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CVE ID: | CVE-2023-39326 |
Description: | A malicious HTTP sender can use chunk extensions to cause a receiver reading from a request or response body to read many more bytes from the network than are in the body. A malicious HTTP client can further exploit this to cause a server to automatically read a large amount of data (up to about 1GiB) when a handler fails to read the entire body of a request. Chunk extensions are a little-used HTTP feature which permit including additional metadata in a request or response body sent using the chunked encoding. The net/http chunked encoding reader discards this metadata. A sender can exploit this by inserting a large metadata segment with each byte transferred. The chunk reader now produces an error if the ratio of real body to encoded bytes grows too small. |
Test IDs: | 1.3.6.1.4.1.25623.1.1.2.2024.1194 1.3.6.1.4.1.25623.1.1.2.2024.1174 |
Cross References: |
Common Vulnerability Exposure (CVE) ID: CVE-2023-39326 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UIU6HOGV6RRIKWM57LOXQA75BGZSIH6G/ https://go.dev/cl/547335 https://go.dev/cl/547335 https://go.dev/issue/64433 https://go.dev/issue/64433 https://groups.google.com/g/golang-dev/c/6ypN5EjibjM/m/KmLVYH_uAgAJ https://groups.google.com/g/golang-dev/c/6ypN5EjibjM/m/KmLVYH_uAgAJ https://pkg.go.dev/vuln/GO-2023-2382 https://pkg.go.dev/vuln/GO-2023-2382 |