Vulnerability-Lookup

CNVD-2022-88280

Vulnerability from cnvd - Published: 2022-12-16

Title

PBC拒绝服务漏洞

Description

PBC是中国cloudwu个人开发者的一个用于C的谷歌协议缓冲区库。 PBC 2022-8-27及其之前版本存在拒绝服务漏洞，该漏洞源于在src/wmessage.c:137的PBC_wmessage_integer函数中存在分段错误。攻击者可利用漏洞发起拒绝服务攻击。

Severity

高

Formal description

厂商尚未提供漏洞修复方案，请关注厂商主页更新： http://www.pbc.gov.cn/

Reference

https://github.com/cloudwu/pbc/issues/158

Impacted products

Name
PBC PBC <=2022-8-27

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2022-38936",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2022-38936"
    }
  },
  "description": "PBC\u662f\u4e2d\u56fdcloudwu\u4e2a\u4eba\u5f00\u53d1\u8005\u7684\u4e00\u4e2a\u7528\u4e8eC\u7684\u8c37\u6b4c\u534f\u8bae\u7f13\u51b2\u533a\u5e93\u3002\n\nPBC 2022-8-27\u53ca\u5176\u4e4b\u524d\u7248\u672c\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5728src/wmessage.c:137\u7684PBC_wmessage_integer\u51fd\u6570\u4e2d\u5b58\u5728\u5206\u6bb5\u9519\u8bef\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u6f0f\u6d1e\u53d1\u8d77\u62d2\u7edd\u670d\u52a1\u653b\u51fb\u3002",
  "formalWay": "\u5382\u5546\u5c1a\u672a\u63d0\u4f9b\u6f0f\u6d1e\u4fee\u590d\u65b9\u6848\uff0c\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u66f4\u65b0\uff1a\r\nhttp://www.pbc.gov.cn/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2022-88280",
  "openTime": "2022-12-16",
  "products": {
    "product": "PBC PBC \u003c=2022-8-27"
  },
  "referenceLink": "https://github.com/cloudwu/pbc/issues/158",
  "serverity": "\u9ad8",
  "submitTime": "2022-09-28",
  "title": "PBC\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}

CVE-2022-38936 (GCVE-0-2022-38936)

Vulnerability from cvelistv5 – Published: 2022-09-23 10:49 – Updated: 2025-05-27 14:45

Summary

An issue has been found in PBC through 2022-8-27. A SEGV issue detected in the function pbc_wmessage_integer in src/wmessage.c:137.

Severity

7.5 (High)


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

SSVC

Exploitation: poc Automatable: yes Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

n/a
CWE-252 - Unchecked Return Value

Assigner

mitre

References

1 reference

URL	Tags
https://github.com/cloudwu/pbc/issues/158	x_refsource_MISC

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T11:10:31.558Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/cloudwu/pbc/issues/158"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 7.5,
              "baseSeverity": "HIGH",
              "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:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2022-38936",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-05-27T14:44:49.576529Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-252",
                "description": "CWE-252 Unchecked Return Value",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-05-27T14:45:11.629Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "An issue has been found in PBC through 2022-8-27. A SEGV issue detected in the function pbc_wmessage_integer in src/wmessage.c:137."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-09-23T10:49:03.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/cloudwu/pbc/issues/158"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2022-38936",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "An issue has been found in PBC through 2022-8-27. A SEGV issue detected in the function pbc_wmessage_integer in src/wmessage.c:137."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://github.com/cloudwu/pbc/issues/158",
              "refsource": "MISC",
              "url": "https://github.com/cloudwu/pbc/issues/158"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2022-38936",
    "datePublished": "2022-09-23T10:49:03.000Z",
    "dateReserved": "2022-08-29T00:00:00.000Z",
    "dateUpdated": "2025-05-27T14:45:11.629Z",
    "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.

Detection rules are retrieved from Rulezet.

Action not permitted

CNVD-2022-88280

CVE-2022-38936 (GCVE-0-2022-38936)

Tags

Sightings

Nomenclature