httpd/backport-CVE-2022-29404.patch
shirely 6d911a12bf [Backport]httpd: fix CVE2022-29404, CVE2022-30556
Offering:EulerOS Server
CVE:CVE2022-29404, CVE2022-30556
Reference:https://github.com/apache/httpd/commit/92499e20034485c5e2d29cb85940e3
11a3fcbf9e
Type:CVE
DTS/AR:NA
reson:fix CVE2022-29404, CVE2022-30556
2022-06-21 09:40:11 +08:00

52 lines
1.7 KiB
Diff

From 92499e20034485c5e2d29cb85940e309573d976e Mon Sep 17 00:00:00 2001
From: covener <covener@apache.org>
Date: Wed Jun 1 12:30:46 2022 UTC
Subject: [PATCH] use a liberal default limit for LimitRequestBody of 1GB
---
modules/http/http_filters.c | 7 +++++++
server/core.c | 2 +-
2 files changed, 8 insertions(+), 1 deletion(-)
diff --git a/modules/http/http_filters.c b/modules/http/http_filters.c
index 325cf53..f25d6f0 100644
--- a/modules/http/http_filters.c
+++ b/modules/http/http_filters.c
@@ -1717,6 +1717,7 @@ AP_DECLARE(int) ap_setup_client_block(request_rec *r, int read_policy)
{
const char *tenc = apr_table_get(r->headers_in, "Transfer-Encoding");
const char *lenp = apr_table_get(r->headers_in, "Content-Length");
+ apr_off_t limit_req_body = ap_get_limit_req_body(r);
r->read_body = read_policy;
r->read_chunked = 0;
@@ -1755,6 +1756,12 @@ AP_DECLARE(int) ap_setup_client_block(request_rec *r, int read_policy)
return HTTP_REQUEST_ENTITY_TOO_LARGE;
}
+ if (limit_req_body > 0 && (r->remaining > limit_req_body)) {
+ /* will be logged when the body is discarded */
+ return HTTP_REQUEST_ENTITY_TOO_LARGE;
+ }
+
+
#ifdef AP_DEBUG
{
/* Make sure ap_getline() didn't leave any droppings. */
diff --git a/server/core.c b/server/core.c
index 720b9a5..4e7acc8 100644
--- a/server/core.c
+++ b/server/core.c
@@ -65,7 +65,7 @@
/* LimitRequestBody handling */
#define AP_LIMIT_REQ_BODY_UNSET ((apr_off_t) -1)
-#define AP_DEFAULT_LIMIT_REQ_BODY ((apr_off_t) 0)
+#define AP_DEFAULT_LIMIT_REQ_BODY ((apr_off_t) 1<<30)
/* LimitXMLRequestBody handling */
#define AP_LIMIT_UNSET ((long) -1)
--
1.8.3.1