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    PYSEC-2021-146

    Vulnerability from pysec - Published: 2021-02-18 16:15 - Updated: 2021-08-27 03:22
    VLAI
    Details

    All versions of package reportlab are vulnerable to Server-side Request Forgery (SSRF) via img tags. In order to reduce risk, use trustedSchemes & trustedHosts (see in Reportlab's documentation) Steps to reproduce by Karan Bamal: 1. Download and install the latest package of reportlab 2. Go to demos -> odyssey -> dodyssey 3. In the text file odyssey.txt that needs to be converted to pdf inject 4. Create a nc listener nc -lp 5000 5. Run python3 dodyssey.py 6. You will get a hit on your nc showing we have successfully proceded to send a server side request 7. dodyssey.py will show error since there is no img file on the url, but we are able to do SSRF

    Impacted products
    Name purl
    reportlab pkg:pypi/reportlab

    {
      "affected": [
        {
          "package": {
            "ecosystem": "PyPI",
            "name": "reportlab",
            "purl": "pkg:pypi/reportlab"
          },
          "ranges": [
            {
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "3.5.55"
                }
              ],
              "type": "ECOSYSTEM"
            }
          ],
          "versions": [
            "2.0",
            "2.3",
            "2.4",
            "2.5",
            "2.6",
            "2.7",
            "3.0",
            "3.1.44",
            "3.1.8",
            "3.2.0",
            "3.3.0",
            "3.4.0",
            "3.5.0",
            "3.5.1",
            "3.5.10",
            "3.5.11",
            "3.5.12",
            "3.5.13",
            "3.5.16",
            "3.5.17",
            "3.5.18",
            "3.5.19",
            "3.5.2",
            "3.5.20",
            "3.5.21",
            "3.5.23",
            "3.5.26",
            "3.5.28",
            "3.5.31",
            "3.5.32",
            "3.5.34",
            "3.5.4",
            "3.5.42",
            "3.5.44",
            "3.5.45",
            "3.5.46",
            "3.5.47",
            "3.5.48",
            "3.5.49",
            "3.5.5",
            "3.5.50",
            "3.5.51",
            "3.5.52",
            "3.5.53",
            "3.5.54",
            "3.5.6",
            "3.5.8",
            "3.5.9"
          ]
        }
      ],
      "aliases": [
        "CVE-2020-28463",
        "SNYK-PYTHON-REPORTLAB-1022145",
        "GHSA-mpvw-25mg-59vx"
      ],
      "details": "All versions of package reportlab are vulnerable to Server-side Request Forgery (SSRF) via img tags. In order to reduce risk, use trustedSchemes \u0026 trustedHosts (see in Reportlab\u0027s documentation) Steps to reproduce by Karan Bamal: 1. Download and install the latest package of reportlab 2. Go to demos -\u003e odyssey -\u003e dodyssey 3. In the text file odyssey.txt that needs to be converted to pdf inject \u003cimg src=\"http://127.0.0.1:5000\" valign=\"top\"/\u003e 4. Create a nc listener nc -lp 5000 5. Run python3 dodyssey.py 6. You will get a hit on your nc showing we have successfully proceded to send a server side request 7. dodyssey.py will show error since there is no img file on the url, but we are able to do SSRF",
      "id": "PYSEC-2021-146",
      "modified": "2021-08-27T03:22:19.297131Z",
      "published": "2021-02-18T16:15:00Z",
      "references": [
        {
          "type": "ADVISORY",
          "url": "https://snyk.io/vuln/SNYK-PYTHON-REPORTLAB-1022145"
        },
        {
          "type": "WEB",
          "url": "https://www.reportlab.com/docs/reportlab-userguide.pdf"
        },
        {
          "type": "ADVISORY",
          "url": "https://github.com/advisories/GHSA-mpvw-25mg-59vx"
        }
      ]
    }