CVE-2017-2921
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I. Basic Information for CVE-2017-2921
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
An exploitable memory corruption vulnerability exists in the Websocket protocol implementation of Cesanta Mongoose 6.8. A specially crafted websocket packet can cause an integer overflow, leading to a heap buffer overflow and resulting in denial of service and potential remote code execution. An attacker needs to send a specially crafted websocket packet over network to trigger this vulnerability.
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
Cesanta Mongoose 数字错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cesanta Mongoose是爱尔兰Cesanta公司的一套嵌入式服务器库，它包括TCP、HTTP客户端和服务器、WenSocket客户端和服务器等功能。Websocket protocol是其中的一个Websocket通信协议。 Cesanta Mongoose 6.8版本中的Websocket protocol实现存在整数溢出漏洞。远程攻击者可通过发送特制的websocket数据包利用该漏洞造成拒绝服务或执行代码。
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
II. Public POCs for CVE-2017-2921
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Cesanta · 2017-11-07 · 8 CVEs total
| CVE-2017-2891 | Cesanta Mongoose 安全漏洞 | |
| CVE-2017-2892 | Cesanta Mongoose 数字错误漏洞 | |
| CVE-2017-2893 | Cesanta Mongoose 安全漏洞 | |
| CVE-2017-2894 | Cesanta Mongoose 缓冲区错误漏洞 | |
| CVE-2017-2895 | Cesanta Mongoose 数字错误漏洞 | |
| CVE-2017-2909 | Cesanta Mongoose 安全漏洞 | |
| CVE-2017-2922 | Cesanta Mongoose 安全漏洞 |
IV. Related Vulnerabilities
Same product: Mongoose
- CVE-2026-6986
Cesanta Mongoose GCM Authentication Tag tls_aes128.c mg_aes_ - CVE-2026-6985
Cesanta Mongoose TCP Option net_builtin.c handle_opt infinit - CVE-2026-5246
Cesanta Mongoose P-384 Public Key mongoose.c mg_tls_verify_c - CVE-2026-5245
Cesanta Mongoose mDNS Record mongoose.c handle_mdns_record s - CVE-2026-5244
Cesanta Mongoose TLS 1.3 mongoose.c mg_tls_recv_cert heap-ba
Same vendor: Cesanta
- CVE-2026-6986
Cesanta Mongoose GCM Authentication Tag tls_aes128.c mg_aes_ - CVE-2026-6985
Cesanta Mongoose TCP Option net_builtin.c handle_opt infinit - CVE-2026-5246
Cesanta Mongoose P-384 Public Key mongoose.c mg_tls_verify_c - CVE-2026-5245
Cesanta Mongoose mDNS Record mongoose.c handle_mdns_record s - CVE-2026-5244
Cesanta Mongoose TLS 1.3 mongoose.c mg_tls_recv_cert heap-ba
V. Comments for CVE-2017-2921
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