En bref
- CVE-2025-6442 est une vulnérabilité MOYENNE (CVSS 5.9) touchant webrick, webrick (ruby-lang).
- Probabilité d'exploitation dans les 30 prochains jours (EPSS) : 0.50%, plus élevée que 42.5% des vulnérabilités.
- Correctif : mettre à jour vers 1.8.2 ou plus récent.
| Package | Affected versions | Patched versions |
|---|
| webrick RubyGems | < 1.8.2
| 1.8.2
|
| webrick | < 1.8.2
| 1.8.2
|
Description
Ruby WEBrick read_header HTTP Request Smuggling Vulnerability. This vulnerability allows remote attackers to smuggle arbitrary HTTP requests on affected installations of Ruby WEBrick. This issue is exploitable when the product is deployed behind an HTTP proxy that fulfills specific conditions.
The specific flaw exists within the read_headers method. The issue results from the inconsistent parsing of terminators of HTTP headers. An attacker can leverage this vulnerability to smuggle arbitrary HTTP requests. Was ZDI-CAN-21876.
NVD description
Ruby WEBrick read_header HTTP Request Smuggling Vulnerability. This vulnerability allows remote attackers to smuggle arbitrary HTTP requests on affected installations of Ruby WEBrick. This issue is exploitable when the product is deployed behind an HTTP proxy that fulfills specific conditions.
The specific flaw exists within the read_headers method. The issue results from the inconsistent parsing of terminators of HTTP headers. An attacker can leverage this vulnerability to smuggle arbitrary HTTP requests. Was ZDI-CAN-21876.
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