CVE-2023-38546 (libcurl)

This flaw allows an attacker to insert cookies at will into a running program
using libcurl, if the specific series of conditions are met.

libcurl performs transfers. In its API, an application creates "easy handles"
that are the individual handles for single transfers.

libcurl provides a function call that duplicates en easy handle called
[curl_easy_duphandle](https://curl.se/libcurl/c/curl_easy_duphandle.html).

If a transfer has cookies enabled when the handle is duplicated, the
cookie-enable state is also cloned - but without cloning the actual
cookies. If …

api application attacker call called conditions cookies cve cve-2023-38546 easy flaw function libcurl program running series single transfer