CVE-2020-4067— Improper Initialization in coturn
Get alerts for future matching vulnerabilitiesLog in to subscribe
I. Basic Information for CVE-2020-4067
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗ Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
Improper Initialization in coturn
Source: NVD (National Vulnerability Database)
Vulnerability Description
In coturn before version 4.5.1.3, there is an issue whereby STUN/TURN response buffer is not initialized properly. There is a leak of information between different client connections. One client (an attacker) could use their connection to intelligently query coturn to get interesting bytes in the padding bytes from the connection of another client. This has been fixed in 4.5.1.3.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
初始化不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
CoTURN 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
CoTURN是一款TURN（VoIP媒体业务NAT穿越服务器和网关）和STUN（用户数据报协议简单穿越网络地址转换器）Server的开源实现。 CoTURN 4.5.1.3之前版本中存在安全漏洞，该漏洞源于程序没有正确初始化STUN/TURN响应缓冲区。攻击者可利用该漏洞获取信息。
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-2020-4067
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
Qwen3.6-35B-A3B · 7771 chars
Paid plan includes:
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
100+ AI POC generations per month
III. Intelligence Information for CVE-2020-4067
请登录查看更多情报信息。
- https://github.com/coturn/coturn/security/advisories/GHSA-c8r8-8vp5-6gcmx_refsource_CONFIRM
- https://github.com/coturn/coturn/issues/583x_refsource_MISC
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00010.htmlvendor-advisoryx_refsource_SUSE
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TNJJO77ZLGGFJWNUGP6VDG5HPAC5UDBK/vendor-advisoryx_refsource_FEDORA
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5G35UBNSRLL6SYRTODYTMBJ65TLQILUM/vendor-advisoryx_refsource_FEDORA
- https://nvd.nist.gov/vuln/detail/CVE-2020-4067
IV. Related Vulnerabilities
Same product: coturn
V. Comments for CVE-2020-4067
No comments yet