Citrix Online Plug-in 11.1 ActiveX Object code injection

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.
9.5$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Citrix Online Plug-in. This issue affects some unknown processing of the component ActiveX Object. Such manipulation leads to code injection. This vulnerability is traded as CVE-2010-2991. The attack may be launched remotely. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as very critical, has been found in Citrix Online Plug-in (Connectivity Software). Affected by this issue is an unknown part of the component ActiveX Object. The manipulation with an unknown input leads to a code injection vulnerability. Using CWE to declare the problem leads to CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. Impacted is confidentiality, integrity, and availability. CVE summarizes:

The IICAClient interface in the ICAClient library in the ICA Client ActiveX Object (aka ICO) component in Citrix Online Plug-in for Windows for XenApp & XenDesktop before 12.0.3 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted HTML document that triggers the reading of a .ICA file.

The weakness was shared 08/11/2010 (Website). The advisory is shared for download at support.citrix.com. This vulnerability is handled as CVE-2010-2991 since 08/11/2010. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 01/21/2025). The MITRE ATT&CK project declares the attack technique as T1059.

The vulnerability scanner Nessus provides a plugin with the ID 48275 (Citrix ICA Client Multiple Remote Code Execution Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows. The commercial vulnerability scanner Qualys is able to test this issue with plugin 118497 (Citrix XenApp Online Plug-in ActiveX Control Code Execution Vulnerability).

Upgrading to version 12.0 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (48275), Secunia (SA40819†) and Vulnerability Center (SBV-26908†). The entry VDB-54343 is related to this item. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.5

VulDB Base Score: 10.0
VulDB Temp Score: 9.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Code injection
CWE: CWE-94 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 48275
Nessus Name: Citrix ICA Client Multiple Remote Code Execution Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Online Plug-in 12.0

Timelineinfo

08/03/2010 🔍
08/11/2010 +8 days 🔍
08/11/2010 +0 days 🔍
08/11/2010 +0 days 🔍
08/11/2010 +0 days 🔍
08/26/2010 +15 days 🔍
03/19/2015 +1666 days 🔍
01/21/2025 +3596 days 🔍

Sourcesinfo

Vendor: citrix.com

Advisory: support.citrix.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2010-2991 (🔍)
GCVE (CVE): GCVE-0-2010-2991
GCVE (VulDB): GCVE-100-54344

IAVM: 🔍

SecurityFocus: 42149
Secunia: 40819 - Citrix XenApp Online Plug-in ActiveX Control Code Execution Vulnerability, Highly Critical
Vulnerability Center: 26908 - Citrix Online Plug-in ICA Client for Windows Remote Arbitrary Code Execution Vulnerability, High

See also: 🔍

Entryinfo

Created: 03/19/2015 14:37
Updated: 01/21/2025 07:22
Changes: 03/19/2015 14:37 (57), 06/07/2019 14:17 (10), 09/22/2021 09:30 (4), 01/21/2025 07:22 (19)
Complete: 🔍
Cache ID: 216:192:103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Want to know what is going to be exploited?

We predict KEV entries!