Vulnerability-Lookup

CNVD-2021-101203

Vulnerability from cnvd - Published: 2021-12-21

Title

LedgerSMB跨站脚本漏洞（CNVD-2021-101203）

Description

LedgerSMB是一个免费的基于网络的复式记账系统，具有报价、订购、发票、项目、考勤卡、库存管理、运输等功能。 LedgerSMB存在跨站脚本漏洞，该漏洞源于应用未检查合并到浏览器DOM中的HTML片段的来源，攻击者可通过向经过身份验证的用户发送特制的 URL，利用该漏洞进行远程代码执行和信息泄露。

Severity

中

Patch Name

LedgerSMB跨站脚本漏洞（CNVD-2021-101203）的补丁

Patch Description

LedgerSMB是一个免费的基于网络的复式记账系统，具有报价、订购、发票、项目、考勤卡、库存管理、运输等功能。 LedgerSMB存在跨站脚本漏洞，该漏洞源于应用未检查合并到浏览器DOM中的HTML片段的来源，攻击者可通过向经过身份验证的用户发送特制的 URL，利用该漏洞进行远程代码执行和信息泄露。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

厂商已发布了漏洞修复程序，请及时关注更新： https://github.com/ledgersmb/LedgerSMB

Reference

https://ledgersmb.org/cve-2021-3693-cross-site-scripting

Impacted products

Name
LedgerSMB LedgerSMB

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-3693"
    }
  },
  "description": "LedgerSMB\u662f\u4e00\u4e2a\u514d\u8d39\u7684\u57fa\u4e8e\u7f51\u7edc\u7684\u590d\u5f0f\u8bb0\u8d26\u7cfb\u7edf\uff0c\u5177\u6709\u62a5\u4ef7\u3001\u8ba2\u8d2d\u3001\u53d1\u7968\u3001\u9879\u76ee\u3001\u8003\u52e4\u5361\u3001\u5e93\u5b58\u7ba1\u7406\u3001\u8fd0\u8f93\u7b49\u529f\u80fd\u3002\n\nLedgerSMB\u5b58\u5728\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5e94\u7528\u672a\u68c0\u67e5\u5408\u5e76\u5230\u6d4f\u89c8\u5668DOM\u4e2d\u7684HTML\u7247\u6bb5\u7684\u6765\u6e90\uff0c\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u5411\u7ecf\u8fc7\u8eab\u4efd\u9a8c\u8bc1\u7684\u7528\u6237\u53d1\u9001\u7279\u5236\u7684 URL\uff0c\u5229\u7528\u8be5\u6f0f\u6d1e\u8fdb\u884c\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\u548c\u4fe1\u606f\u6cc4\u9732\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://github.com/ledgersmb/LedgerSMB",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-101203",
  "openTime": "2021-12-21",
  "patchDescription": "LedgerSMB\u662f\u4e00\u4e2a\u514d\u8d39\u7684\u57fa\u4e8e\u7f51\u7edc\u7684\u590d\u5f0f\u8bb0\u8d26\u7cfb\u7edf\uff0c\u5177\u6709\u62a5\u4ef7\u3001\u8ba2\u8d2d\u3001\u53d1\u7968\u3001\u9879\u76ee\u3001\u8003\u52e4\u5361\u3001\u5e93\u5b58\u7ba1\u7406\u3001\u8fd0\u8f93\u7b49\u529f\u80fd\u3002\r\n\r\nLedgerSMB\u5b58\u5728\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5e94\u7528\u672a\u68c0\u67e5\u5408\u5e76\u5230\u6d4f\u89c8\u5668DOM\u4e2d\u7684HTML\u7247\u6bb5\u7684\u6765\u6e90\uff0c\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u5411\u7ecf\u8fc7\u8eab\u4efd\u9a8c\u8bc1\u7684\u7528\u6237\u53d1\u9001\u7279\u5236\u7684 URL\uff0c\u5229\u7528\u8be5\u6f0f\u6d1e\u8fdb\u884c\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\u548c\u4fe1\u606f\u6cc4\u9732\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": "LedgerSMB\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e\uff08CNVD-2021-101203\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "LedgerSMB LedgerSMB"
  },
  "referenceLink": "https://ledgersmb.org/cve-2021-3693-cross-site-scripting",
  "serverity": "\u4e2d",
  "submitTime": "2021-08-25",
  "title": "LedgerSMB\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e\uff08CNVD-2021-101203\uff09"
}

