CVE-2018-16153: Opencast common Opencast Publishes Global System Account Vulnerability

HIGH
Advisory Identifier: GHSA-hcxx-mp6g-6gr9
CVSS 7.5
CWE-522 CWE-200
Published
Advisory Summary

CVE-2018-16153 is a HIGH (CVSS 7.5) opencast publishes global system account vulnerability (CWE-522: Insufficiently Protected Credentials) affecting Opencast common libraries in the Maven ecosystem. The issue involves opencast publishes global system account credentials. Remediation is available by upgrading affected packages to version 10.6.

CVE-2018-16153 at a Glance

CVE Identifier CVE-2018-16153
GHSA Identifier GHSA-hcxx-mp6g-6gr9
Severity HIGH
CVSS v3.1 Base Score 7.5
CWE Classification CWE-522: Insufficiently Protected Credentials
Affected Product Opencast common
Package Ecosystem Maven
Published Date
Last Updated

Security Impact

CVSS: 7.5

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N).

Attack Vector Network (AV:N)
Attack Complexity Low (AC:L)
Privileges Required None (PR:N)
User Interaction None (UI:N)
Scope Unchanged (S:U)
Confidentiality High (C:H)
Integrity None (I:N)
Availability None (A:N)

How to Fix CVE-2018-16153

To remediate this vulnerability, upgrade all affected Opencast common dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

org.opencastproject:opencast-common fixed: 10.6
<dependency>
    <groupId>org.opencastproject</groupId>
    <artifactId>opencast-common</artifactId>
    <version>10.6</version>
</dependency>
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release:

mvn dependency:tree -Dincludes=org.opencastproject

How to Check if You Are Affected

To determine whether your Java application is affected by CVE-2018-16153, inspect your build dependencies using the Maven Dependency Plugin:

mvn dependency:tree -Dincludes=org.opencastproject

Analyze the terminal output to locate any version of Opencast common in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 10.6), your application is affected.

Note: The mvn dependency:tree -Dincludes=org.opencastproject command inspects the resolved dependency graph declared in your project's POM files; it does not perform automated security scanning or inspect runtime dynamic classpaths. Always verify runtime container classpaths and shaded JARs.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-522: Insufficiently Protected Credentials, where the product transmits or stores authentication credentials, but it uses an insecure method that is susceptible to unauthorized interception and/or retrieval. In Opencast common, 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

The issue was mostly mitigated before, drastically reducing the risk. See references below for more information. ### Impact Opencast before version 10.6 will try to authenticate against any external services listed in a media package when it is trying to access the files, sending the global system user's credentials, regardless of the target being part of the Opencast cluster or not. Previous mitigations already prevented clear text authentications for such requests (e.g. HTTP Basic authentication), but with enough malicious intent, even hashed credentials can be broken. ### Patches Opencast 10.6 will now send authentication requests only against servers which are part of the Opencast cluster, preventing external services from getting any form of authentication attempt in the first place. ### Workarounds No workaround available. ### References - [Patch fixing the issue](https://github.com/opencast/opencast/commit/776d5588f39c61eb04c03bb955416c4f77629d51) - [Original security notice](https://groups.google.com/a/opencast.org/g/security-notices/c/XRZzRiqp-NE) - [Original security mitigation](https://github.com/opencast/opencast/commit/fe8c3d3a60dc5869b468957270dbad5f8c30ead6) ### For more information If you have any questions or comments about this advisory: - Open an issue in [our issue tracker](https://github.com/opencast/opencast/issues) - Email us at [security@opencast.org](mailto:security@opencast.org)

CVE-2018-16153 Affected Opencast common Versions

1 component(s)
Fixed Versions:
10.6
Product / Package Ecosystem Affected Versions Fixed Version
org.opencastproject:opencast-common
Maven
< 10.6
10.6

References

Frequently Asked Questions

What is CVE-2018-16153?
CVE-2018-16153 is a security vulnerability in Opencast common involving Opencast publishes global system account credentials under CWE-522: Insufficiently Protected Credentials.
Which Opencast common versions are affected?
Affected versions include releases prior to 10.6 across affected packages: org.opencastproject:opencast-common.
What version fixes CVE-2018-16153?
Upgrading to 10.6 (or the latest patched release for your respective branch) resolves the vulnerability.
Is opencast-common affected?
Yes, org.opencastproject:opencast-common is affected in releases prior to 10.6. Upgrade your dependency to 10.6 or later.
What is the CVSS score of CVE-2018-16153?
CVE-2018-16153 has a CVSS v3.1 base score of 7.5 (HIGH) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
What CWE is associated with CVE-2018-16153?
CVE-2018-16153 is classified under CWE-522: Insufficiently Protected Credentials (The product transmits or stores authentication credentials, but it uses an insecure method that is susceptible to unauthorized interception and/or retrieval.).
How can I check Maven dependencies for CVE-2018-16153?
Run the dependency tree command: 'mvn dependency:tree -Dincludes=org.opencastproject'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-hcxx-mp6g-6gr9",
  "modified" : "2023-12-14T22:27:16Z",
  "published" : "2021-12-14T21:43:48Z",
  "aliases" : [ "CVE-2018-16153" ],
  "summary" : "Opencast publishes global system account credentials",
  "details" : "The issue was mostly mitigated before, drastically reducing the risk. See references below for more information.\n\n### Impact\n\nOpencast before version 10.6 will try to authenticate against any external services listed in a media package when it is trying to access the files, sending the global system user's credentials, regardless of the target being part of the Opencast cluster or not.\n\nPrevious mitigations already prevented clear text authentications for such requests (e.g. HTTP Basic authentication), but with enough malicious intent, even hashed credentials can be broken.\n\n### Patches\n\nOpencast 10.6 will now send authentication requests only against servers which are part of the Opencast cluster, preventing external services from getting any form of authentication attempt in the first place.\n\n### Workarounds\n\nNo workaround available.\n\n### References\n\n- [Patch fixing the issue](https://github.com/opencast/opencast/commit/776d5588f39c61eb04c03bb955416c4f77629d51)\n- [Original security notice](https://groups.google.com/a/opencast.org/g/security-notices/c/XRZzRiqp-NE)\n- [Original security mitigation](https://github.com/opencast/opencast/commit/fe8c3d3a60dc5869b468957270dbad5f8c30ead6)\n\n### For more information\n\nIf you have any questions or comments about this advisory:\n- Open an issue in [our issue tracker](https://github.com/opencast/opencast/issues)\n- Email us at [security@opencast.org](mailto:security@opencast.org)\n",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Maven",
      "name" : "org.opencastproject:opencast-common"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "10.6"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://github.com/opencast/opencast/security/advisories/GHSA-hcxx-mp6g-6gr9"
  }, {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2018-16153"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/opencast/opencast/commit/776d5588f39c61eb04c03bb955416c4f77629d51"
  }, {
    "type" : "WEB",
    "url" : "https://docs.opencast.org/r/10.x/admin/#changelog"
  }, {
    "type" : "WEB",
    "url" : "https://docs.opencast.org/r/10.x/admin/#changelog/#opencast-106"
  }, {
    "type" : "ADVISORY",
    "url" : "https://github.com/advisories/GHSA-hcxx-mp6g-6gr9"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/opencast/opencast"
  }, {
    "type" : "WEB",
    "url" : "https://www.apereo.org/projects/opencast/news"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-200", "CWE-522" ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2021-12-14T15:51:41Z",
    "nvd_published_at" : "2023-12-12T17:15:07Z"
  }
}