Vulnerability-Lookup

CNVD-2021-70114

Vulnerability from cnvd - Published: 2021-09-10

Title

OTRS存在未明漏洞

Description

OTRS是德国（OTRS）公司的一个应用软件，一个服务管理软件。 OTRS存在安全漏洞，该漏洞源于创建的电子邮件可能会被PostMaster过滤器处理时卡住，导致拒绝服务。目前没有详细的漏洞细节提供。

Severity

中

Patch Name

OTRS存在未明漏洞的补丁

Patch Description

OTRS是德国（OTRS）公司的一个应用软件，一个服务管理软件。 OTRS存在安全漏洞，该漏洞源于创建的电子邮件可能会被PostMaster过滤器处理时卡住，导致拒绝服务。目前没有详细的漏洞细节提供。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://otrs.com/release-notes/otrs-security-advisory-2021-16/

Reference

https://vigilance.fr/vulnerability/OTRS-Help-Desk-denial-of-service-via-PostMaster-Filters-36318

Impacted products

Name
OTRS Otrs

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-36093"
    }
  },
  "description": "OTRS\u662f\u5fb7\u56fd \uff08OTRS\uff09\u516c\u53f8\u7684\u4e00\u4e2a\u5e94\u7528\u8f6f\u4ef6\uff0c\u4e00\u4e2a\u670d\u52a1\u7ba1\u7406\u8f6f\u4ef6\u3002\n\nOTRS\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u521b\u5efa\u7684\u7535\u5b50\u90ae\u4ef6\u53ef\u80fd\u4f1a\u88abPostMaster\u8fc7\u6ee4\u5668\u5904\u7406\u65f6\u5361\u4f4f\uff0c\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://otrs.com/release-notes/otrs-security-advisory-2021-16/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-70114",
  "openTime": "2021-09-10",
  "patchDescription": "OTRS\u662f\u5fb7\u56fd \uff08OTRS\uff09\u516c\u53f8\u7684\u4e00\u4e2a\u5e94\u7528\u8f6f\u4ef6\uff0c\u4e00\u4e2a\u670d\u52a1\u7ba1\u7406\u8f6f\u4ef6\u3002\r\n\r\nOTRS\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u521b\u5efa\u7684\u7535\u5b50\u90ae\u4ef6\u53ef\u80fd\u4f1a\u88abPostMaster\u8fc7\u6ee4\u5668\u5904\u7406\u65f6\u5361\u4f4f\uff0c\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "OTRS\u5b58\u5728\u672a\u660e\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "OTRS Otrs"
  },
  "referenceLink": "https://vigilance.fr/vulnerability/OTRS-Help-Desk-denial-of-service-via-PostMaster-Filters-36318",
  "serverity": "\u4e2d",
  "submitTime": "2021-09-08",
  "title": "OTRS\u5b58\u5728\u672a\u660e\u6f0f\u6d1e"
}

CVE-2021-36093 (GCVE-0-2021-36093)

Vulnerability from cvelistv5 – Published: 2021-09-06 13:15 – Updated: 2024-09-16 20:36

Title

DoS attack using PostMaster filters

Summary

It's possible to create an email which can be stuck while being processed by PostMaster filters, causing DoS. This issue affects: OTRS AG ((OTRS)) Community Edition 6.0.x version 6.0.1 and later versions. OTRS AG OTRS 7.0.x version 7.0.28 and prior versions; 8.0.x version 8.0.15 and prior versions.

Severity

5.3 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CWE

CWE-185 - Incorrect Regular Expression

Assigner

OTRS mitre root Scorecard

References

1 reference

URL	Tags
https://otrs.com/release-notes/otrs-security-advi…	x_refsource_CONFIRM

Impacted products

2 products

Vendor	Product	Version
OTRS AG	((OTRS)) Community Edition	Affected: 6.0.1 , < 6.0.x* (custom)
OTRS AG	OTRS	Affected: 7.0.x , ≤ 7.0.28 (custom) Affected: 8.0.x , ≤ 8.0.15 (custom)

