Citrix Online Plug-in up to 11.0 on Windows cryptographic issue

CVSS Meta Temp Score
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability was found in Citrix Online Plug-in up to 11.0 on Windows. It has been declared as problematic. This vulnerability affects unknown code. Executing a manipulation can lead to cryptographic issue. This vulnerability is tracked as CVE-2009-3936. The attack can be launched remotely. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Citrix Online Plug-in up to 11.0 on Windows (Connectivity Software). It has been declared as critical. This vulnerability affects some unknown processing. The manipulation with an unknown input leads to a cryptographic issue vulnerability. The CWE definition for the vulnerability is CWE-310. As an impact it is known to affect integrity, and availability. CVE summarizes:

Unspecified vulnerability in Citrix Online Plug-in for Windows 11.0.x before 11.0.150 and 11.x before 11.2, Online Plug-in for Mac before 11.0, Receiver for iPhone before 1.0.3, and ICA Java, Mac, UNIX, and Windows Clients for XenApp and XenDesktop allows remote attackers to impersonate the SSL/TLS server and bypass authentication via a crafted certificate, a different vulnerability than CVE-2009-3555.

The weakness was disclosed 11/13/2009 with Citrix (Website). The advisory is shared for download at vupen.com. This vulnerability was named CVE-2009-3936. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1600.

The vulnerability scanner Nessus provides a plugin with the ID 42961 (Citrix XenApp Online Plug-in / Receiver Crafted Certificate MitM Spoofing Weakness), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows.

Upgrading to version 11.1 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (54213), Tenable (42961), SecurityFocus (BID 37073†), SecurityTracker (ID 1023168†) and Vulnerability Center (SBV-24276†). Once again VulDB remains the best source for vulnerability data.

Productinfo

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Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Cryptographic issue
CWE: CWE-310
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 42961
Nessus Name: Citrix XenApp Online Plug-in / Receiver Crafted Certificate MitM Spoofing Weakness
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Online Plug-in 11.1

Timelineinfo

11/09/2009 🔍
11/09/2009 +0 days 🔍
11/13/2009 +3 days 🔍
11/13/2009 +0 days 🔍
11/13/2009 +0 days 🔍
12/01/2009 +18 days 🔍
12/07/2009 +6 days 🔍
03/18/2015 +1927 days 🔍
11/29/2024 +3544 days 🔍

Sourcesinfo

Vendor: citrix.com

Advisory: vupen.com⛔
Organization: Citrix
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2009-3936 (🔍)
GCVE (CVE): GCVE-0-2009-3936
GCVE (VulDB): GCVE-100-50812
X-Force: 54213
SecurityFocus: 37073 - Multiple Citrix Products Unspecified SSL/TLS Certificate Spoofing Vulnerability
SecurityTracker: 1023168
Vulnerability Center: 24276 - Multiple Citrix Products SSL/TLS Authentication Bypassing Vulnerability via Crafted Certificate, High

Entryinfo

Created: 03/18/2015 15:15
Updated: 11/29/2024 19:24
Changes: 03/18/2015 15:15 (56), 06/07/2019 14:17 (9), 08/27/2021 20:21 (3), 08/27/2021 20:29 (1), 11/29/2024 19:24 (17)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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