GHSA-344F-F5VG-2JFJ

Vulnerability from github – Published: 2020-05-21 18:52 – Updated: 2024-03-11 16:18
VLAI?
Summary
Potential remote code execution in Apache Tomcat
Details

When using Apache Tomcat versions 10.0.0-M1 to 10.0.0-M4, 9.0.0.M1 to 9.0.34, 8.5.0 to 8.5.54 and 7.0.0 to 7.0.103 if a) an attacker is able to control the contents and name of a file on the server; and b) the server is configured to use the PersistenceManager with a FileStore; and c) the PersistenceManager is configured with sessionAttributeValueClassNameFilter="null" (the default unless a SecurityManager is used) or a sufficiently lax filter to allow the attacker provided object to be deserialized; and d) the attacker knows the relative file path from the storage location used by FileStore to the file the attacker has control over; then, using a specifically crafted request, the attacker will be able to trigger remote code execution via deserialization of the file under their control. Note that all of conditions a) to d) must be true for the attack to succeed.

Severity ?
7.0 (High)
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Show details on source website
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{
  "affected": [
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 10.0.0-M4"
      },
      "package": {
        "ecosystem": "Maven",
        "name": "org.apache.tomcat:tomcat-catalina"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "10.0.0-M1"
            },
            {
              "fixed": "10.0.0-M5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.apache.tomcat:tomcat-catalina"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "9.0.0"
            },
            {
              "fixed": "9.0.35"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.apache.tomcat:tomcat-catalina"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "8.0.0"
            },
            {
              "fixed": "8.5.55"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.apache.tomcat:tomcat-catalina"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "7.0.0"
            },
            {
              "fixed": "7.0.104"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2020-9484"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-502"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2020-05-21T17:21:20Z",
    "nvd_published_at": "2020-05-20T19:15:00Z",
    "severity": "HIGH"
  },
  "details": "When using Apache Tomcat versions 10.0.0-M1 to 10.0.0-M4, 9.0.0.M1 to 9.0.34, 8.5.0 to 8.5.54 and 7.0.0 to 7.0.103 if a) an attacker is able to control the contents and name of a file on the server; and b) the server is configured to use the PersistenceManager with a FileStore; and c) the PersistenceManager is configured with sessionAttributeValueClassNameFilter=\"null\" (the default unless a SecurityManager is used) or a sufficiently lax filter to allow the attacker provided object to be deserialized; and d) the attacker knows the relative file path from the storage location used by FileStore to the file the attacker has control over; then, using a specifically crafted request, the attacker will be able to trigger remote code execution via deserialization of the file under their control. Note that all of conditions a) to d) must be true for the attack to succeed.",
  "id": "GHSA-344f-f5vg-2jfj",
  "modified": "2024-03-11T16:18:32Z",
  "published": "2020-05-21T18:52:29Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-9484"
    },
    {
      "type": "WEB",
      "url": "https://github.com/apache/tomcat/commit/3aa8f28db7efb311cdd1b6fe15a9cd3b167a2222.patch"
    },
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      "type": "WEB",
      "url": "https://github.com/apache/tomcat/commit/4785433a226a20df6acbea49296e1ce7e23de453"
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      "url": "https://github.com/apache/tomcat/commit/6d66e99ef85da93e4d2c2a536ca51aa3418bfaf4"
    },
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      "type": "WEB",
      "url": "https://github.com/apache/tomcat/commit/74b105657ffbd1d1de80455f03446c3bbf30d1f5"
    },
    {
      "type": "WEB",
      "url": "https://github.com/apache/tomcat/commit/93f0cc403a9210d469afc2bd9cf03ab3251c6f35"
    },
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      "type": "WEB",
      "url": "https://github.com/apache/tomcat/commit/bb33048e3f9b4f2b70e4da2e6c4e34ca89023b1b"
    },
    {
      "type": "WEB",
      "url": "https://tomcat.apache.org/security-9.html"
    },
    {
      "type": "WEB",
      "url": "https://tomcat.apache.org/security-8.html"
    },
    {
      "type": "WEB",
      "url": "https://tomcat.apache.org/security-7.html"
    },
    {
      "type": "WEB",
      "url": "https://tomcat.apache.org/security-10.html"
    },
    {
      "type": "WEB",
      "url": "https://security.netapp.com/advisory/ntap-20200528-0005"
    },
    {
      "type": "WEB",
      "url": "https://security.gentoo.org/glsa/202006-21"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WJ7XHKWJWDNWXUJH6UB7CLIW4TWOZ26N"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GIQHXENTLYUNOES4LXVNJ2NCUQQRF5VJ"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2020/07/msg00010.html"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2020/05/msg00026.html"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.suse.com/show_bug.cgi?id=1171928"
    },
    {
      "type": "WEB",
      "url": "https://usn.ubuntu.com/4448-1"
    },
    {
      "type": "WEB",
      "url": "https://usn.ubuntu.com/4596-1"
    },
    {
      "type": "WEB",
      "url": "https://www.debian.org/security/2020/dsa-4727"
    },
    {
      "type": "WEB",
      "url": "https://www.oracle.com//security-alerts/cpujul2021.html"
    },
    {
      "type": "WEB",
      "url": "https://www.oracle.com/security-alerts/cpuApr2021.html"
    },
    {
      "type": "WEB",
      "url": "https://www.oracle.com/security-alerts/cpujan2021.html"
    },
    {
      "type": "WEB",
      "url": "https://www.oracle.com/security-alerts/cpujan2022.html"
    },
    {
      "type": "WEB",
      "url": "https://www.oracle.com/security-alerts/cpujul2020.html"
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    {
      "type": "WEB",
      "url": "https://www.oracle.com/security-alerts/cpujul2022.html"
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    {
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      "url": "https://www.oracle.com/security-alerts/cpuoct2020.html"
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      "url": "https://www.oracle.com/security-alerts/cpuoct2021.html"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/apache/tomcat"
    },
    {
      "type": "WEB",
      "url": "https://kc.mcafee.com/corporate/index?page=content\u0026id=SB10332"
    },
    {
      "type": "WEB",
      "url": "https://lists.apache.org/thread.html/r11ce01e8a4c7269b88f88212f21830edf73558997ac7744f37769b77@%3Cusers.tomcat.apache.org%3E"
    },
    {
      "type": "WEB",
      "url": "https://lists.apache.org/thread.html/r123b3ebe389f46f9d337923f393cdae4d3e9b78d982d706712f0898c@%3Ccommits.tomee.apache.org%3E"
    },
    {
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    },
    {
      "type": "WEB",
      "url": "https://lists.apache.org/thread.html/rfe62fbf9d4c314f166fe8c668e50e5d9dd882a99447f26f0367474bf@%3Cusers.tomcat.apache.org%3E"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2020/05/msg00020.html"
    },
    {
      "type": "WEB",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00057.html"
    },
    {
      "type": "WEB",
      "url": "http://packetstormsecurity.com/files/157924/Apache-Tomcat-CVE-2020-9484-Proof-Of-Concept.html"
    },
    {
      "type": "WEB",
      "url": "http://seclists.org/fulldisclosure/2020/Jun/6"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2021/03/01/2"
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  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Potential remote code execution 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.
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