cnvd-2021-95605
Vulnerability from cnvd

Title: Bluez缓冲区溢出漏洞(CNVD-2021-95605)

Description:

BlueZ是一款使用C语言编写的蓝牙协议堆栈,它主要用于提供对核心蓝牙层和协议的支持。

Bluetoothd in BlueZ 5.48及之前版本存在安全漏洞,该漏洞源于程序在接收数据时没有任何大小检查,如果一个请求的响应大到足以溢出预分配的缓冲区,攻击者可利用该漏洞导致简单的堆溢出。

Severity:

Patch Name: Bluez缓冲区溢出漏洞(CNVD-2021-95605)的补丁

Patch Description:

BlueZ是一款使用C语言编写的蓝牙协议堆栈,它主要用于提供对核心蓝牙层和协议的支持。

Bluetoothd in BlueZ 5.48及之前版本存在安全漏洞,该漏洞源于程序在接收数据时没有任何大小检查,如果一个请求的响应大到足以溢出预分配的缓冲区,攻击者可利用该漏洞导致简单的堆溢出。 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://ssd-disclosure.com/ssd-advisory-linux-bluez-information-leak-and-heap-overflow/

Reference: https://www.auscert.org.au/bulletins/ESB-2021.4011

Impacted products
Name
Bluez Bluez <=5.48
Show details on source website


{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2019-8922"
    }
  },
  "description": "BlueZ\u662f\u4e00\u6b3e\u4f7f\u7528C\u8bed\u8a00\u7f16\u5199\u7684\u84dd\u7259\u534f\u8bae\u5806\u6808\uff0c\u5b83\u4e3b\u8981\u7528\u4e8e\u63d0\u4f9b\u5bf9\u6838\u5fc3\u84dd\u7259\u5c42\u548c\u534f\u8bae\u7684\u652f\u6301\u3002\n\nBluetoothd in BlueZ 5.48\u53ca\u4e4b\u524d\u7248\u672c\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u5728\u63a5\u6536\u6570\u636e\u65f6\u6ca1\u6709\u4efb\u4f55\u5927\u5c0f\u68c0\u67e5\uff0c\u5982\u679c\u4e00\u4e2a\u8bf7\u6c42\u7684\u54cd\u5e94\u5927\u5230\u8db3\u4ee5\u6ea2\u51fa\u9884\u5206\u914d\u7684\u7f13\u51b2\u533a\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u7b80\u5355\u7684\u5806\u6ea2\u51fa\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://ssd-disclosure.com/ssd-advisory-linux-bluez-information-leak-and-heap-overflow/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-95605",
  "openTime": "2021-12-10",
  "patchDescription": "BlueZ\u662f\u4e00\u6b3e\u4f7f\u7528C\u8bed\u8a00\u7f16\u5199\u7684\u84dd\u7259\u534f\u8bae\u5806\u6808\uff0c\u5b83\u4e3b\u8981\u7528\u4e8e\u63d0\u4f9b\u5bf9\u6838\u5fc3\u84dd\u7259\u5c42\u548c\u534f\u8bae\u7684\u652f\u6301\u3002\r\n\r\nBluetoothd in BlueZ 5.48\u53ca\u4e4b\u524d\u7248\u672c\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u5728\u63a5\u6536\u6570\u636e\u65f6\u6ca1\u6709\u4efb\u4f55\u5927\u5c0f\u68c0\u67e5\uff0c\u5982\u679c\u4e00\u4e2a\u8bf7\u6c42\u7684\u54cd\u5e94\u5927\u5230\u8db3\u4ee5\u6ea2\u51fa\u9884\u5206\u914d\u7684\u7f13\u51b2\u533a\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u7b80\u5355\u7684\u5806\u6ea2\u51fa\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": "Bluez\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2021-95605\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Bluez Bluez \u003c=5.48"
  },
  "referenceLink": "https://www.auscert.org.au/bulletins/ESB-2021.4011",
  "serverity": "\u4e2d",
  "submitTime": "2021-12-01",
  "title": "Bluez\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2021-95605\uff09"
}


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