CVE-2019-11016: Elgg/elgg Elgg Open Redirect Vulnerability
MODERATECVE-2019-11016 is a MODERATE (CVSS 6.1) elgg open redirect vulnerability (CWE-601: URL Redirection to Untrusted Site ('Open Redirect')) affecting Elgg/elgg libraries in the Packagist ecosystem. The issue involves elgg open redirect. Remediation is available by upgrading affected packages to version 1.12.18, 2.3.11.
CVE-2019-11016 at a Glance
Security Impact
CVSS: 6.1
The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N).
How to Fix CVE-2019-11016
To remediate this vulnerability, upgrade all affected Elgg/elgg 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 elgg/elgg to 1.12.18Upgrade elgg/elgg to 2.3.11Run the following command in your project directory to verify that all resolved dependencies use the patched release:
inspect dependencies for elgg/elggHow to Check if You Are Affected
To determine whether your application is affected by CVE-2019-11016, inspect your project dependencies for Elgg/elgg:
inspect dependencies for elgg/elggAnalyze the terminal output to locate any version of Elgg/elgg in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 1.12.18), 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-601: URL Redirection to Untrusted Site ('Open Redirect'), where the web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a redirect. In Elgg/elgg, 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-2019-11016 Affected Elgg/elgg Versions
2 component(s)| Product / Package | Ecosystem | Affected Versions | Fixed Version |
|---|---|---|---|
|
elgg/elgg
|
Packagist |
< 1.12.18
|
1.12.18
|
|
elgg/elgg
|
Packagist |
≥ 2.3.0
< 2.3.11
|
2.3.11
|
References
Frequently Asked Questions
What is CVE-2019-11016?
Which Elgg/elgg versions are affected?
What version fixes CVE-2019-11016?
Is elgg/elgg affected?
What is the CVSS score of CVE-2019-11016?
What CWE is associated with CVE-2019-11016?
How can I check Packagist dependencies for CVE-2019-11016?
Machine-readable OSV JSON
OSV v1.5 Schema
{
"schema_version" : "1.4.0",
"id" : "GHSA-r6h7-846c-8m78",
"modified" : "2023-09-28T20:32:05Z",
"published" : "2022-05-14T01:11:26Z",
"aliases" : [ "CVE-2019-11016" ],
"summary" : "Elgg open redirect",
"details" : "Elgg before 1.12.18 and 2.3.x before 2.3.11 has an open redirect.",
"severity" : [ {
"type" : "CVSS_V3",
"score" : "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"
} ],
"affected" : [ {
"package" : {
"ecosystem" : "Packagist",
"name" : "elgg/elgg"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "0"
}, {
"fixed" : "1.12.18"
} ]
} ]
}, {
"package" : {
"ecosystem" : "Packagist",
"name" : "elgg/elgg"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "2.3.0"
}, {
"fixed" : "2.3.11"
} ]
} ]
} ],
"references" : [ {
"type" : "ADVISORY",
"url" : "https://nvd.nist.gov/vuln/detail/CVE-2019-11016"
}, {
"type" : "WEB",
"url" : "https://elgg.org/blog/view/2913744/security-release-elgg-11218-and-2311"
}, {
"type" : "PACKAGE",
"url" : "https://github.com/Elgg/Elgg"
}, {
"type" : "WEB",
"url" : "https://github.com/Elgg/Elgg/releases/tag/1.12.18"
}, {
"type" : "WEB",
"url" : "https://github.com/Elgg/Elgg/releases/tag/2.3.11"
} ],
"database_specific" : {
"cwe_ids" : [ "CWE-601" ],
"severity" : "MODERATE",
"github_reviewed" : true,
"github_reviewed_at" : "2023-07-19T21:10:04Z",
"nvd_published_at" : "2019-04-08T21:29:00Z"
}
}