Vulnerability-Lookup

CNVD-2023-31161

Vulnerability from cnvd - Published: 2023-04-26

Title

answer用户枚举漏洞

Description

answer是一个开源的基于知识的社区软件。 answer 1.0.6之前版本存在用户枚举漏洞，该漏洞源于在登录门户中暴力破解有效的电子邮件帐户时，有效帐户的时间明显高于无效用户帐户的时间。攻击者可利用该漏洞导致账户枚举。

Severity

中

Patch Name

answer用户枚举漏洞的补丁

Patch Description

answer是一个开源的基于知识的社区软件。 answer 1.0.6之前版本存在用户枚举漏洞，该漏洞源于在登录门户中暴力破解有效的电子邮件帐户时，有效帐户的时间明显高于无效用户帐户的时间。攻击者可利用该漏洞导致账户枚举。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/answerdev/answer/releases/tag/v1.0.7

Reference

https://github.com/answerdev/answer/commit/813ad0b9894673b1bdd489a2e9ab60a44fe990af

Impacted products

Name
answer answer <1.0.6

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2023-1538",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2023-1538"
    }
  },
  "description": "answer\u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u57fa\u4e8e\u77e5\u8bc6\u7684\u793e\u533a\u8f6f\u4ef6\u3002\n\nanswer 1.0.6\u4e4b\u524d\u7248\u672c\u5b58\u5728\u7528\u6237\u679a\u4e3e\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5728\u767b\u5f55\u95e8\u6237\u4e2d\u66b4\u529b\u7834\u89e3\u6709\u6548\u7684\u7535\u5b50\u90ae\u4ef6\u5e10\u6237\u65f6\uff0c\u6709\u6548\u5e10\u6237\u7684\u65f6\u95f4\u660e\u663e\u9ad8\u4e8e\u65e0\u6548\u7528\u6237\u5e10\u6237\u7684\u65f6\u95f4\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u8d26\u6237\u679a\u4e3e\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/answerdev/answer/releases/tag/v1.0.7",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2023-31161",
  "openTime": "2023-04-26",
  "patchDescription": "answer\u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u57fa\u4e8e\u77e5\u8bc6\u7684\u793e\u533a\u8f6f\u4ef6\u3002\r\n\r\nanswer 1.0.6\u4e4b\u524d\u7248\u672c\u5b58\u5728\u7528\u6237\u679a\u4e3e\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5728\u767b\u5f55\u95e8\u6237\u4e2d\u66b4\u529b\u7834\u89e3\u6709\u6548\u7684\u7535\u5b50\u90ae\u4ef6\u5e10\u6237\u65f6\uff0c\u6709\u6548\u5e10\u6237\u7684\u65f6\u95f4\u660e\u663e\u9ad8\u4e8e\u65e0\u6548\u7528\u6237\u5e10\u6237\u7684\u65f6\u95f4\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u8d26\u6237\u679a\u4e3e\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": "answer\u7528\u6237\u679a\u4e3e\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "answer answer \u003c1.0.6"
  },
  "referenceLink": "https://github.com/answerdev/answer/commit/813ad0b9894673b1bdd489a2e9ab60a44fe990af",
  "serverity": "\u4e2d",
  "submitTime": "2023-03-23",
  "title": "answer\u7528\u6237\u679a\u4e3e\u6f0f\u6d1e"
}

CVE-2023-1538 (GCVE-0-2023-1538)

Vulnerability from cvelistv5 – Published: 2023-03-21 00:00 – Updated: 2025-02-27 16:55

Title

Observable Timing Discrepancy in answerdev/answer

Summary

Observable Timing Discrepancy in GitHub repository answerdev/answer prior to 1.0.6.

Severity

5.3 (Medium)


                        
                          CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-02-27 16:55 UTC

CWE

CWE-208 - Observable Timing Discrepancy

Assigner

@huntrdev CNA

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

References

2 references

URL	Tags
https://github.com/answerdev/answer/commit/813ad0…
https://huntr.dev/bounties/ac0271eb-660f-4966-8b5…

Impacted products

1 product

Vendor	Product	Version
answerdev	answerdev/answer	Affected: unspecified , < 1.0.6 (custom)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T05:49:11.665Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/answerdev/answer/commit/813ad0b9894673b1bdd489a2e9ab60a44fe990af"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://huntr.dev/bounties/ac0271eb-660f-4966-8b57-4bc660a9a1a0"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2023-1538",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-02-27T16:55:26.467208Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-02-27T16:55:54.306Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "answerdev/answer",
          "vendor": "answerdev",
          "versions": [
            {
              "lessThan": "1.0.6",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Observable Timing Discrepancy in GitHub repository answerdev/answer prior to 1.0.6."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-208",
              "description": "CWE-208 Observable Timing Discrepancy",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-03-21T00:00:00.000Z",
        "orgId": "c09c270a-b464-47c1-9133-acb35b22c19a",
        "shortName": "@huntrdev"
      },
      "references": [
        {
          "url": "https://github.com/answerdev/answer/commit/813ad0b9894673b1bdd489a2e9ab60a44fe990af"
        },
        {
          "url": "https://huntr.dev/bounties/ac0271eb-660f-4966-8b57-4bc660a9a1a0"
        }
      ],
      "source": {
        "advisory": "ac0271eb-660f-4966-8b57-4bc660a9a1a0",
        "discovery": "EXTERNAL"
      },
      "title": "Observable Timing Discrepancy in answerdev/answer"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "c09c270a-b464-47c1-9133-acb35b22c19a",
    "assignerShortName": "@huntrdev",
    "cveId": "CVE-2023-1538",
    "datePublished": "2023-03-21T00:00:00.000Z",
    "dateReserved": "2023-03-21T00:00:00.000Z",
    "dateUpdated": "2025-02-27T16:55:54.306Z",
    "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.

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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.
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