Exploitalert - Database of Exploits

Secunia ReSonicWALL SSL-VPN End-Point ActiveX Control Buffer Overflow

CVE	Category	Price	Severity
CVE-2010-2583	CWE-119	Not Available	High

Author	Risk	Exploitation Type	Date
H D Moore	High	Remote	2010-11-05

CVSS	EPSS	EPSSP
CVSS:4.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H	0.02192	0.50148

CVSS vector description

Metric	Value	Metric Description	Value Description
Attack vector	Network	AV	The vulnerable system is bound to the network stack and the set of possible attackers extends beyond the other options listed below, up to and including the entire Internet. Such a vulnerability is often termed “remotely exploitable” and can be thought of as an attack being exploitable at the protocol level one or more network hops away (e.g., across one or more routers). An example of a network attack is an attacker causing a denial of service by sending a specially crafted TCP packet across a wide area network (e.g., CVE-2004-0230).
Attack Complexity	Low	AC	The attacker must take no measurable action to exploit the vulnerability. The attack requires no target-specific circumvention to exploit the vulnerability. An attacker can expect repeatable success against the vulnerable system.
Privileges Required	Low	PR	The attacker requires privileges that provide basic capabilities that are typically limited to settings and resources owned by a single low-privileged user. Alternatively, an attacker with Low privileges has the ability to access only non-sensitive resources.
Scope	Unchanged	S	An exploited vulnerability can only affect resources managed by the same security authority. In the case of a vulnerability in a virtualized environment, an exploited vulnerability in one guest instance would not affect neighboring guest instances.
Confidentiality	High	C	There is total information disclosure, resulting in all data on the system being revealed to the attacker, or there is a possibility of the attacker gaining control over confidential data.
Integrity	High	I	There is a total compromise of system integrity. There is a complete loss of system protection, resulting in the attacker being able to modify any file on the target system.
Availability	High	A	There is a total shutdown of the affected resource. The attacker can deny access to the system or data, potentially causing significant loss to the organization.

http://cxsecurity.com/ascii/WLB-2010110133

====================================================================== Secunia Research 29/10/2010 - SonicWALL SSL-VPN End-Point Interrogator/Installer ActiveX Control - - "Install3rdPartyComponent()" Method Buffer Overflow - ====================================================================== Table of Contents Affected Software....................................................1 Severity.............................................................2 Vendor's Description of Software.....................................3 Description of Vulnerability.........................................4 Solution.............................................................5 Time Table...........................................................6 Credits..............................................................7 References...........................................................8 About Secunia........................................................9 Verification........................................................10 ====================================================================== 1) Affected Software * SonicWALL SSL-VPN End-Point Interrogator/Installer ActiveX Control version 10.5.1.117 NOTE: Other versions may also be affected. ====================================================================== 2) Severity Rating: Highly critical Impact: System access Where: Remote ====================================================================== 3) Vendor's Description of Software "The End-Point Interrogator/Installer ActiveX control provides software installation and interrogation functionality and is used by the SonicWALL SSL-VPN E-Class remote access devices." Product Link: http://www.sonicwall.com/us/products/506.html ====================================================================== 4) Description of Vulnerability Secunia Research has discovered a vulnerability in SonicWALL SSL-VPN End-Point Interrogator/Installer ActiveX Control, which can be exploited by malicious people to compromise a user's system. The vulnerability is caused by a boundary error in the "Install3rdPartyComponent()" method in the "Aventail.EPInstaller" ActiveX control when creating an absolute path name based on values in the "CabURL" and "Location" arguments. This can be exploited to cause a stack-based buffer overflow via overly long values. Successful exploitation allows execution of arbitrary code. ====================================================================== 5) Solution Update to version 10.5.2 and apply hotfix 3 for version 10.0.5. ====================================================================== 6) Time Table 28/09/2010 - Vendor notified. 28/09/2010 - Vendor response. 10/10/2010 - Vendor confirms the vulnerability. 26/10/2010 - Vendor releases fixed version. 29/10/2010 - Public disclosure. ====================================================================== 7) Credits Discovered by Dmitriy Pletnev, Secunia Research. ====================================================================== 8) References The Common Vulnerabilities and Exposures (CVE) project has assigned CVE-2010-2583 for the vulnerability. ====================================================================== 9) About Secunia Secunia offers vulnerability management solutions to corporate customers with verified and reliable vulnerability intelligence relevant to their specific system configuration: http://secunia.com/advisories/business_solutions/ Secunia also provides a publicly accessible and comprehensive advisory database as a service to the security community and private individuals, who are interested in or concerned about IT-security. http://secunia.com/advisories/ Secunia believes that it is important to support the community and to do active vulnerability research in order to aid improving the security and reliability of software in general: http://secunia.com/secunia_research/ Secunia regularly hires new skilled team members. Check the URL below to see currently vacant positions: http://secunia.com/corporate/jobs/ Secunia offers a FREE mailing list called Secunia Security Advisories: http://secunia.com/advisories/mailing_lists/ ====================================================================== 10) Verification Please verify this advisory by visiting the Secunia website: http://secunia.com/secunia_research/2010-117/ Complete list of vulnerability reports published by Secunia Research: http://secunia.com/secunia_research/ ======================================================================

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