RSA Authentication Agent for Web up to 5.3 on IIS HTTP GET Redirect IISWebAgentIF.dll stack-based overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.5$0-$5k0.00

A vulnerability was found in RSA Authentication Agent for Web up to 5.3 on IIS and classified as critical. Affected by this issue is an unknown code block in the library IISWebAgentIF.dll of the component HTTP GET Redirect Handler. The manipulation with an unknown input leads to a stack-based overflow vulnerability. Using CWE to declare the problem leads to CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). Impacted is confidentiality, integrity, and availability. CVE summarizes:

Stack-based buffer overflow in IISWebAgentIF.dll in RSA Authentication Agent for Web (aka SecurID Web Agent) 5.2 and 5.3 for IIS allows remote attackers to execute arbitrary code via a long url parameter in the Redirect method.

The bug was discovered 10/21/2005. The weakness was disclosed 10/21/2005 by H. D. Moore with MetaSploit (Website). The advisory is shared for download at metasploit.com. This vulnerability is handled as CVE-2005-4734 since 03/19/2006. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details as well as a public exploit are known.

After immediately, there has been an exploit disclosed. The exploit is available at metasploit.com. It is declared as highly functional. As 0-day the estimated underground price was around $25k-$100k.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at knowledge.rsasecurity.com.Addressing this vulnerability is possible by firewalling . The best possible mitigation is suggested to be applying a restrictive firewalling. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 3891.

The vulnerability is also documented in the vulnerability database at X-Force (25390).

Productinfo

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Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.6
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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Exploitinginfo

Class: Stack-based overflow
CWE: CWE-121 / CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Highly functional
Download: 🔍

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Current Price Estimation: 🔍

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Saint ID: exploit_info/rsa_auth_agent_redirect
Saint Name: RSA SecurID Web Agent for IIS redirect buffer overflow

MetaSploit ID: rsa_webagent_redirect.rb
MetaSploit Name: Microsoft IIS ISAPI RSA WebAgent Redirect Overflow
MetaSploit File: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Firewall
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Patch: knowledge.rsasecurity.com
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

PaloAlto IPS: 🔍
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Timelineinfo

10/21/2005 🔍
10/21/2005 +0 days 🔍
10/21/2005 +0 days 🔍
10/21/2005 +0 days 🔍
10/21/2005 +0 days 🔍
10/21/2005 +0 days 🔍
10/25/2005 +3 days 🔍
12/31/2005 +67 days 🔍
03/19/2006 +78 days 🔍
01/03/2011 +1751 days 🔍
07/05/2019 +3105 days 🔍

Sourcesinfo

Vendor: rsa.com

Advisory: metasploit.com
Researcher: H. D. Moore
Organization: MetaSploit
Status: Not defined

CVE: CVE-2005-4734 (🔍)
X-Force: 25390
Vulnerability Center: 28940 - RSA Security Authentication Agent for Web 5.2-5.3 Remote Arbitrary Code Execution Vulnerability, High
SecurityFocus: 26424 - RSA Authentication Agent IISWebAgentIF.DLL Remote Stack Based Buffer Overflow Vulnerability
Secunia: 17281 - RSA Authentication Agent for Web "Redirect" Buffer Overflow, Highly Critical
OSVDB: 20151 - RSA Authentication Agent for Web IISWebAgentIF.dll Redirect Overflow

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 10/25/2005 12:32
Updated: 07/05/2019 06:12
Changes: 10/25/2005 12:32 (90), 07/05/2019 06:12 (4)
Complete: 🔍

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