[mapserver] 02/03: Add upstream patches to fix CVE-2016-9839 & CVE-2017-5522. (LP: 1648998)

Bas Couwenberg sebastic at debian.org
Wed Jan 18 22:42:31 UTC 2017


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sebastic pushed a commit to branch ubuntu-trusty
in repository mapserver.

commit 7e4f66df849ba235e4443a5e4435905ed9ccc8f1
Author: Bas Couwenberg <sebastic at xs4all.nl>
Date:   Wed Jan 18 23:08:47 2017 +0100

    Add upstream patches to fix CVE-2016-9839 & CVE-2017-5522. (LP: 1648998)
---
 debian/changelog                   |   8 +++
 debian/patches/CVE-2016-9839.patch | 114 +++++++++++++++++++++++++++++++++++++
 debian/patches/CVE-2017-5522.patch |  30 ++++++++++
 debian/patches/series              |   2 +
 4 files changed, 154 insertions(+)

diff --git a/debian/changelog b/debian/changelog
index a8b5608..363d30b 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,11 @@
+mapserver (6.4.1-2ubuntu0.1) UNRELEASED; urgency=medium
+
+  * Non-maintainer upload.
+  * Add upstream patches to fix CVE-2016-9839 & CVE-2017-5522.
+    (LP: 1648998)
+
+ -- Bas Couwenberg <sebastic at debian.org>  Wed, 18 Jan 2017 23:11:42 +0100
+
 mapserver (6.4.1-2) unstable; urgency=low
 
