Vulnerability Information
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Vulnerability Title
Deserialization of Untrusted Data in com.supermartijn642.configlib.ConfigSyncPacket
Vulnerability Description
SuperMartijn642's Config Lib is a library used by a number of mods for the game Minecraft. The versions of SuperMartijn642's Config Lib between 1.0.4 and 1.0.8 are affected by a vulnerability and can be exploited on both servers and clients. Using SuperMartijn642's Config Lib, servers will send a packet to clients with the server's config values. In order to read `enum` values from the packet data, `ObjectInputStream#readObject` is used. `ObjectInputStream#readObject` will instantiate a class based on the input data. Since, the packet data is not validated before `ObjectInputStream#readObject` is called, an attacker can instantiate any class by sending a malicious packet. If a suitable class is found, the vulnerability can lead to a number of exploits, including remote code execution. Although the vulnerable packet is typically only send from server to client, it can theoretically also be send from client to server. This means both clients and servers running SuperMartijn642's Config Lib between 1.0.4 and 1.0.8 are vulnerable. The vulnerability has been patched in SuperMartijn642's Config lib 1.0.9. Both, players and server owners, should update to 1.0.9 or higher.
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Vulnerability Type
可信数据的反序列化
Vulnerability Title
Minecraft 代码问题漏洞
Vulnerability Description
Minecraft（我的世界）是瑞典Mojang的一款沙盒游戏。 Minecraft SuperMartijn642 存在代码问题漏洞，该漏洞源于使用SuperMartijn642的Config Lib，服务器将发送一个带有服务器配置值的包给客户端。
CVSS Information
N/A
Vulnerability Type
N/A