| 48 | | diff -aruN nginx-1.21.6/src/http/ngx_http_parse.c nginx/src/http/ngx_http_parse.c |
| 49 | | --- nginx-1.21.6/src/http/ngx_http_parse.c 2022-01-25 16:03:52.000000000 +0100 |
| 50 | | +++ nginx/src/http/ngx_http_parse.c 2022-09-30 17:38:02.176503090 +0200 |
| 51 | | @@ -1526,7 +1526,7 @@ |
| 52 | | ch = *p++; |
| 53 | | break; |
| 54 | | |
| 55 | | - } else if (ch == '\0') { |
| 56 | | + } else if (ch < 0x20 || ch == 0x7f) { |
| 57 | | return NGX_HTTP_PARSE_INVALID_REQUEST; |
| 58 | | } |
| 59 | | |
| 60 | | @@ -1546,6 +1546,8 @@ |
| 61 | | |
| 62 | | } else if (ch == '+') { |
| 63 | | r->plus_in_uri = 1; |
| 64 | | + } else if (ch < 0x20 || ch == 0x7f) { |
| 65 | | + return NGX_HTTP_PARSE_INVALID_REQUEST; |
| 66 | | } |
| 67 | | |
| 68 | | state = quoted_state; |
| | 48 | Same crafted curl gives me now: |
| | 49 | < HTTP/1.1 400 Bad Request |
| | 50 | < Server: nginx/1.21.6 |