Symantec AppStream Client up to 5.1 ActiveX Control launcher.dll input validation

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-$5k	0.00

A vulnerability has been found in Symantec AppStream Client up to 5.1 and classified as very critical. This vulnerability affects an unknown part in the library launcher.dll of the component ActiveX Control. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

The LaunchObj ActiveX control before 5.2.2.865 in launcher.dll in Symantec AppStream Client 5.2.x before 5.2.2 SP3 MP1 does not properly validate downloaded files, which allows remote attackers to execute arbitrary code via the installAppMgr method and unspecified other methods.

The bug was discovered 01/15/2009. The weakness was presented 01/20/2009 by Will Dormann with CERT as confirmed advisory (CERT.org). The advisory is available at kb.cert.org. This vulnerability was named CVE-2008-4388 since 10/02/2008. 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. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 08/24/2019).

It is declared as highly functional. The vulnerability was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 35403 (Symantec AppStream Client LaunchObj ActiveX Control Multiple Unsafe Methods (SYM09-001)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows and running in the context l.

Upgrading to version 5.2 eliminates this vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 8270.

The vulnerability is also documented in the databases at X-Force (48031) and Tenable (35403).

Productinfo

Vendor

Symantec

Name

AppStream Client

Version

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Highly functional

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Nessus ID: 35403
Nessus Name: Symantec AppStream Client LaunchObj ActiveX Control Multiple Unsafe Methods (SYM09-001)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Saint ID: exploit_info/symantec_appstream_launchobj_installappmgr
Saint Name: Symantec AppStream Client LaunchObj ActiveX Control installAppMgr vulnerability

MetaSploit ID: symantec_appstream_unsafe.rb
MetaSploit Name: Symantec AppStream LaunchObj ActiveX Control Arbitrary File Download and Execute
MetaSploit File: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: AppStream Client 5.2
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

PaloAlto IPS: 🔍
Fortigate IPS: 🔍

Timelineinfo

10/02/2008 🔍
01/15/2009 +105 days 🔍
01/15/2009 +0 days 🔍
01/15/2009 +0 days 🔍
01/15/2009 +0 days 🔍
01/17/2009 +2 days 🔍
01/18/2009 +1 days 🔍
01/20/2009 +2 days 🔍
01/20/2009 +0 days 🔍
03/17/2015 +2247 days 🔍
08/24/2019 +1621 days 🔍

Sourcesinfo

Vendor: symantec.com

Advisory: kb.cert.org
Researcher: Will Dormann
Organization: CERT
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2008-4388 (🔍)
X-Force: 48031
SecurityTracker: 1021609
Vulnerability Center: 20529 - Symantec AppStream Client 5.2 LaunchObg ActiveX Contol Allows Remote Code Execution, Medium
SecurityFocus: 33247 - Symantec AppStream Client 'LaunchObj' ActiveX Control Arbitrary File Download Vulnerability
OSVDB: 51410 - Symantec - AppStream Client - 'LaunchObj' ActiveX Control Arbitrary File Download Issue

Entryinfo

Created: 03/17/2015 16:11
Updated: 08/24/2019 10:24
Changes: 03/17/2015 16:11 (81), 08/24/2019 10:24 (9)
Complete: 🔍