CVE-2020-27347— tmux stack buffer overflow in function input_csi_dispatch_sgr_colon
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I. Basic Information for CVE-2020-27347
Vulnerability Information
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Vulnerability Title
tmux stack buffer overflow in function input_csi_dispatch_sgr_colon
Source: NVD (National Vulnerability Database)
Vulnerability Description
In tmux before version 3.1c the function input_csi_dispatch_sgr_colon() in file input.c contained a stack-based buffer-overflow that can be exploited by terminal output.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
栈缓冲区溢出
Source: NVD (National Vulnerability Database)
Vulnerability Title
tmux 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
tmux是一款开源的终端多路复用器。 Tmux input.c 中的input_csi_dispatch_sgr_colon()函数存在缓冲区错误漏洞，攻击者可由终端输出利用该漏洞。
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-2020-27347
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | Enhanced fuzzing for tmux using OSS-Fuzz. Includes custom `cmd-fuzzer` and `argument-fuzzer` harnesses for improved code coverage and a PoC for `CVE-2020-27347` | https://github.com/lucadibello/tmux-fuzzing | POC Details |
AI-Generated POCPremium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2020-27347
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- https://raw.githubusercontent.com/tmux/tmux/3.1c/CHANGESx_refsource_CONFIRM
- https://www.openwall.com/lists/oss-security/2020/11/05/3x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2020-27347
IV. Related Vulnerabilities
Same weakness: CWE-121
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V. Comments for CVE-2020-27347
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