CVE-2011-4943: Impresspages/impresspages Remote Code Execution Vulnerability

CRITICAL
Advisory Identifier: GHSA-4xf9-4r44-86rc
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CVSS 9.8
CWE-94
Published
Advisory Summary

CVE-2011-4943 is a CRITICAL (CVSS 9.8) remote code execution vulnerability (CWE-94: Improper Control of Generation of Code ('Code Injection')) affecting Impresspages/impresspages libraries in the Packagist ecosystem. The issue involves impresspages cms rce. Remediation is available by upgrading affected packages to version 1.0.13.

CVE-2011-4943 at a Glance

CVE Identifier CVE-2011-4943
GHSA Identifier GHSA-4xf9-4r44-86rc
Severity CRITICAL
CVSS v3.1 Base Score 9.8
CWE Classification CWE-94: Improper Control of Generation of Code ('Code Injection')
Affected Product Impresspages/impresspages
Package Ecosystem Packagist
Published Date
Last Updated

Security Impact

CVSS: 9.8

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:H/A:H).

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 High (I:H)
Availability High (A:H)

How to Fix CVE-2011-4943

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

impresspages/impresspages fixed: 1.0.13 
Upgrade impresspages/impresspages to 1.0.13
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 impresspages/impresspages

How to Check if You Are Affected

To determine whether your application is affected by CVE-2011-4943, inspect your project dependencies for Impresspages/impresspages:

inspect dependencies for impresspages/impresspages

Analyze the terminal output to locate any version of Impresspages/impresspages in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 1.0.13), 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-94: Improper Control of Generation of Code ('Code Injection'), where the product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. In Impresspages/impresspages, 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

ImpressPages CMS v1.0.12 has Unspecified Remote Code Execution (fixed in v1.0.13)

CVE-2011-4943 Affected Impresspages/impresspages Versions

1 component(s)
Fixed Versions:
1.0.13
Product / Package Ecosystem Affected Versions Fixed Version
impresspages/impresspages
 Packagist
< 1.0.13
1.0.13

References

NVD — CVE-2011-4943 NVD
https://nvd.nist.gov/vuln/detail/CVE-2011-4943
Security Fix Commit FIX COMMIT
https://github.com/impresspages/ImpressPages/commit/a3a49241c3708903d75b28c2cc975d77245cf0cf
Impresspages/impresspages Source Repository REPOSITORY
https://github.com/impresspages/ImpressPages
Impresspages/impresspages Security Information SECURITY
http://www.openwall.com/lists/oss-security/2012/03/23/16

Frequently Asked Questions

What is CVE-2011-4943?
CVE-2011-4943 is a security vulnerability in Impresspages/impresspages involving ImpressPages CMS RCE under CWE-94: Improper Control of Generation of Code ('Code Injection').
Which Impresspages/impresspages versions are affected?
Affected versions include releases prior to 1.0.13 across affected packages: impresspages/impresspages.
What version fixes CVE-2011-4943?
Upgrading to 1.0.13 (or the latest patched release for your respective branch) resolves the vulnerability.
Is impresspages/impresspages affected?
Yes, impresspages/impresspages is affected in releases prior to 1.0.13. Upgrade your dependency to 1.0.13 or later.
What is the CVSS score of CVE-2011-4943?
CVE-2011-4943 has a CVSS v3.1 base score of 9.8 (CRITICAL) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
What CWE is associated with CVE-2011-4943?
CVE-2011-4943 is classified under CWE-94: Improper Control of Generation of Code ('Code Injection') (The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.).
How can I check Packagist dependencies for CVE-2011-4943?
Run the dependency tree command: 'inspect dependencies for impresspages/impresspages'. 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-4xf9-4r44-86rc",
  "modified" : "2024-01-15T17:36:31Z",
  "published" : "2022-04-22T00:24:24Z",
  "aliases" : [ "CVE-2011-4943" ],
  "summary" : "ImpressPages CMS RCE",
  "details" : "ImpressPages CMS v1.0.12 has Unspecified Remote Code Execution (fixed in v1.0.13)",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "impresspages/impresspages"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "1.0.13"
      } ]
    } ],
    "database_specific" : {
      "last_known_affected_version_range" : "<= 1.0.12"
    }
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2011-4943"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/impresspages/ImpressPages/commit/a3a49241c3708903d75b28c2cc975d77245cf0cf"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/impresspages/ImpressPages"
  }, {
    "type" : "WEB",
    "url" : "http://www.openwall.com/lists/oss-security/2012/03/23/16"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-94" ],
    "severity" : "CRITICAL",
    "github_reviewed" : true,
    "github_reviewed_at" : "2024-01-15T17:36:31Z",
    "nvd_published_at" : "2020-01-22T13:15:00Z"
  }
}