ghsa-wqvq-5m8c-6g24
Vulnerability from github
Published
2021-06-18 18:46
Modified
2023-09-05 18:05
Severity ?
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Summary
CRLF injection in urllib3
Details

urllib3 before 1.25.9 allows CRLF injection if the attacker controls the HTTP request method, as demonstrated by inserting CR and LF control characters in the first argument of putrequest(). NOTE: this is similar to CVE-2020-26116.

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{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "urllib3"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.25.9"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2020-26137"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-74"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2021-06-17T22:13:47Z",
    "nvd_published_at": "2020-09-30T18:15:00Z",
    "severity": "MODERATE"
  },
  "details": "urllib3 before 1.25.9 allows CRLF injection if the attacker controls the HTTP request method, as demonstrated by inserting CR and LF control characters in the first argument of `putrequest()`. NOTE: this is similar to CVE-2020-26116.",
  "id": "GHSA-wqvq-5m8c-6g24",
  "modified": "2023-09-05T18:05:33Z",
  "published": "2021-06-18T18:46:43Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-26137"
    },
    {
      "type": "WEB",
      "url": "https://github.com/urllib3/urllib3/pull/1800"
    },
    {
      "type": "WEB",
      "url": "https://github.com/urllib3/urllib3/commit/1dd69c5c5982fae7c87a620d487c2ebf7a6b436b"
    },
    {
      "type": "WEB",
      "url": "https://bugs.python.org/issue39603"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/urllib3/urllib3"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2021/06/msg00015.html"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2023/10/msg00012.html"
    },
    {
      "type": "WEB",
      "url": "https://usn.ubuntu.com/4570-1"
    },
    {
      "type": "WEB",
      "url": "https://www.oracle.com/security-alerts/cpujul2022.html"
    },
    {
      "type": "WEB",
      "url": "https://www.oracle.com/security-alerts/cpuoct2021.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "CRLF injection in urllib3"
}


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