CVE-2019-8921
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I. Basic Information for CVE-2019-8921
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
An issue was discovered in bluetoothd in BlueZ through 5.48. The vulnerability lies in the handling of a SVC_ATTR_REQ by the SDP implementation. By crafting a malicious CSTATE, it is possible to trick the server into returning more bytes than the buffer actually holds, resulting in leaking arbitrary heap data. The root cause can be found in the function service_attr_req of sdpd-request.c. The server does not check whether the CSTATE data is the same in consecutive requests, and instead simply trusts that it is the same.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
BlueZ 数据伪造问题漏洞
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。 Bluetoothd in BlueZ 5.48及之前版本存在安全漏洞，攻击者可以通过制作恶意CSTATE，诱使服务器返回比缓冲区实际保存的字节更多的字节，从而导致任意堆数据泄漏。
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-2019-8921
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · n/a · 2021-11-29 · 18 CVEs total
| CVE-2021-44427 | 9.8 CRITICAL | Rosario Student Information System SQL注入漏洞 |
| CVE-2021-43696 | twmap 跨站脚本漏洞 | |
| CVE-2021-3802 | udisks 输入验证错误漏洞 | |
| CVE-2019-8922 | BlueZ 缓冲区错误漏洞 | |
| CVE-2021-32061 | S3Scanner 路径遍历漏洞 | |
| CVE-2021-44077 | ZOHO ManageEngine ServiceDesk Plus 访问控制错误漏洞 | |
| CVE-2021-38147 | Wipro Holmes Orchestrator 访问控制错误漏洞 | |
| CVE-2021-38283 | Wipro Holmes Orchestrator 访问控制错误漏洞 | |
| 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 vendor: n/a
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bettercap zerogod IPP Service zerogod_ipp_primitives.go ippR - CVE-2026-8270
Open5GS SMF ogs_nas_parse_qos_rules denial of service - CVE-2026-8269
Open5GS SMF smf_nsmf_handle_create_sm_context denial of serv - CVE-2026-8268
Open5GS SMF OpenAPI_list_create denial of service
V. Comments for CVE-2019-8921
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