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CVE-2019-8922

Quick assessment

Affected
n/a n/a
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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。 BlueZ 5.48及之前版本中的Bluetoothd存在缓冲区错误漏洞，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，就会导致简单的堆溢出。

AI Predicted 7.8 Difficulty: Moderate EPSS 1.52% · P74

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2019-8922

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A heap-based buffer overflow was discovered in bluetoothd in BlueZ through 5.48. There isn't any check on whether there is enough space in the destination buffer. The function simply appends all data passed to it. The values of all attributes that are requested are appended to the output buffer. There are no size checks whatsoever, resulting in a simple heap overflow if one can craft a request where the response is large enough to overflow the preallocated buffer. This issue exists in service_attr_req gets called by process_request (in sdpd-request.c), which also allocates the response buffer.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
BlueZ 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability 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。 BlueZ 5.48及之前版本中的Bluetoothd存在缓冲区错误漏洞，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，就会导致简单的堆溢出。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
- n/a n/a -

II. Public POCs for CVE-2019-8922

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III. Intelligence Information for CVE-2019-8922

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Vendor Advisories for CVE-2019-8922 (1)

Mailing List Discussions for CVE-2019-8922 (1)

Other References for CVE-2019-8922 (1)

Same Patch Batch · n/a · 2021-11-29 · 18 CVEs total

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CVE-2021-43698 PhpWhois 跨站脚本漏洞
CVE-2021-43697 Workerman-ThinkPHP-Redis 跨站脚本漏洞
CVE-2021-44428 Pinkie 安全漏洞
CVE-2021-43695 IssabelPbx 跨站脚本漏洞
CVE-2021-43693 Made vesta 安全漏洞
CVE-2021-43692 Youtube-Php-Mirroring 跨站脚本漏洞
CVE-2021-43691 Tripexpress 路径遍历漏洞
CVE-2021-39995 Huawei eCNS280_TD 缓冲区错误漏洞
CVE-2021-44429 Serva 安全漏洞

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

V. Comments for CVE-2019-8922

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