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Files from sirpedrotavares

First Active2021-06-01
Last Active2021-06-03
CHIYU IoT Denial Of Service
Posted Jun 3, 2021
Authored by sirpedrotavares

CHIYU IoT devices suffer from an integer overflow denial of service vulnerability. Affected devices include BIOSENSE, Webpass, and BF-630, BF-631, and SEMAC with firmware versions prior to June 2021.

tags | exploit, denial of service, overflow
advisories | CVE-2021-31642
MD5 | 2710ae05b0dfa9c84b0ae83ebc6ff34e
CHIYU IoT Telnet Authentication Bypass
Posted Jun 3, 2021
Authored by sirpedrotavares

Several IoT devices from the CHIYU Technology firm are vulnerable to a flaw that permits bypassing the telnet authentication process due to an overflow during the negotiation of the telnet protocol. Telnet authentication is bypassed by supplying a specially malformed request, and an attacker may force the remote telnet server to believe that the user has already authenticated. Several models are vulnerable, including BF-430, BF-431, BF-450M, and SEMAC with the most recent firmware versions.

tags | exploit, remote, overflow, protocol, bypass
advisories | CVE-2021-31251
MD5 | 97cff8513b3034f2b17e7eae72c11d7a
CHIYU IoT Cross Site Scripting
Posted Jun 1, 2021
Authored by sirpedrotavares

CHIYU IoT devices suffer from multiple cross site scripting vulnerabilities. Versions affected include BF-430, BF-431, BF-450M, BF-630, BF631-W, BF830-W, Webpass, BF-MINI-W, and SEMAC.

tags | exploit, vulnerability, xss
advisories | CVE-2021-31250, CVE-2021-31641, CVE-2021-31643
MD5 | be521ba12f3652a10a9d3371e8b27108
CHIYU TCP/IP Converter CRLF Injection
Posted Jun 1, 2021
Authored by sirpedrotavares

CHIYU TCP/IP Converter devices suffers from a crlf injection vulnerability. Versions affected include BF-430, BF-431, and BF-450M.

tags | exploit, tcp
MD5 | 13a797a4534c55f2a1bacdeee0f9a77e
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