Caddy: MatchHost becomes case-sensitive for large host lists (>100), enabling host-based route/auth bypass

Summary Caddy's HTTP host request matcher is documented as case-insensitive, but when configured with a large host list 100 entries it becomes case-sensitive due to an optimized matching path. An attacker can bypass host-based routing and any access controls attached to that route by changing the...

SUSE CVE-2019-11072

DISPUTED lighttpd before 1.4.54 has a signed integer overflow, which might allow remote attackers to cause a denial of service application crash or possibly have unspecified other impact via a malicious HTTP GET request, as demonstrated by mishandling of /%2F? in burlnormalize2Ftoslashfix in...

GHSA-WPMX-564X-H2MH ewen-lbh/ffcss Late-Unicode normalization vulnerability

Summary The function lookupPreprocess is meant to apply some transformations to a string by disabling characters in the regex - .. However, due to the use of late Unicode normalization of type NFKD, it is possible to bypass that validation and re-introduce all the characters in the regex - .. go ...