CVE-2021-26717
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I. Basic Information for CVE-2021-26717
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
An issue was discovered in Sangoma Asterisk 16.x before 16.16.1, 17.x before 17.9.2, and 18.x before 18.2.1 and Certified Asterisk before 16.8-cert6. When re-negotiating for T.38, if the initial remote response was delayed just enough, Asterisk would send both audio and T.38 in the SDP. If this happened, and the remote responded with a declined T.38 stream, then Asterisk would crash.
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
Sangoma Technologies Asterisk 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Sangoma Technologies Asterisk是加拿大Sangoma Technologies公司的一套开源电话交换机（PBX）系统软件。该软件支持语音信箱、多方语音会议、交互式语音应答(IVR)等。 Sangoma Technologies Asterisk 中存在安全漏洞。该漏洞源于重新协商T.38时，如果初始远程响应延迟刚好足够，应用将在SDP中发送音频和T.38。如果发生这种情况，并且远程设备以拒绝的T.38流响应，那么应用将崩溃。以下产品及版本受到影响：Sangoma Asteris
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-2021-26717
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://downloads.asterisk.org/pub/security/AST-2021-002.htmlx_refsource_CONFIRM
- ASTERISK-29203: res_pjsip_t38: Crash when changing statex_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2021-26717
Same Patch Batch · n/a · 2021-02-18 · 27 CVEs total
| CVE-2020-28490 | 9.1 CRITICAL | Command Injection |
| CVE-2021-23341 | 7.5 HIGH | Regular Expression Denial of Service (ReDoS) |
| CVE-2020-28491 | 7.5 HIGH | Denial of Service (DoS) |
| CVE-2020-28496 | 7.5 HIGH | Regular Expression Denial of Service (ReDoS) |
| CVE-2020-28499 | 7.3 HIGH | Prototype Pollution |
| CVE-2021-23340 | 7.1 HIGH | Local File Inclusion |
| CVE-2020-28463 | 6.5 MEDIUM | Server-side Request Forgery (SSRF) |
| CVE-2021-27379 | Xen 安全漏洞 | |
| CVE-2021-27375 | Containous Traefik 安全漏洞 | |
| CVE-2021-27124 | Doctor Appointment System SQL注入漏洞 | |
| CVE-2021-27378 | Rust rand_core 安全特征问题漏洞 | |
| CVE-2021-27377 | Rust yottadb 资源管理错误漏洞 | |
| CVE-2021-27376 | Rust nb-connect 缓冲区错误漏洞 | |
| CVE-2020-29664 | DJI Mavic 2 命令注入漏洞 | |
| CVE-2020-35577 | Endalia Selection Porta 安全漏洞 | |
| CVE-2019-18255 | GE Digital HMI/SCADA iFIX 权限许可和访问控制问题漏洞 | |
| CVE-2019-18243 | GE Digital HMI/SCADA iFIX 权限许可和访问控制问题漏洞 | |
| CVE-2020-19513 | FinalWire AIDA64 Engineer 缓冲区错误漏洞 | |
| CVE-2021-27329 | Friendica 代码问题漏洞 | |
| CVE-2021-27335 | KollectApps 代码问题漏洞 |
Showing top 20 of 27 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
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