CVE-2008-6540: DotNetNuke.Core DotNetNuke Default Machine Key Exposure Vulnerability
MODERATECVE-2008-6540 is a MODERATE dotnetnuke default machine key exposure vulnerability (CWE-453: Insecure Default Variable Initialization) affecting DotNetNuke.Core libraries in the NuGet ecosystem. The issue involves dotnetnuke default machine key exposure. Remediation is available by upgrading affected packages to version 4.8.2.
CVE-2008-6540 at a Glance
How to Fix CVE-2008-6540
To remediate this vulnerability, upgrade all affected DotNetNuke.Core dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.
Upgrade DotNetNuke.Core to 4.8.2Run the following command in your project directory to verify that all resolved dependencies use the patched release:
inspect dependencies for DotNetNuke.CoreHow to Check if You Are Affected
To determine whether your application is affected by CVE-2008-6540, inspect your project dependencies for DotNetNuke.Core:
inspect dependencies for DotNetNuke.CoreAnalyze the terminal output to locate any version of DotNetNuke.Core in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 4.8.2), your application is affected.
Note: Verify declared build manifests and deployed runtime container environments.
Technical Details
Vulnerability Mechanism & Technical Analysis
This vulnerability is classified under CWE-453: Insecure Default Variable Initialization, where the product, by default, initializes an internal variable with an insecure or less secure value than is possible. In DotNetNuke.Core, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.
Source Advisory Statement
CVE-2008-6540 Affected DotNetNuke.Core Versions
1 component(s)| Product / Package | Ecosystem | Affected Versions | Fixed Version |
|---|---|---|---|
|
DotNetNuke.Core
|
NuGet |
< 4.8.2
|
4.8.2
|
References
Frequently Asked Questions
What is CVE-2008-6540?
Which DotNetNuke.Core versions are affected?
What version fixes CVE-2008-6540?
Is DotNetNuke.Core affected?
What CWE is associated with CVE-2008-6540?
How can I check NuGet dependencies for CVE-2008-6540?
Machine-readable OSV JSON
OSV v1.5 Schema
{
"schema_version" : "1.4.0",
"id" : "GHSA-grw3-hjjm-5cjm",
"modified" : "2023-09-22T22:27:09Z",
"published" : "2022-05-14T02:38:47Z",
"aliases" : [ "CVE-2008-6540" ],
"summary" : "DotNetNuke Default Machine Key Exposure",
"details" : "DotNetNuke before 4.8.2, during installation or upgrade, does not warn the administrator when the default (1) ValidationKey and (2) DecryptionKey values cannot be modified in the web.config file, which allows remote attackers to bypass intended access restrictions by using the default keys.",
"severity" : [ ],
"affected" : [ {
"package" : {
"ecosystem" : "NuGet",
"name" : "DotNetNuke.Core"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "0"
}, {
"fixed" : "4.8.2"
} ]
} ]
} ],
"references" : [ {
"type" : "ADVISORY",
"url" : "https://nvd.nist.gov/vuln/detail/CVE-2008-6540"
}, {
"type" : "WEB",
"url" : "https://exchange.xforce.ibmcloud.com/vulnerabilities/41399"
}, {
"type" : "PACKAGE",
"url" : "https://github.com/dnnsoftware/Dnn.Platform"
}, {
"type" : "WEB",
"url" : "http://osvdb.org/43720"
}, {
"type" : "WEB",
"url" : "http://secunia.com/advisories/29488"
}, {
"type" : "WEB",
"url" : "http://www.dotnetnuke.com/News/SecurityBulletins/SecurityBulletinno12/tabid/1148/Default.aspx"
}, {
"type" : "WEB",
"url" : "http://www.securityfocus.com/archive/1/489957/100/0/threaded"
}, {
"type" : "WEB",
"url" : "http://www.securityfocus.com/bid/28391"
} ],
"database_specific" : {
"cwe_ids" : [ "CWE-453" ],
"severity" : "MODERATE",
"github_reviewed" : true,
"github_reviewed_at" : "2023-09-22T22:27:09Z",
"nvd_published_at" : "2009-03-30T01:30:00Z"
}
}