CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
EPSS
Percentile
87.6%
Potential Denial of Service (DoS) security vulnerability in IBM Sterling External Authentication Server due to a Java HashTable security vulnerability in Jetty (CVE-2011-4461).
SUMMARY: Potential Denial of Service (DoS) security vulnerability in IBM Sterling External Authentication Server due to multiple Java HashTable security vulnerabilities in the embedded Jetty web server.
VULNERABILITY DETAILS:
CVE ID: CVE-2011-4461
**DESCRIPTION:**IBM Sterling External Authentication Server is potentially vulnerable to Denial of Service attacks because one of its embedded components, Jetty, has multiple security vulnerability. The vulnerability is caused by insufficient randomization of hash data structures. A remote attacker could exploit this vulnerability to cause the consumption of CPU resources. Customers who are using IBM Sterling External Authentication Server may be impacted by this Jetty vulnerability which can cause performance or Denial of Service (DoS) issues.
CVSS:
CVSS Base Score: 5
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/72017> for the current score
CVSS Environmental Score*: Undefined
CVSS String: (AV:N/AC:L/Au:N/C:N/I:N/A:P)
**AFFECTED VERSIONS: **
The following IBM Sterling External Authentication Server Versions are affected:
β’ Version 2.2.00 through 2.2.0.2
β’ Version 2.3.1.0 through 2.3.1.9
β’ Version 2.4.0.0 through 2.4.0.2
β’ Version 2.4.1.0 (GA)
REMEDIATION:
The recommended solution is to apply the fix for each version as soon as practical. See below for information on fixes available.
For V2.2.0.0 through 2.3.1.9:
For V2.4.0.0 through 2.4.0.4:
For V2.4.1.0 through 2.4.1.4:
WORKAROUND(S):
β’ None known; apply fixes
MITIGATION(S):
β’ None known
REFERENCES:
β’ Complete CVSS Guide
β’ On-line Calculator V2
β’ X-Force Vulnerability Database
β’ CVE-2011-4461
For more information see:
<http://www.ocert.org/advisories/ocert-2011-003.html>
<http://www.kb.cert.org/vuls/id/903934>
Patch: <https://bugzilla.redhat.com/show_bug.cgi?id=781677>
RELATED INFORMATION:
β’ IBM Secure Engineering Web Portal
β’ IBM Product Security Incident Response Blog
*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Flash.
Note: According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an βindustry open standard designed to convey vulnerability severity and help to determine urgency and priority of response.β IBM PROVIDES THE CVSS SCORES βAS ISβ WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY
[{βProductβ:{βcodeβ:βSS6PNWβ,βlabelβ:βIBM Sterling Secure Proxyβ},βBusiness Unitβ:{βcodeβ:βBU059β,βlabelβ:βIBM Software w/o TPSβ},βComponentβ:βExternal Authentication Serverβ,βPlatformβ:[{βcodeβ:βPF002β,βlabelβ:βAIXβ},{βcodeβ:βPF010β,βlabelβ:βHP-UXβ},{βcodeβ:βPF016β,βlabelβ:βLinuxβ},{βcodeβ:βPF027β,βlabelβ:βSolarisβ},{βcodeβ:βPF033β,βlabelβ:βWindowsβ}],βVersionβ:β3.4;3.3.1;3.3β,βEditionβ:ββ,βLine of Businessβ:{βcodeβ:βLOB59β,βlabelβ:βSustainability Softwareβ}},{βProductβ:{βcodeβ:βSSRSCSβ,βlabelβ:βIBM Sterling Connect:Direct for HP NonStopβ},βBusiness Unitβ:{βcodeβ:βBU059β,βlabelβ:βIBM Software w/o TPSβ},βComponentβ:βExternal Authentication Serverβ,βPlatformβ:[{βcodeβ:ββ,βlabelβ:βHP NonStopβ}],βVersionβ:β3.6;3.5;3.4β,βEditionβ:ββ,βLine of Businessβ:{βcodeβ:βLOB59β,βlabelβ:βSustainability Softwareβ}},{βProductβ:{βcodeβ:βSSRS27β,βlabelβ:βIBM Sterling Connect:Direct for i5/OSβ},βBusiness Unitβ:{βcodeβ:βBU059β,βlabelβ:βIBM Software w/o TPSβ},βComponentβ:βExternal Authentication Serverβ,βPlatformβ:[{βcodeβ:ββ,βlabelβ:βi5/OSβ},{βcodeβ:βPF012β,βlabelβ:βIBM iβ}],βVersionβ:β3.7;3.6;3.5β,βEditionβ:ββ,βLine of Businessβ:{βcodeβ:βLOB59β,βlabelβ:βSustainability Softwareβ}},{βProductβ:{βcodeβ:βSSRRVYβ,βlabelβ:βIBM Sterling Connect:Direct