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Code Issues Releases Activity

- Backport security fixes in ssl_engine_io.c

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* [SECURITY] mod_ssl: Fix potential input filter segfaults in
  SPECULATIVE mode. (rollback handling for AP_MODE_SPECULATIVE)
  "This issue has possible security implications; it's been assigned CVE
  CAN-2004-0751 (cve.mitre.org)."
  http://issues.apache.org/bugzilla/show_bug.cgi?id=30134

* [SECURITY] mod_ssl: Fix potential infinite loop.
  (potential infinite loop in ssl_io_input_getline if connection is
  aborted without inctx->rc being set.)
  http://issues.apache.org/bugzilla/show_bug.cgi?id=27945
  http://issues.apache.org/bugzilla/show_bug.cgi?id=29690

Obtained from:  Apache CVS (httpd-2.0 HEAD)
This commit is contained in:
Clement Laforet 2004-08-18 19:40:07 +00:00
parent 581544e9fc
commit a4dd64d032
Notes: svn2git 2021-03-31 03:12:20 +00:00 
svn path=/head/; revision=116629
4 changed files with 70 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
www/apache2/Makefile
View File

@ -9,7 +9,7 @@
PORTNAME= apache
PORTVERSION= 2.0.50
PORTREVISION= 1
PORTREVISION= 2
CATEGORIES= www
MASTER_SITES= ${MASTER_SITE_APACHE_HTTPD} \
http://sheepkiller.nerim.net/ports/${PORTNAME}/:powerlogo

34
www/apache2/files/patch-secfix-modules:ssl:ssl_engine_io.c Normal file
View File

@ -0,0 +1,34 @@
===================================================================
RCS file: /home/cvspublic/httpd-2.0/modules/ssl/ssl_engine_io.c,v
retrieving revision 1.124
retrieving revision 1.126
diff -u -r1.124 -r1.126
--- modules/ssl/ssl_engine_io.c 2004/07/13 18:11:22 1.124
+++ modules/ssl/ssl_engine_io.c 2004/08/17 16:31:23 1.126
@@ -564,8 +564,12 @@
*len = bytes;
if (inctx->mode == AP_MODE_SPECULATIVE) {
/* We want to rollback this read. */
- inctx->cbuf.value -= bytes;
- inctx->cbuf.length += bytes;
+ if (inctx->cbuf.length > 0) {
+ inctx->cbuf.value -= bytes;
+ inctx->cbuf.length += bytes;
+ } else {
+ char_buffer_write(&inctx->cbuf, buf, (int)bytes);
+ }
return APR_SUCCESS;
}
/* This could probably be *len == wanted, but be safe from stray
@@ -589,6 +593,10 @@
while (1) {
if (!inctx->filter_ctx->pssl) {
+ /* Ensure a non-zero error code is returned */
+ if (inctx->rc == APR_SUCCESS) {
+ inctx->rc = APR_EGENERAL;
+ }
break;
}

2
www/apache20/Makefile
View File

@ -9,7 +9,7 @@
PORTNAME= apache
PORTVERSION= 2.0.50
PORTREVISION= 1
PORTREVISION= 2
CATEGORIES= www
MASTER_SITES= ${MASTER_SITE_APACHE_HTTPD} \
http://sheepkiller.nerim.net/ports/${PORTNAME}/:powerlogo

34
www/apache20/files/patch-secfix-modules:ssl:ssl_engine_io.c Normal file
View File

@ -0,0 +1,34 @@
===================================================================
RCS file: /home/cvspublic/httpd-2.0/modules/ssl/ssl_engine_io.c,v
retrieving revision 1.124
retrieving revision 1.126
diff -u -r1.124 -r1.126
--- modules/ssl/ssl_engine_io.c 2004/07/13 18:11:22 1.124
+++ modules/ssl/ssl_engine_io.c 2004/08/17 16:31:23 1.126
@@ -564,8 +564,12 @@
*len = bytes;
if (inctx->mode == AP_MODE_SPECULATIVE) {
/* We want to rollback this read. */
- inctx->cbuf.value -= bytes;
- inctx->cbuf.length += bytes;
+ if (inctx->cbuf.length > 0) {
+ inctx->cbuf.value -= bytes;
+ inctx->cbuf.length += bytes;
+ } else {
+ char_buffer_write(&inctx->cbuf, buf, (int)bytes);
+ }
return APR_SUCCESS;
}
/* This could probably be *len == wanted, but be safe from stray
@@ -589,6 +593,10 @@
while (1) {
if (!inctx->filter_ctx->pssl) {
+ /* Ensure a non-zero error code is returned */
+ if (inctx->rc == APR_SUCCESS) {
+ inctx->rc = APR_EGENERAL;
+ }
break;
}