CVE-2020-35572: Vrana/adminer Cross-Site Scripting Vulnerability

MODERATE
Advisory Identifier: GHSA-9pgx-gcph-mpqr
Share
CVSS 6.1
CWE-79
Published
Advisory Summary

CVE-2020-35572 is a MODERATE (CVSS 6.1) cross-site scripting vulnerability (CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')) affecting Vrana/adminer libraries in the Packagist ecosystem. The issue involves vrana/adminer via xss in the history parameter in sql command. Remediation is available by upgrading affected packages to version 4.7.9.

CVE-2020-35572 at a Glance

CVE Identifier CVE-2020-35572
GHSA Identifier GHSA-9pgx-gcph-mpqr
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 Vrana/adminer
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:3.1/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-2020-35572

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

vrana/adminer fixed: 4.7.9 
Upgrade vrana/adminer to 4.7.9
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 vrana/adminer

How to Check if You Are Affected

To determine whether your application is affected by CVE-2020-35572, inspect your project dependencies for Vrana/adminer:

inspect dependencies for vrana/adminer

Analyze the terminal output to locate any version of Vrana/adminer in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 4.7.9), 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 Vrana/adminer, 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

### Impact Users of Adminer versions supporting SQL command (most versions, e.g. MySQL) using browsers not encoding URL parameters before sending to server (likely Edge, not Chrome, not Firefox) are affected. ### Patches Patched by 5c395afc, included in version [4.7.9](https://github.com/vrana/adminer/releases/tag/v4.7.9). ### Workarounds Use browser which encodes URL parameters (e.g. Chrome or Firefox). ### References https://sourceforge.net/p/adminer/bugs-and-features/775/ ### For more information If you have any questions or comments about this advisory: * Comment at https://sourceforge.net/p/adminer/bugs-and-features/775/

CVE-2020-35572 Affected Vrana/adminer Versions

1 component(s)
Fixed Versions:
4.7.9
Product / Package Ecosystem Affected Versions Fixed Version
vrana/adminer
 Packagist
< 4.7.9
4.7.9

References

GitHub Advisory / Wiki ADVISORY
https://github.com/vrana/adminer/security/advisories/GHSA-9pgx-gcph-mpqr
NVD — CVE-2020-35572 NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-35572
Security Fix Commit FIX COMMIT
https://github.com/vrana/adminer/commit/5c395afc098e501be3417017c6421968aac477bd
Vrana/adminer Source Repository REPOSITORY
https://github.com/vrana/adminer
sourceforge.net/p/adminer/bugs-and-... WEB
https://sourceforge.net/p/adminer/bugs-and-features/775
sourceforge.net/p/adminer/news/2021... WEB
https://sourceforge.net/p/adminer/news/2021/02/adminer-479-released

Frequently Asked Questions

What is CVE-2020-35572?
CVE-2020-35572 is a security vulnerability in Vrana/adminer involving vrana/adminer via XSS in the history parameter in SQL command under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting').
Which Vrana/adminer versions are affected?
Affected versions include releases prior to 4.7.9 across affected packages: vrana/adminer.
What version fixes CVE-2020-35572?
Upgrading to 4.7.9 (or the latest patched release for your respective branch) resolves the vulnerability.
Is vrana/adminer affected?
Yes, vrana/adminer is affected in releases prior to 4.7.9. Upgrade your dependency to 4.7.9 or later.
What is the CVSS score of CVE-2020-35572?
CVE-2020-35572 has a CVSS v3.1 base score of 6.1 (MODERATE) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
What CWE is associated with CVE-2020-35572?
CVE-2020-35572 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-2020-35572?
Run the dependency tree command: 'inspect dependencies for vrana/adminer'. 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-9pgx-gcph-mpqr",
  "modified" : "2023-09-21T19:59:45Z",
  "published" : "2021-02-11T20:42:28Z",
  "aliases" : [ "CVE-2020-35572" ],
  "summary" : "vrana/adminer via XSS in the history parameter in SQL command",
  "details" : "### Impact\nUsers of Adminer versions supporting SQL command (most versions, e.g. MySQL) using browsers not encoding URL parameters before sending to server (likely Edge, not Chrome, not Firefox) are affected.\n\n### Patches\nPatched by 5c395afc, included in version [4.7.9](https://github.com/vrana/adminer/releases/tag/v4.7.9).\n\n### Workarounds\nUse browser which encodes URL parameters (e.g. Chrome or Firefox).\n\n### References\nhttps://sourceforge.net/p/adminer/bugs-and-features/775/\n\n### For more information\nIf you have any questions or comments about this advisory:\n* Comment at https://sourceforge.net/p/adminer/bugs-and-features/775/\n",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "vrana/adminer"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "4.7.9"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://github.com/vrana/adminer/security/advisories/GHSA-9pgx-gcph-mpqr"
  }, {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2020-35572"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/vrana/adminer/commit/5c395afc098e501be3417017c6421968aac477bd"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/vrana/adminer"
  }, {
    "type" : "WEB",
    "url" : "https://sourceforge.net/p/adminer/bugs-and-features/775"
  }, {
    "type" : "WEB",
    "url" : "https://sourceforge.net/p/adminer/news/2021/02/adminer-479-released"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-79" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2021-02-11T20:39:01Z",
    "nvd_published_at" : "2021-02-09T18:15:00Z"
  }
}