for Microsoft Windowsβ},βBusiness Unitβ:{βcodeβ:βBU059β,βlabelβ:βIBM Software w/o TPSβ},βComponentβ:βExternal Authentication Serverβ,βPlatformβ:[{βcodeβ:βPF033β,βlabelβ:βWindowsβ}],βVersionβ:β4.6;4.5;4.4β,βEditionβ:ββ,βLine of Businessβ:{βcodeβ:βLOB59β,βlabelβ:βSustainability Softwareβ}},{βProductβ:{βcodeβ:βSSRS8Eβ,βlabelβ:βIBM Sterling Connect:Direct for OpenVMSβ},βBusiness Unitβ:{βcodeβ:βBU059β,βlabelβ:βIBM Software w/o TPSβ},βComponentβ:βExternal Authentication Serverβ,βPlatformβ:[{βcodeβ:βPF021β,βlabelβ:βOpenVMSβ}],βVersionβ:β3.6;3.5;3.4;3.3β,βEditionβ:ββ,βLine of Businessβ:{βcodeβ:βLOB59β,βlabelβ:βSustainability Softwareβ}},{βProductβ:{βcodeβ:βSSRSHQβ,βlabelβ:βIBM Sterling Connect:Direct for VM/VSEβ},βBusiness Unitβ:{βcodeβ:βBU059β,βlabelβ:βIBM Software w/o TPSβ},βComponentβ:βExternal Authentication Serverβ,βPlatformβ:[{βcodeβ:ββ,βlabelβ:βVM/ESAβ},{βcodeβ:ββ,βlabelβ:βVSE/ESAβ}],βVersionβ:β3.2β,βEditionβ:ββ,βLine of Businessβ:{βcodeβ:βLOB59β,βlabelβ:βSustainability Softwareβ}},{βProductβ:{βcodeβ:βSSFGBNβ,βlabelβ:βIBM Sterling Connect:Direct for z/OSβ},βBusiness Unitβ:{βcodeβ:βBU059β,βlabelβ:βIBM Software w/o TPSβ},βComponentβ:βExternal Authentication Serverβ,βPlatformβ:[{βcodeβ:βPF035β,βlabelβ:βz/OSβ}],βVersionβ:β5.1;5.0;4.8;4.7β,βEditionβ:ββ,βLine of Businessβ:{βcodeβ:βLOB59β,βlabelβ:βSustainability Softwareβ}},{βProductβ:{βcodeβ:βSSFVK3β,βlabelβ:βIBM Sterling Connect:Enterprise for UNIXβ},βBusiness Unitβ:{βcodeβ:βBU059β,βlabelβ:βIBM Software w/o TPSβ},βComponentβ:βExternal Authentication Serverβ,βPlatformβ:[{βcodeβ:βPF002β,βlabelβ:βAIXβ},{βcodeβ:βPF010β,βlabelβ:βHP-UXβ},{βcodeβ:βPF016β,βlabelβ:βLinuxβ},{βcodeβ:βPF027β,βlabelβ:βSolarisβ}],βVersionβ:β2.5;2.4β,βEditionβ:ββ,βLine of Businessβ:{βcodeβ:βLOB59β,βlabelβ:βSustainability Softwareβ}},{βProductβ:{βcodeβ:βSSG266β,βlabelβ:βIBM Sterling Connect:Enterprise for z/OSβ},βBusiness Unitβ:{βcodeβ:βBU059β,βlabelβ:βIBM Software w/o TPSβ},βComponentβ:βExternal Authentication Serverβ,βPlatformβ:[{βcodeβ:βPF035β,βlabelβ:βz/OSβ}],βVersionβ:β1.5;1.4;1.3β,βEditionβ:ββ,βLine of Businessβ:{βcodeβ:βLOB59β,βlabelβ:βSustainability Softwareβ}},{βProductβ:{βcodeβ:βSSKTYYβ,βlabelβ:βIBM Sterling Connect:Direct for UNIXβ},βBusiness Unitβ:{βcodeβ:βBU059β,βlabelβ:βIBM Software w/o TPSβ},βComponentβ:βExternal Authentication Serverβ,βPlatformβ:[{βcodeβ:βPF002β,βlabelβ:βAIXβ},{βcodeβ:βPF010β,βlabelβ:βHP-UXβ},{βcodeβ:βPF016β,βlabelβ:βLinuxβ},{βcodeβ:βPF027β,βlabelβ:βSolarisβ}],βVersionβ:β4.1;4.0;3.8β,βEditionβ:ββ,βLine of Businessβ:{βcodeβ:βLOB59β,βlabelβ:βSustainability Softwareβ}}]
Vendor | Product | Version | CPE |
---|---|---|---|
ibm | sterling_secure_proxy | 3.4 | cpe:2.3:a:ibm:sterling_secure_proxy:3.4:*:*:*:*:*:*:* |
ibm | sterling_secure_proxy | 3.3.1 | cpe:2.3:a:ibm:sterling_secure_proxy:3.3.1:*:*:*:*:*:*:* |
ibm | sterling_secure_proxy | 3.3 | cpe:2.3:a:ibm:sterling_secure_proxy:3.3:*:*:*:*:*:*:* |
ibm | sterling_connect\ | direct | cpe:2.3:a:ibm:sterling_connect\:direct:3.6:*:*:*:*:*:*:* |
ibm | sterling_connect\ | direct | cpe:2.3:a:ibm:sterling_connect\:direct:3.5:*:*:*:*:*:*:* |
ibm | sterling_connect\ | direct | cpe:2.3:a:ibm:sterling_connect\:direct:3.4:*:*:*:*:*:*:* |
ibm | sterling_connect\ | direct | cpe:2.3:a:ibm:sterling_connect\:direct:3.7:*:*:*:*:*:*:* |
ibm | sterling_connect\ | direct_for_microsoft_windows | cpe:2.3:a:ibm:sterling_connect\:direct_for_microsoft_windows:4.6:*:*:*:*:*:*:* |
ibm | sterling_connect\ | direct_for_microsoft_windows | cpe:2.3:a:ibm:sterling_connect\:direct_for_microsoft_windows:4.5:*:*:*:*:*:*:* |
ibm | sterling_connect\ | direct_for_microsoft_windows | cpe:2.3:a:ibm:sterling_connect\:direct_for_microsoft_windows:4.4:*:*:*:*:*:*:* |
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
EPSS
Percentile
87.6%