Date Public

2021-09-06 00:00

Credits

Alberto Molina

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T00:47:43.937Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://otrs.com/release-notes/otrs-security-advisory-2021-16/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "((OTRS)) Community Edition",
          "vendor": "OTRS AG",
          "versions": [
            {
              "lessThan": "6.0.x*",
              "status": "affected",
              "version": "6.0.1",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "OTRS",
          "vendor": "OTRS AG",
          "versions": [
            {
              "lessThanOrEqual": "7.0.28",
              "status": "affected",
              "version": "7.0.x",
              "versionType": "custom"
            },
            {
              "lessThanOrEqual": "8.0.15",
              "status": "affected",
              "version": "8.0.x",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Alberto Molina"
        }
      ],
      "datePublic": "2021-09-06T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "It\u0027s possible to create an email which can be stuck while being processed by PostMaster filters, causing DoS. This issue affects: OTRS AG ((OTRS)) Community Edition 6.0.x version 6.0.1 and later versions. OTRS AG OTRS 7.0.x version 7.0.28 and prior versions; 8.0.x version 8.0.15 and prior versions."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-185",
              "description": "CWE-185 Incorrect Regular Expression",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-09-06T13:15:23.000Z",
        "orgId": "2e1bf29f-dc29-4ed8-830c-7b9348b6f0e8",
        "shortName": "OTRS"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://otrs.com/release-notes/otrs-security-advisory-2021-16/"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "Update to OTRS 8.0.16, OTRS 7.0.29."
        }
      ],
      "source": {
        "advisory": "OSA-2021-16",
        "defect": [
          "2021070842000819"
        ],
        "discovery": "USER"
      },
      "title": "DoS attack using PostMaster filters",
      "x_generator": {
        "engine": "Vulnogram 0.0.9"
      },
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security@otrs.com",
          "DATE_PUBLIC": "2021-09-06T00:00:00.000Z",
          "ID": "CVE-2021-36093",
          "STATE": "PUBLIC",
          "TITLE": "DoS attack using PostMaster filters"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "((OTRS)) Community Edition",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003e=",
                            "version_name": "6.0.x",
                            "version_value": "6.0.1"
                          }
                        ]
                      }
                    },
                    {
                      "product_name": "OTRS",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c=",
                            "version_name": "7.0.x",
                            "version_value": "7.0.28"
                          },
                          {
                            "version_affected": "\u003c=",
                            "version_name": "8.0.x",
                            "version_value": "8.0.15"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "OTRS AG"
              }
            ]
          }
        },
        "credit": [
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            "lang": "eng",
            "value": "Alberto Molina"
          }
        ],
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "It\u0027s possible to create an email which can be stuck while being processed by PostMaster filters, causing DoS. This issue affects: OTRS AG ((OTRS)) Community Edition 6.0.x version 6.0.1 and later versions. OTRS AG OTRS 7.0.x version 7.0.28 and prior versions; 8.0.x version 8.0.15 and prior versions."
            }
          ]
        },
        "generator": {
          "engine": "Vulnogram 0.0.9"
        },
        "impact": {
          "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
            "version": "3.1"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-185 Incorrect Regular Expression"
                }
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            }
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        },
        "references": {
          "reference_data": [
            {
              "name": "https://otrs.com/release-notes/otrs-security-advisory-2021-16/",
              "refsource": "CONFIRM",
              "url": "https://otrs.com/release-notes/otrs-security-advisory-2021-16/"
            }
          ]
        },
        "solution": [
          {
            "lang": "en",
            "value": "Update to OTRS 8.0.16, OTRS 7.0.29."
          }
        ],
        "source": {
          "advisory": "OSA-2021-16",
          "defect": [
            "2021070842000819"
          ],
          "discovery": "USER"
        }
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  "cveMetadata": {
    "assignerOrgId": "2e1bf29f-dc29-4ed8-830c-7b9348b6f0e8",
    "assignerShortName": "OTRS",
    "cveId": "CVE-2021-36093",
    "datePublished": "2021-09-06T13:15:24.049Z",
    "dateReserved": "2021-07-01T00:00:00.000Z",
    "dateUpdated": "2024-09-16T20:36:38.524Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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CNVD-2021-70114

CVE-2021-36093 (GCVE-0-2021-36093)

Tags

Sightings

Nomenclature

Related by attack behaviour