漏洞信息
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Vulnerability Title
FreeRDP - Use-After-Free via Race Condition in DRDYNVC Channel Callback
Vulnerability Description
FreeRDP before 3.22.0 contains a use-after-free vulnerability in dvcman_channel_close and dvcman_call_on_receive due to improper synchronization of channel_callback access. A malicious RDP server can trigger a race condition by sending DYNVC_DATA and DYNVC_CLOSE messages concurrently, causing heap-use-after-free in the drdynvc client thread and potentially enabling remote code execution or denial of service.
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/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
FreeRDP 竞争条件问题漏洞
Vulnerability Description
FreeRDP是FreeRDP团队开源的一款开源的远程桌面协议(RDP)的实现。 FreeRDP 3.22.0之前版本存在竞争条件问题漏洞,该漏洞源于dvcman_channel_close和dvcman_call_on_receive中channel_callback访问同步不当,导致释放后重用,恶意RDP服务器可能通过并发发送DYNVC_DATA和DYNVC_CLOSE消息触发竞争条件,造成堆释放后重用,可能导致远程代码执行或拒绝服务。
CVSS Information
N/A
Vulnerability Type
N/A