PT-2026-65455 · Lookyloo · Lookyloo
CVSS v4.0
6.9
Média
| Vetor | AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
Lookyloo did not enforce limits on the decompressed size of uploaded capture archives and compressed HAR files.
An attacker could submit a specially crafted ZIP, gzip, or zlib-compressed capture containing data that expands to a very large size during processing. Because the application decompressed this content directly in memory without first limiting the output size, processing the malicious capture could exhaust available memory, terminate a web or worker process, or make the Lookyloo instance unavailable.
The vulnerability affects both full Lookyloo capture archive imports and API submissions containing gzip-compressed HAR data. Repeated exploitation could cause a persistent denial-of-service condition until the affected processes or instance are restarted.
The patch introduces:
- A 1 GB cumulative uncompressed-size limit for imported capture archives.
- Size-limited gzip and zlib decompression for compressed HAR files.
- Explicit detection and handling of suspected zip bombs.
- An HTTP 400 response when an oversized compressed HAR file is submitted through the API.
Correção
Resource Exhaustion
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Lookyloo