certfr_avis - CERTFR-2021-AVI-289

CERTFR-2021-AVI-289

Vulnerability from certfr_avis - Published: - Updated:

Une vulnérabilité a été découverte dans IBM WebSphere. Elle permet à un attaquant de provoquer un déni de service à distance et une atteinte à la confidentialité des données.

Solution

Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).

None

Impacted products

Vendor	Product	Description
IBM	WebSphere	WebSphere Application Server versions v8.5.x antérieures à 8.5.5.19 sans le correctif de sécurité PH34067 ou 8.5.5.20 (disponible au deuxième trimestre 2021)
IBM	WebSphere	WebSphere Application Server versions v8.0.x antérieures à 8.0.0.15 sans le correctif de sécurité PH34067
IBM	WebSphere	WebSphere Application Server versions v9.0.x antérieures à 9.0.5.7 sans le correctif de sécurité PH34067 ou 9.0.5.8 (disponible au deuxième trimestre 2021)

References

Title

Publication Time

Tags

Bulletin de sécurité IBM 6445171 du 19 avril 2021

None

vendor-advisory

Show details on source website

JSON

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{
  "$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
  "affected_systems": [
    {
      "description": "WebSphere Application Server versions v8.5.x ant\u00e9rieures \u00e0 8.5.5.19 sans le correctif de s\u00e9curit\u00e9 PH34067 ou 8.5.5.20 (disponible au deuxi\u00e8me trimestre 2021)",
      "product": {
        "name": "WebSphere",
        "vendor": {
          "name": "IBM",
          "scada": false
        }
      }
    },
    {
      "description": "WebSphere Application Server versions v8.0.x ant\u00e9rieures \u00e0 8.0.0.15 sans le correctif de s\u00e9curit\u00e9 PH34067",
      "product": {
        "name": "WebSphere",
        "vendor": {
          "name": "IBM",
          "scada": false
        }
      }
    },
    {
      "description": "WebSphere Application Server versions v9.0.x ant\u00e9rieures \u00e0 9.0.5.7 sans le correctif de s\u00e9curit\u00e9 PH34067 ou 9.0.5.8 (disponible au deuxi\u00e8me trimestre 2021)",
      "product": {
        "name": "WebSphere",
        "vendor": {
          "name": "IBM",
          "scada": false
        }
      }
    }
  ],
  "affected_systems_content": null,
  "content": "## Solution\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des\ncorrectifs (cf. section Documentation).\n",
  "cves": [
    {
      "name": "CVE-2021-20453",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-20453"
    }
  ],
  "links": [],
  "reference": "CERTFR-2021-AVI-289",
  "revisions": [
    {
      "description": "Version initiale",
      "revision_date": "2021-04-20T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "D\u00e9ni de service \u00e0 distance"
    },
    {
      "description": "Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"
    }
  ],
  "summary": "Une vuln\u00e9rabilit\u00e9 a \u00e9t\u00e9 d\u00e9couverte dans IBM WebSphere. Elle permet \u00e0 un\nattaquant de provoquer un d\u00e9ni de service \u00e0 distance et une atteinte \u00e0\nla confidentialit\u00e9 des donn\u00e9es.\n",
  "title": "Vuln\u00e9rabilit\u00e9 dans IBM WebSphere",
  "vendor_advisories": [
    {
      "published_at": null,
      "title": "Bulletin de s\u00e9curit\u00e9 IBM 6445171 du 19 avril 2021",
      "url": "https://www.ibm.com/support/pages/node/6445171"
    }
  ]
}

CVE-2021-20453 (GCVE-0-2021-20453)

Vulnerability from cvelistv5 – Published: 2021-04-20 11:35 – Updated: 2024-09-17 02:17

Summary

IBM WebSphere Application Server 8.0, 8.5, and 9.0 is vulnerable to a XML External Entity Injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to expose sensitive information or consume memory resources. IBM X-Force ID: 196648.

Severity ?

