GHSA-36QH-35CM-5W2W

Vulnerability from github – Published: 2021-08-13 15:21 – Updated: 2022-02-08 21:08
VLAI?
Summary
Authentication Bypass by Alternate Name in Apache Tomcat
Details

A vulnerability in the JNDI Realm of Apache Tomcat allows an attacker to authenticate using variations of a valid user name and/or to bypass some of the protection provided by the LockOut Realm. This issue affects Apache Tomcat 10.0.0-M1 to 10.0.5; 9.0.0.M1 to 9.0.45; 8.5.0 to 8.5.65.

Severity ?
6.5 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N
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{
  "affected": [
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.apache.tomcat:tomcat"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "10.0.0-M1"
            },
            {
              "fixed": "10.0.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.apache.tomcat:tomcat"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "9.0.0M1"
            },
            {
              "fixed": "9.0.45"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.apache.tomcat:tomcat"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "8.5.0"
            },
            {
              "fixed": "8.5.65"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2021-30640"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-116",
      "CWE-287",
      "CWE-289"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2021-07-13T19:21:02Z",
    "nvd_published_at": "2021-07-12T15:15:00Z",
    "severity": "MODERATE"
  },
  "details": "A vulnerability in the JNDI Realm of Apache Tomcat allows an attacker to authenticate using variations of a valid user name and/or to bypass some of the protection provided by the LockOut Realm. This issue affects Apache Tomcat 10.0.0-M1 to 10.0.5; 9.0.0.M1 to 9.0.45; 8.5.0 to 8.5.65.",
  "id": "GHSA-36qh-35cm-5w2w",
  "modified": "2022-02-08T21:08:59Z",
  "published": "2021-08-13T15:21:24Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-30640"
    },
    {
      "type": "WEB",
      "url": "https://lists.apache.org/thread.html/r59f9ef03929d32120f91f4ea7e6e79edd5688d75d0a9b65fd26d1fe8%40%3Cannounce.tomcat.apache.org%3E"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2021/08/msg00009.html"
    },
    {
      "type": "WEB",
      "url": "https://security.gentoo.org/glsa/202208-34"
    },
    {
      "type": "WEB",
      "url": "https://security.netapp.com/advisory/ntap-20210827-0007"
    },
    {
      "type": "WEB",
      "url": "https://www.debian.org/security/2021/dsa-4952"
    },
    {
      "type": "WEB",
      "url": "https://www.debian.org/security/2021/dsa-4986"
    },
    {
      "type": "WEB",
      "url": "https://www.oracle.com//security-alerts/cpujul2021.html"
    },
    {
      "type": "WEB",
      "url": "https://www.oracle.com/security-alerts/cpujan2022.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:H/PR:N/UI:N/S:U/C:L/I:H/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Authentication Bypass by Alternate Name in Apache Tomcat"
}


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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.