the exploit at saintcorporation.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 1779 days. During that time the estimated underground price was around $25k-$100k.

Upgrading eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at citrix.com. The best possible mitigation is suggested to be upgrading to the latest version. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 4393.

The vulnerability is also documented in the databases at X-Force (23652), SecurityFocus (BID 15907†), OSVDB (21816†), Secunia (SA18068†) and SecurityTracker (ID 1015373†). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Connectivity Software

Vendor

Citrix

Name

Program Neighborhood Client

Version

License

commercial

Website

Vendor: https://www.citrix.com/

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

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Saint ID: exploit_info/citrix_program_neighborhood_name
Saint Name: Citrix Program Neighborhood name buffer overflow

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Patch: citrix.com
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

ISS Proventia IPS: 🔍
PaloAlto IPS: 🔍
Fortigate IPS: 🔍

Timelineinfo

02/01/2001 🔍
11/15/2005 +1748 days 🔍
11/18/2005 +3 days 🔍
12/16/2005 +28 days 🔍
12/16/2005 +0 days 🔍
12/16/2005 +0 days 🔍
12/16/2005 +0 days 🔍
12/18/2005 +2 days 🔍
12/18/2005 +0 days 🔍
12/21/2005 +2 days 🔍
01/15/2006 +25 days 🔍
06/13/2019 +4897 days 🔍

Sourcesinfo

Vendor: citrix.com

Advisory: support.citrix.com
Researcher: Dr. Alex Danilychev (Agent)
Organization: iDEFENSE
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2005-3652 (🔍)
GCVE (CVE): GCVE-0-2005-3652
GCVE (VulDB): GCVE-100-1927
X-Force: 23652
SecurityFocus: 15907 - Citrix Program Neighborhood Application Enumeration Buffer Overflow Vulnerability
Secunia: 18068 - Citrix Program Neighborhood Client Buffer Overflow Vulnerability, Moderately Critical
OSVDB: 21816 - Citrix Program Neighborhood Application Set Name Overflow
SecurityTracker: 1015373
Vulnerability Center: 10146 - Citrix Program Neighborhood client Heap Overflow via Long Name Value, Medium
Vupen: ADV-2005-2944

Entryinfo

Created: 12/21/2005 11:19
Updated: 06/13/2019 12:23
Changes: 12/21/2005 11:19 (79), 06/13/2019 12:23 (16)
Complete: 🔍
Cache ID: 216::103