漏洞信息
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Vulnerability Title
Yealink SIP-T33G < 124.87.0.0 Race Condition via Diagnostic File Deletion
Vulnerability Description
Yealink SIP-T33G firmware versions 124.86.x.x prior to 124.87.0.0 contain a race condition vulnerability that allows authenticated attackers to interrupt active diagnostic processes by concurrently deleting output files written to predictable paths under the diagnostic directory. Attackers can trigger a diagnostic operation such as traceroute or ping and simultaneously invoke the file deletion endpoint to terminate the running process, leaving the system in an inconsistent state.
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Vulnerability Type
使用共享资源的并发执行不恰当同步问题(竞争条件)
Vulnerability Title
Yealink SIP-T33G 竞争条件问题漏洞
Vulnerability Description
Yealink SIP-T33G是中国Yealink公司的一款支持SIP协议的企业级IP电话。 Yealink SIP-T33G 124.87.0.0版本之前的124.86版本存在竞争条件问题漏洞,该漏洞源于存在竞争条件,经过身份验证的攻击者可通过并发删除诊断目录下可预测路径的输出文件,并同时触发traceroute或ping等诊断操作及调用文件删除端点,中断正在运行的诊断进程,导致系统状态不一致。
CVSS Information
N/A
Vulnerability Type
N/A