جزئیات آسیب‌پذیری

CrowdSec offers crowdsourced protection against malicious IPs. From 1.5.0 until 1.7.8, pkg/appsec/request.go NewParsedRequestFromRequest allocated a request body buffer from max(r.ContentLength, 0), so HTTP/1.1 requests using Transfer-Encoding: chunked and HTTP/2 requests without a content-length header produced an empty body and caused WAF rules targeting REQUEST_BODY, BODY_ARGS, ARGS_POST, JSON, or XML to be skipped. This issue is fixed in version 1.7.8.

• https://github.com/crowdsecurity/crowdsec/security/advisories/GHSA-rw47-hm26-6wr7 x_refsource_CONFIRM
• https://github.com/crowdsecurity/crowdsec/pull/4355 x_refsource_MISC
• https://github.com/crowdsecurity/crowdsec/commit/3d5c4d9b127091e9063b9b5eb785372a599a4435 x_refsource_MISC
• https://github.com/crowdsecurity/crowdsec/commit/57a793548671e6bbd2cde5562fe87b856ec9c642 x_refsource_MISC
• https://github.com/crowdsecurity/crowdsec/releases/tag/v1.7.8 x_refsource_MISC