Vulnerability-Lookup

CNVD-2022-01770

Vulnerability from cnvd - Published: 2022-01-08

Title

Google Android Kernel信息泄露漏洞（CNVD-2022-01770）

Description

Google Android是美国谷歌（Google）公司的的一套以Linux为基础的开源操作系统。 Google Android Kernel存在信息泄露漏洞。该漏洞源于ip_tables.c的do_ipt_get_ctl和do_ipt_set_ctl中存在由于数据未初始化导致的内核信息泄露。攻击者可利用该漏洞导致信息泄露。

Severity

低

Patch Name

Google Android Kernel信息泄露漏洞（CNVD-2022-01770）的补丁

Patch Description

Formal description

目前厂商已经发布了升级补丁以修复这个安全问题，请到厂商的主页下载： https://source.android.com/security/bulletin/pixel/2021-12-01

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-39636

Impacted products

Name
Google Android 11

Show details on source website

JSON

To clipboard

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  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-39636",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-39636"
    }
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  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2022-01770",
  "openTime": "2022-01-08",
  "patchDescription": "Google Android\u662f\u7f8e\u56fd\u8c37\u6b4c\uff08Google\uff09\u516c\u53f8\u7684\u7684\u4e00\u5957\u4ee5Linux\u4e3a\u57fa\u7840\u7684\u5f00\u6e90\u64cd\u4f5c\u7cfb\u7edf\u3002\r\n\r\nGoogle Android Kernel\u5b58\u5728\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8eip_tables.c\u7684do_ipt_get_ctl\u548cdo_ipt_set_ctl\u4e2d\u5b58\u5728\u7531\u4e8e\u6570\u636e\u672a\u521d\u59cb\u5316\u5bfc\u81f4\u7684\u5185\u6838\u4fe1\u606f\u6cc4\u9732\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\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",
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  "products": {
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  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-39636",
  "serverity": "\u4f4e",
  "submitTime": "2022-01-05",
  "title": "Google Android Kernel\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\uff08CNVD-2022-01770\uff09"
}

CVE-2021-39636 (GCVE-0-2021-39636)

Vulnerability from cvelistv5 – Published: 2021-12-15 18:05 – Updated: 2024-08-04 02:13

Summary

In do_ipt_get_ctl and do_ipt_set_ctl of ip_tables.c, there is a possible way to leak kernel information due to uninitialized data. This could lead to local information disclosure with system execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-120612905References: Upstream kernel

Severity

No CVSS data available.

CWE

Information disclosure

Assigner

google_android Google root

References

1 reference

URL	Tags
https://source.android.com/security/bulletin/pixe…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
n/a	Android	Affected: Android kernel

Show details on NVD website

JSON

To clipboard

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        "providerMetadata": {
          "dateUpdated": "2024-08-04T02:13:37.313Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://source.android.com/security/bulletin/pixel/2021-12-01"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
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          "product": "Android",
          "vendor": "n/a",
          "versions": [
            {
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              "version": "Android kernel"
            }
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        }
      ],
      "descriptions": [
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        }
      ],
      "problemTypes": [
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          "descriptions": [
            {
              "description": "Information disclosure",
              "lang": "en",
              "type": "text"
            }
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      ],
      "providerMetadata": {
        "dateUpdated": "2021-12-15T18:05:53.000Z",
        "orgId": "baff130e-b8d5-4e15-b3d3-c3cf5d5545c6",
        "shortName": "google_android"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://source.android.com/security/bulletin/pixel/2021-12-01"
        }
      ],
      "x_legacyV4Record": {
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          "ASSIGNER": "security@android.com",
          "ID": "CVE-2021-39636",
          "STATE": "PUBLIC"
        },
        "affects": {
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                "product": {
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                      "product_name": "Android",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "Android kernel"
                          }
                        ]
                      }
                    }
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                },
                "vendor_name": "n/a"
              }
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        "description": {
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            }
          ]
        },
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                  "value": "Information disclosure"
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        },
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            }
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}

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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Action not permitted

CNVD-2022-01770

CVE-2021-39636 (GCVE-0-2021-39636)

Tags

Sightings

Nomenclature

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