{
  "document": {
    "category": "csaf_vex",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Public",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en-US",
    "notes": [
      {
        "category": "general",
        "text": "To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle",
        "title": "Additional Resources"
      },
      {
        "category": "legal_disclaimer",
        "text": "The information provided in the Microsoft Knowledge Base is provided \\\"as is\\\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.",
        "title": "Disclaimer"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "secure@microsoft.com",
      "name": "Microsoft Security Response Center",
      "namespace": "https://msrc.microsoft.com"
    },
    "references": [
      {
        "category": "self",
        "summary": "CVE-2022-48338 An issue was discovered in GNU Emacs through 28.2. In ruby-mode.el the ruby-find-library-file function has a local command injection vulnerability. The ruby-find-library-file function is an interactive function and bound to C-c C-f. Inside the function the external command gem is called through shell-command-to-string but the feature-name parameters are not escaped. Thus malicious Ruby source files may cause commands to be executed. - VEX",
        "url": "https://msrc.microsoft.com/csaf/vex/2023/msrc_cve-2022-48338.json"
      },
      {
        "category": "external",
        "summary": "Microsoft Support Lifecycle",
        "url": "https://support.microsoft.com/lifecycle"
      },
      {
        "category": "external",
        "summary": "Common Vulnerability Scoring System",
        "url": "https://www.first.org/cvss"
      }
    ],
    "title": "An issue was discovered in GNU Emacs through 28.2. In ruby-mode.el the ruby-find-library-file function has a local command injection vulnerability. The ruby-find-library-file function is an interactive function and bound to C-c C-f. Inside the function the external command gem is called through shell-command-to-string but the feature-name parameters are not escaped. Thus malicious Ruby source files may cause commands to be executed.",
    "tracking": {
      "current_release_date": "2023-03-22T00:00:00.000Z",
      "generator": {
        "date": "2025-10-20T00:15:36.640Z",
        "engine": {
          "name": "MSRC Generator",
          "version": "1.0"
        }
      },
      "id": "msrc_CVE-2022-48338",
      "initial_release_date": "2023-02-01T00:00:00.000Z",
      "revision_history": [
        {
          "date": "2023-02-27T00:00:00.000Z",
          "legacy_version": "1",
          "number": "1",
          "summary": "Information published."
        },
        {
          "date": "2023-03-22T00:00:00.000Z",
          "legacy_version": "1.1",
          "number": "2",
          "summary": "Information published."
        }
      ],
      "status": "final",
      "version": "2"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "2.0",
                "product": {
                  "name": "CBL Mariner 2.0",
                  "product_id": "17086"
                }
              }
            ],
            "category": "product_name",
            "name": "Azure Linux"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003ccbl2 emacs 28.2-4",
                "product": {
                  "name": "\u003ccbl2 emacs 28.2-4",
                  "product_id": "1"
                }
              },
              {
                "category": "product_version",
                "name": "cbl2 emacs 28.2-4",
                "product": {
                  "name": "cbl2 emacs 28.2-4",
                  "product_id": "18397"
                }
              }
            ],
            "category": "product_name",
            "name": "emacs"
          }
        ],
        "category": "vendor",
        "name": "Microsoft"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "\u003ccbl2 emacs 28.2-4 as a component of CBL Mariner 2.0",
          "product_id": "17086-1"
        },
        "product_reference": "1",
        "relates_to_product_reference": "17086"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "cbl2 emacs 28.2-4 as a component of CBL Mariner 2.0",
          "product_id": "18397-17086"
        },
        "product_reference": "18397",
        "relates_to_product_reference": "17086"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2022-48338",
      "cwe": {
        "id": "CWE-77",
        "name": "Improper Neutralization of Special Elements used in a Command (\u0027Command Injection\u0027)"
      },
      "notes": [
        {
          "category": "general",
          "text": "mitre",
          "title": "Assigning CNA"
        }
      ],
      "product_status": {
        "fixed": [
          "18397-17086"
        ],
        "known_affected": [
          "17086-1"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2022-48338 An issue was discovered in GNU Emacs through 28.2. In ruby-mode.el the ruby-find-library-file function has a local command injection vulnerability. The ruby-find-library-file function is an interactive function and bound to C-c C-f. Inside the function the external command gem is called through shell-command-to-string but the feature-name parameters are not escaped. Thus malicious Ruby source files may cause commands to be executed. - VEX",
          "url": "https://msrc.microsoft.com/csaf/vex/2023/msrc_cve-2022-48338.json"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2023-02-27T00:00:00.000Z",
          "details": "28.2-4:Security Update:https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade",
          "product_ids": [
            "17086-1"
          ],
          "url": "https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.3,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "environmentalsScore": 0.0,
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "temporalScore": 7.3,
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
            "17086-1"
          ]
        }
      ],
      "title": "An issue was discovered in GNU Emacs through 28.2. In ruby-mode.el the ruby-find-library-file function has a local command injection vulnerability. The ruby-find-library-file function is an interactive function and bound to C-c C-f. Inside the function the external command gem is called through shell-command-to-string but the feature-name parameters are not escaped. Thus malicious Ruby source files may cause commands to be executed."
    }
  ]
}