ghsa-r53w-g4xm-3gc6
Vulnerability from github
Published
2019-10-21 21:59
Modified
2023-08-25 21:32
Severity ?
6.1 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Summary
Haml vulnerable to cross-site scripting
Details

In haml versions prior to version 5.0.0.beta.2, when using user input to perform tasks on the server, characters like < > " ' must be escaped properly. In this case, the ' character was missed. An attacker can manipulate the input to introduce additional attributes, potentially executing code.

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{
  "affected": [
    {
      "package": {
        "ecosystem": "RubyGems",
        "name": "haml"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5.0.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2017-1002201"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-79"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2019-10-16T15:18:02Z",
    "nvd_published_at": "2019-10-15T18:15:00Z",
    "severity": "MODERATE"
  },
  "details": "In haml versions prior to version 5.0.0.beta.2, when using user input to perform tasks on the server, characters like `\u003c \u003e \" \u0027` must be escaped properly. In this case, the `\u0027` character was missed. An attacker can manipulate the input to introduce additional attributes, potentially executing code.",
  "id": "GHSA-r53w-g4xm-3gc6",
  "modified": "2023-08-25T21:32:06Z",
  "published": "2019-10-21T21:59:13Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2017-1002201"
    },
    {
      "type": "WEB",
      "url": "https://github.com/haml/haml/commit/18576ae6e9bdcb4303fdbe6b3199869d289d67c2"
    },
    {
      "type": "WEB",
      "url": "https://github.com/haml/haml"
    },
    {
      "type": "WEB",
      "url": "https://github.com/rubysec/ruby-advisory-db/blob/master/gems/haml/CVE-2017-1002201.yml"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2019/11/msg00007.html"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2021/12/msg00028.html"
    },
    {
      "type": "WEB",
      "url": "https://security.gentoo.org/glsa/202007-27"
    },
    {
      "type": "WEB",
      "url": "https://snyk.io/vuln/SNYK-RUBY-HAML-20362"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Haml vulnerable to cross-site scripting"
}


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