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2 actionable advisories, newest first. Withdrawn advisories and news are excluded. Coverage is partial.
An unsafe reading of environment file could potentially cause a denial of service in Netty. When loaded on an Windows application, Netty attemps to load a file that does not exist. If an attacker creates such a large file, the Netty application crash. Details A similar issue was previously reported in https://github.com/netty/netty/security/advisories/GHSA-xq3w-v528-46rv This issue was fixed, but the fix was incomplete in that null-bytes were not counted against the input limit. PoC The PoC is the same as for https://github.com/netty/netty/security/advisories/GHSA-xq3w-v528-46rv with the detail that the file should only contain null-bytes; 0x00. When the null-bytes are encountered by the InputStreamReader, it will issue replacement characters in its charset decoding, which will fill up the line-buffer in the BufferedReader.readLine(), because the replacement character is not a line-break character. Impact Impact is the same as…
Recommended action: Upgrade to 4.1.118.Final or later, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.
An unsafe reading of environment file could potentially cause a denial of service in Netty. When loaded on an Windows application, Netty attemps to load a file that does not exist. If an attacker creates such a large file, the Netty application crash. Details When the library netty is loaded in a java windows application, the library tries to identify the system environnement in which it is executed. At this stage, Netty tries to load both /etc/os-release and /usr/lib/os-release even though it is in a Windows environment. <img width="364" alt="1" src="https://github.com/user-attachments/assets/9466b181-9394-45a3-b0e3-1dcf105def59" If netty finds this files, it reads them and loads them into memory. By default : - The JVM maximum memory size is set to 1 GB, - A non-privileged user can create a directory at C:\ and create files within it. <img width="340" alt="2" src="https://github.com/user-attachments/assets/43b359a2-5871-4592-ae2b-ffc40ac76831" <img width="523" alt="3"…
Recommended action: Upgrade to 4.1.115.Final or later, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.