CyberRota Analysis
AI-GeneratedVinyl Cache versions prior to 9.0.2 are vulnerable to a buffer overflow in the .upper() and .lower() string methods of VCL, which can lead to remote denial of service (DoS) by causing the child process to crash and restart. Exploitation requires specific knowledge of the VCL implementation and the ability to craft appropriately sized requests. Organizations using affected versions should prioritize patching to mitigate potential service disruptions.
Public Exploit Signal
A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.
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Original NVD Description
In Vinyl Cache before 9.0,2, workspace buffer overflow vulnerability was found in the .upper() and .lower() string type methods of VCL. This can be used as a remote denial of service (DoS) vector to make the child process segfault or assert, and then restart. Effectively exploiting this vulnerability requires prior knowledge about the VCL in use and the ability to craft a request that contains a string that is long enough to fill the remaining workspace at the call site while staying under the different request size limits (http_req_size, http_req_hdr_len, etc.).