   * Add gpb.conf to use pristine-tar by default.
diff --git a/debian/patches/CVE-2016-9839.patch b/debian/patches/CVE-2016-9839.patch
new file mode 100644
index 0000000..c92d402
--- /dev/null
+++ b/debian/patches/CVE-2016-9839.patch
@@ -0,0 +1,114 @@
+Description: Backport #4928 and #5356
+Author: Thomas Bonfort <thomas.bonfort at gmail.com>
+Origin: https://github.com/mapserver/mapserver/commit/022d24bd34196b6dca67053fb797a6980210bc54
+
+--- a/mapogr.cpp
++++ b/mapogr.cpp
+@@ -1118,18 +1118,15 @@ msOGRFileOpen(layerObj *layer, const cha
+     RELEASE_OGR_LOCK;
+ 
+     if( hDS == NULL ) {
+-      if( strlen(CPLGetLastErrorMsg()) == 0 )
+-        msSetError(MS_OGRERR,
+-                   "Open failed for OGR connection in layer `%s'.  "
+-                   "File not found or unsupported format.",
+-                   "msOGRFileOpen()",
+-                   layer->name?layer->name:"(null)" );
+-      else
+-        msSetError(MS_OGRERR,
+-                   "Open failed for OGR connection in layer `%s'.\n%s\n",
+-                   "msOGRFileOpen()",
+-                   layer->name?layer->name:"(null)",
+-                   CPLGetLastErrorMsg() );
++      msSetError(MS_OGRERR, 
++                "Open failed for OGR connection in layer `%s'.  "
++                "Check logs.", 
++                "msOGRFileOpen()",
++                layer->name?layer->name:"(null)" );
++      if( strlen(CPLGetLastErrorMsg()) != 0 )
++          msDebug("Open failed for OGR connection in layer `%s'.\n%s\n",
++                  layer->name?layer->name:"(null)", 
++                  CPLGetLastErrorMsg() );
+       CPLFree( pszDSName );
+       CPLFree( pszLayerDef );
+       return NULL;
+@@ -1154,10 +1151,13 @@ msOGRFileOpen(layerObj *layer, const cha
+     ACQUIRE_OGR_LOCK;
+     hLayer = OGR_DS_ExecuteSQL( hDS, pszLayerDef, NULL, NULL );
+     if( hLayer == NULL ) {
+-      msSetError(MS_OGRERR,
+-                 "ExecuteSQL(%s) failed.\n%s",
+-                 "msOGRFileOpen()",
+-                 pszLayerDef, CPLGetLastErrorMsg() );
++      msSetError(MS_OGRERR, 
++              "ExecuteSQL(%s) failed. Check logs",
++              "msOGRFileOpen()", 
++              pszLayerDef);
++      msDebug(
++              "ExecuteSQL(%s) failed.\n%s",
++              pszLayerDef, CPLGetLastErrorMsg() );
+       RELEASE_OGR_LOCK;
+       msConnPoolRelease( layer, hDS );
+       CPLFree( pszLayerDef );
+@@ -1189,9 +1189,11 @@ msOGRFileOpen(layerObj *layer, const cha
+   }
+ 
+   if (hLayer == NULL) {
+-    msSetError(MS_OGRERR, "GetLayer(%s) failed for OGR connection `%s'.",
+-               "msOGRFileOpen()",
+-               pszLayerDef, connection );
++    msSetError(MS_OGRERR, "GetLayer(%s) failed for OGR connection. Check logs.",
++                "msOGRFileOpen()", 
++                pszLayerDef);
++    msDebug("GetLayer(%s) failed for OGR connection `%s'.",
++                pszLayerDef, connection );
+     CPLFree( pszLayerDef );
+     msConnPoolRelease( layer, hDS );
+     return NULL;
+@@ -1356,10 +1358,12 @@ static int msOGRFileWhichShapes(layerObj
+     if( OGR_L_SetAttributeFilter( psInfo->hLayer, layer->filter.string+6 )
+         != OGRERR_NONE ) {
+       msSetError(MS_OGRERR,
+-                 "SetAttributeFilter(%s) failed on layer %s.\n%s",
++                 "SetAttributeFilter(%s) failed on layer %s.", 
+                  "msOGRFileWhichShapes()",
+-                 layer->filter.string+6, layer->name?layer->name:"(null)",
+-                 CPLGetLastErrorMsg() );
++                 layer->filter.string+6, layer->name?layer->name:"(null)");
++      msDebug("SetAttributeFilter(%s) failed on layer %s.\n%s", 
++              layer->filter.string+6, layer->name?layer->name:"(null)", 
++              CPLGetLastErrorMsg() );
+       RELEASE_OGR_LOCK;
+       return MS_FAILURE;
+     }
+@@ -1562,8 +1566,8 @@ msOGRFileNextShape(layerObj *layer, shap
+     if( (hFeature = OGR_L_GetNextFeature( psInfo->hLayer )) == NULL ) {
+       psInfo->last_record_index_read = -1;
+       if( CPLGetLastErrorType() == CE_Failure ) {
+-        msSetError(MS_OGRERR, "%s", "msOGRFileNextShape()",
+-                   CPLGetLastErrorMsg() );
++        msSetError(MS_OGRERR, "OGR error. check logs", "msOGRFileNextShape()");
++        msDebug("msOGRFileNextShape() error: %s", CPLGetLastErrorMsg() );
+         RELEASE_OGR_LOCK;
+         return MS_FAILURE;
+       } else {
+--- a/mappostgis.c
++++ b/mappostgis.c
+@@ -2305,7 +2305,8 @@ int msPostGISLayerOpen(layerObj *layer)
+         }
+       }
+ 
+-      msSetError(MS_QUERYERR, "Database connection failed (%s) with connect string '%s'\nIs the database running? Is it allowing connections? Does the specified user exist? Is the password valid? Is the database on the standard port?", "msPostGISLayerOpen()", PQerrorMessage(layerinfo->pgconn), maskeddata);
++      msDebug("Database connection failed (%s) with connect string '%s'\nIs the database running? Is it allowing connections? Does the specified user exist? Is the password valid? Is the database on the standard port?.\n", PQerrorMessage(layerinfo->pgconn), maskeddata);
++      msSetError(MS_QUERYERR, "Database connection failed.\nIs the database running? Is it allowing connections? Does the specified user exist? Is the password valid? Is the database on the standard port?", "msPostGISLayerOpen()");
+ 
+       free(maskeddata);
+       free(layerinfo);
+@@ -2327,7 +2328,6 @@ int msPostGISLayerOpen(layerObj *layer)
+         msSetError(MS_QUERYERR, "PostgreSQL database connection gone bad (%s)", "msPostGISLayerOpen()", PQerrorMessage(layerinfo->pgconn));
+         return MS_FAILURE;
+       }
+-
+     }
+   }
+ 
diff --git a/debian/patches/CVE-2017-5522.patch b/debian/patches/CVE-2017-5522.patch
new file mode 100644
index 0000000..671b81d
--- /dev/null
+++ b/debian/patches/CVE-2017-5522.patch
@@ -0,0 +1,30 @@
+Description: security fix (patch by EvenR)
+ Fixes CVE-2017-5522 (stack buffer overflow)
+Author: Even Rouault <even.rouault at spatialys.com>
+Origin: https://github.com/mapserver/mapserver/commit/fb00f8149898fcf9fcb490a179984e481248f066
+        https://github.com/mapserver/mapserver/commit/f096b132e58cdfe2714ce372e9f4f7c76d72c5ec
+
+--- a/mapogcfilter.c
++++ b/mapogcfilter.c
+@@ -2852,7 +2852,9 @@ char *FLTGetIsLikeComparisonExpression(F
+ 
+   pszValue = psFilterNode->psRightNode->pszValue;
+   nLength = strlen(pszValue);
+-
++  if( 1 + 2 * nLength + 1 + 1 >= sizeof(szTmp) )
++      return NULL;
++      
+   iTmp =0;
+   if (nLength > 0 && pszValue[0] != pszWild[0] &&
+       pszValue[0] != pszSingle[0] &&
+--- a/mapogcfiltercommon.c
++++ b/mapogcfiltercommon.c
+@@ -93,6 +93,8 @@ char *FLTGetIsLikeComparisonCommonExpres
+ 
+   pszValue = psFilterNode->psRightNode->pszValue;
+   nLength = strlen(pszValue);
++  if( 1 + 2 * nLength + 1 + 1 >= sizeof(szTmp) )
++      return NULL;  
+ 
+   iTmp =0;
+   if (nLength > 0 && pszValue[0] != pszWild[0] &&
diff --git a/debian/patches/series b/debian/patches/series
index 2b6db3c..05709f8 100644
--- a/debian/patches/series
+++ b/debian/patches/series
@@ -4,3 +4,5 @@ perl-mapscript-install.patch
 ruby-mapscript-install.patch
 cmake-mapserver-export.patch
 cmake-ruby2.patch
+CVE-2016-9839.patch
+CVE-2017-5522.patch

-- 
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