cnvd - cnvd-2020-44616

cnvd-2020-44616

Vulnerability from cnvd

Title: Android资源管理错误漏洞（CNVD-2020-44616）

Description:

Android是美国谷歌（Google）和开放手持设备联盟（简称OHA）的一套以Linux为基础的开源操作系统。

Android中的char_dev.c文件的cdev_get存在资源管理错误漏洞。攻击者可利用该漏洞提升权限。

Severity: 低

Patch Name: Android资源管理错误漏洞（CNVD-2020-44616）的补丁

Patch Description:

Android是美国谷歌（Google）和开放手持设备联盟（简称OHA）的一套以Linux为基础的开源操作系统。

Android中的char_dev.c文件的cdev_get存在资源管理错误漏洞。攻击者可利用该漏洞提升权限。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://source.android.com/security/bulletin/pixel/2020-06-01

Reference: https://nvd.nist.gov/vuln/detail/CVE-2020-0305

Impacted products

Name
Google Android

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-0305",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-0305"
    }
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  "description": "Android\u662f\u7f8e\u56fd\u8c37\u6b4c\uff08Google\uff09\u548c\u5f00\u653e\u624b\u6301\u8bbe\u5907\u8054\u76df\uff08\u7b80\u79f0OHA\uff09\u7684\u4e00\u5957\u4ee5Linux\u4e3a\u57fa\u7840\u7684\u5f00\u6e90\u64cd\u4f5c\u7cfb\u7edf\u3002\n\nAndroid\u4e2d\u7684char_dev.c\u6587\u4ef6\u7684cdev_get\u5b58\u5728\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u63d0\u5347\u6743\u9650\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://source.android.com/security/bulletin/pixel/2020-06-01",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-44616",
  "openTime": "2020-07-30",
  "patchDescription": "Android\u662f\u7f8e\u56fd\u8c37\u6b4c\uff08Google\uff09\u548c\u5f00\u653e\u624b\u6301\u8bbe\u5907\u8054\u76df\uff08\u7b80\u79f0OHA\uff09\u7684\u4e00\u5957\u4ee5Linux\u4e3a\u57fa\u7840\u7684\u5f00\u6e90\u64cd\u4f5c\u7cfb\u7edf\u3002\r\n\r\nAndroid\u4e2d\u7684char_dev.c\u6587\u4ef6\u7684cdev_get\u5b58\u5728\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u63d0\u5347\u6743\u9650\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": "Android\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e\uff08CNVD-2020-44616\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Google Android"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-0305",
  "serverity": "\u4f4e",
  "submitTime": "2020-07-29",
  "title": "Android\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e\uff08CNVD-2020-44616\uff09"
}

CVE-2020-0305 (GCVE-0-2020-0305)

Vulnerability from cvelistv5

Published

2020-07-17 19:59

Modified

2024-08-04 05:55

Severity ?

CWE

Elevation of privilege

Summary

In cdev_get of char_dev.c, there is a possible use-after-free due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10Android ID: A-153467744

References

▼	URL	Tags
	https://source.android.com/security/bulletin/pixel/2020-06-01	x_refsource_CONFIRM
	http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.html	vendor-advisory, x_refsource_SUSE
	http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00047.html	vendor-advisory, x_refsource_SUSE

Impacted products

	Vendor	Product	Version
	n/a	Android	Version: Android-10

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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