8.2 (High)


                        
                          CVSS:3.0/S:U/PR:N/UI:N/AC:L/I:N/C:H/A:L/AV:N/RC:C/RL:O/E:U

CWE

Obtain Information

Assigner

ibm

References

URL

Tags

	https://www.ibm.com/support/pages/node/6445171	x_refsource_CONFIRM
	https://exchange.xforce.ibmcloud.com/vulnerabilit…	vdb-entryx_refsource_XF

Impacted products

	Vendor	Product	Version
	IBM	WebSphere Application Server	Affected: 8.0 Affected: 8.5 Affected: 9.0

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T17:37:24.311Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://www.ibm.com/support/pages/node/6445171"
          },
          {
            "name": "ibm-was-cve202120453-xxe (196648)",
            "tags": [
              "vdb-entry",
              "x_refsource_XF",
              "x_transferred"
            ],
            "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/196648"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "WebSphere Application Server",
          "vendor": "IBM",
          "versions": [
            {
              "status": "affected",
              "version": "8.0"
            },
            {
              "status": "affected",
              "version": "8.5"
            },
            {
              "status": "affected",
              "version": "9.0"
            }
          ]
        }
      ],
      "datePublic": "2021-04-19T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "IBM WebSphere Application Server 8.0, 8.5, and 9.0 is vulnerable to a XML External Entity Injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to expose sensitive information or consume memory resources. IBM X-Force ID: 196648."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 8.2,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "exploitCodeMaturity": "UNPROVEN",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "remediationLevel": "OFFICIAL_FIX",
            "reportConfidence": "CONFIRMED",
            "scope": "UNCHANGED",
            "temporalScore": 7.1,
            "temporalSeverity": "HIGH",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/S:U/PR:N/UI:N/AC:L/I:N/C:H/A:L/AV:N/RC:C/RL:O/E:U",
            "version": "3.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Obtain Information",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-04-20T11:35:14",
        "orgId": "9a959283-ebb5-44b6-b705-dcc2bbced522",
        "shortName": "ibm"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://www.ibm.com/support/pages/node/6445171"
        },
        {
          "name": "ibm-was-cve202120453-xxe (196648)",
          "tags": [
            "vdb-entry",
            "x_refsource_XF"
          ],
          "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/196648"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "psirt@us.ibm.com",
          "DATE_PUBLIC": "2021-04-19T00:00:00",
          "ID": "CVE-2021-20453",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "WebSphere Application Server",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "8.0"
                          },
                          {
                            "version_value": "8.5"
                          },
                          {
                            "version_value": "9.0"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "IBM"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "IBM WebSphere Application Server 8.0, 8.5, and 9.0 is vulnerable to a XML External Entity Injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to expose sensitive information or consume memory resources. IBM X-Force ID: 196648."
            }
          ]
        },
        "impact": {
          "cvssv3": {
            "BM": {
              "A": "L",
              "AC": "L",
              "AV": "N",
              "C": "H",
              "I": "N",
              "PR": "N",
              "S": "U",
              "UI": "N"
            },
            "TM": {
              "E": "U",
              "RC": "C",
              "RL": "O"
            }
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "Obtain Information"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.ibm.com/support/pages/node/6445171",
              "refsource": "CONFIRM",
              "title": "IBM Security Bulletin 6445171 (WebSphere Application Server)",
              "url": "https://www.ibm.com/support/pages/node/6445171"
            },
            {
              "name": "ibm-was-cve202120453-xxe (196648)",
              "refsource": "XF",
              "title": "X-Force Vulnerability Report",
              "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/196648"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "9a959283-ebb5-44b6-b705-dcc2bbced522",
    "assignerShortName": "ibm",
    "cveId": "CVE-2021-20453",
    "datePublished": "2021-04-20T11:35:14.771935Z",
    "dateReserved": "2020-12-17T00:00:00",
    "dateUpdated": "2024-09-17T02:17:09.676Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

Nomenclature

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.

Action not permitted

CERTFR-2021-AVI-289

Solution

CVE-2021-20453 (GCVE-0-2021-20453)

Tags

Sightings

Nomenclature