CVE-2021-3693 (GCVE-0-2021-3693)

Vulnerability from cvelistv5 – Published: 2021-08-23 12:41 – Updated: 2024-08-03 17:01

Title

Cross-site Scripting (XSS) - DOM in ledgersmb/ledgersmb

Summary

LedgerSMB does not check the origin of HTML fragments merged into the browser's DOM. By sending a specially crafted URL to an authenticated user, this flaw can be abused for remote code execution and information disclosure.

Severity

8.8 (High)


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

CWE

CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Assigner

@huntrdev CNA

CNA scorecard – unranked: 0 records in the last 180 days, 10 needed details

References

3 references

URL	Tags
https://huntr.dev/bounties/daf1384d-648a-43fd-9b3…	x_refsource_CONFIRM
https://ledgersmb.org/cve-2021-3693-cross-site-sc…	x_refsource_MISC
https://www.debian.org/security/2021/dsa-4962	vendor-advisoryx_refsource_DEBIAN

Impacted products

1 product

Vendor	Product	Version
ledgersmb	ledgersmb/ledgersmb	Unaffected: 1.7.33 Affected: unspecified , < 1.8.18 (custom)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T17:01:07.977Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://huntr.dev/bounties/daf1384d-648a-43fd-9b35-5c37d8ead667"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://ledgersmb.org/cve-2021-3693-cross-site-scripting"
          },
          {
            "name": "DSA-4962",
            "tags": [
              "vendor-advisory",
              "x_refsource_DEBIAN",
              "x_transferred"
            ],
            "url": "https://www.debian.org/security/2021/dsa-4962"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "ledgersmb/ledgersmb",
          "vendor": "ledgersmb",
          "versions": [
            {
              "status": "unaffected",
              "version": "1.7.33"
            },
            {
              "lessThan": "1.8.18",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "LedgerSMB does not check the origin of HTML fragments merged into the browser\u0027s DOM. By sending a specially crafted URL to an authenticated user, this flaw can be abused for remote code execution and information disclosure."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
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            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-79",
              "description": "CWE-79 Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-08-24T10:06:09.000Z",
        "orgId": "c09c270a-b464-47c1-9133-acb35b22c19a",
        "shortName": "@huntrdev"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://huntr.dev/bounties/daf1384d-648a-43fd-9b35-5c37d8ead667"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://ledgersmb.org/cve-2021-3693-cross-site-scripting"
        },
        {
          "name": "DSA-4962",
          "tags": [
            "vendor-advisory",
            "x_refsource_DEBIAN"
          ],
          "url": "https://www.debian.org/security/2021/dsa-4962"
        }
      ],
      "source": {
        "advisory": "daf1384d-648a-43fd-9b35-5c37d8ead667",
        "discovery": "EXTERNAL"
      },
      "title": "Cross-site Scripting (XSS) - DOM in ledgersmb/ledgersmb",
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security@huntr.dev",
          "ID": "CVE-2021-3693",
          "STATE": "PUBLIC",
          "TITLE": "Cross-site Scripting (XSS) - DOM in ledgersmb/ledgersmb"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "ledgersmb/ledgersmb",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "!",
                            "version_value": "1.7.33"
                          },
                          {
                            "version_affected": "\u003c",
                            "version_value": "1.8.18"
                          }
                        ]
                      }
                    }
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                },
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        "impact": {
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              "name": "https://huntr.dev/bounties/daf1384d-648a-43fd-9b35-5c37d8ead667",
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            },
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              "refsource": "MISC",
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            },
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    "assignerShortName": "@huntrdev",
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    "dateReserved": "2021-08-09T00:00:00.000Z",
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    "state": "PUBLISHED"
  },
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  "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.

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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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