CVE-2017-14920: Egroupware/egroupware Cross-Site Scripting Vulnerability

MODERATE
Advisory Identifier: GHSA-qfg7-wc25-r3j2
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CVSS 6.1
CWE-79
Published
Advisory Summary

CVE-2017-14920 is a MODERATE (CVSS 6.1) cross-site scripting vulnerability (CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')) affecting Egroupware/egroupware libraries in the Packagist ecosystem. The issue involves egroupware community edition stored xss vulnerability. Remediation is available by upgrading affected packages to version 16.1.20170922.

CVE-2017-14920 at a Glance

CVE Identifier CVE-2017-14920
GHSA Identifier GHSA-qfg7-wc25-r3j2
Severity MODERATE
CVSS v3.1 Base Score 6.1
CWE Classification CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Product Egroupware/egroupware
Package Ecosystem Packagist
Published Date
Last Updated

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).

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

How to Fix CVE-2017-14920

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

egroupware/egroupware fixed: 16.1.20170922 
Upgrade egroupware/egroupware to 16.1.20170922
Verify Direct and Transitive Dependencies

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

inspect dependencies for egroupware/egroupware

How to Check if You Are Affected

To determine whether your application is affected by CVE-2017-14920, inspect your project dependencies for Egroupware/egroupware:

inspect dependencies for egroupware/egroupware

Analyze the terminal output to locate any version of Egroupware/egroupware in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 16.1.20170922), 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-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'), where the product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. In Egroupware/egroupware, 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

Stored XSS vulnerability in eGroupware Community Edition before 16.1.20170922 allows an unauthenticated remote attacker to inject JavaScript via the User-Agent HTTP header, which is mishandled during rendering by the application administrator.

CVE-2017-14920 Affected Egroupware/egroupware Versions

1 component(s)
Fixed Versions:
16.1.20170922
Product / Package Ecosystem Affected Versions Fixed Version
egroupware/egroupware
 Packagist
< 16.1.20170922
16.1.20170922

References

NVD — CVE-2017-14920 NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-14920
Security Fix Commit FIX COMMIT
https://github.com/EGroupware/egroupware/commit/0ececf8c78f1c3f9ba15465f53a682dd7d89529f
Egroupware/egroupware Source Repository REPOSITORY
https://github.com/EGroupware/egroupware
Egroupware/egroupware Security Information SECURITY
http://openwall.com/lists/oss-security/2017/09/28/12

Frequently Asked Questions

What is CVE-2017-14920?
CVE-2017-14920 is a security vulnerability in Egroupware/egroupware involving eGroupware Community Edition Stored XSS vulnerability under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting').
Which Egroupware/egroupware versions are affected?
Affected versions include releases prior to 16.1.20170922 across affected packages: egroupware/egroupware.
What version fixes CVE-2017-14920?
Upgrading to 16.1.20170922 (or the latest patched release for your respective branch) resolves the vulnerability.
Is egroupware/egroupware affected?
Yes, egroupware/egroupware is affected in releases prior to 16.1.20170922. Upgrade your dependency to 16.1.20170922 or later.
What is the CVSS score of CVE-2017-14920?
CVE-2017-14920 has a CVSS v3.1 base score of 6.1 (MODERATE) with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
What CWE is associated with CVE-2017-14920?
CVE-2017-14920 is classified under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') (The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.).
How can I check Packagist dependencies for CVE-2017-14920?
Run the dependency tree command: 'inspect dependencies for egroupware/egroupware'. 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
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-qfg7-wc25-r3j2",
  "modified" : "2024-04-25T20:58:43Z",
  "published" : "2022-05-17T00:35:08Z",
  "aliases" : [ "CVE-2017-14920" ],
  "summary" : "eGroupware Community Edition Stored XSS vulnerability",
  "details" : "Stored XSS vulnerability in eGroupware Community Edition before 16.1.20170922 allows an unauthenticated remote attacker to inject JavaScript via the User-Agent HTTP header, which is mishandled during rendering by the application administrator.",
  "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" : "egroupware/egroupware"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "16.1.20170922"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2017-14920"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/EGroupware/egroupware/commit/0ececf8c78f1c3f9ba15465f53a682dd7d89529f"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/EGroupware/egroupware"
  }, {
    "type" : "WEB",
    "url" : "http://openwall.com/lists/oss-security/2017/09/28/12"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-79" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2024-04-25T20:58:43Z",
    "nvd_published_at" : "2017-09-30T01:29:00Z"
  }
}