CVE-2022-0982— Buffer Overflow via crafted client request in Accel-PPP v1.12
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I. Basic Information for CVE-2022-0982
Vulnerability Information
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Vulnerability Title
Buffer Overflow via crafted client request in Accel-PPP v1.12
Source: NVD (National Vulnerability Database)
Vulnerability Description
The telnet_input_char function in opt/src/accel-pppd/cli/telnet.c suffers from a memory corruption vulnerability, whereby user input cmdline_len is copied into a fixed buffer b->buf without any bound checks. If the server connects with a malicious client, crafted client requests can remotely 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
Accel-Ppp 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Accel-Ppp是一个适用于 Linux 的高性能 Pptp/L2tp/Pppoe/Ipoe 服务器。 Accel-Ppp 存在安全漏洞，该漏洞源于用户输入 cmdline_len 被复制到固定缓冲区 b->buf 中没有任何绑定检查。
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 |
|---|---|---|---|---|
| https://accel-ppp.org/ | Accel-PPP | 1.12 ~ 1.12 | - |
II. Public POCs for CVE-2022-0982
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://github.com/xebd/accel-ppp/issues/164x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2022-0982
IV. Related Vulnerabilities
V. Comments for CVE-2022-0982
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