ports/90072: Update port: print/cups-base xpdf security issues

Marcus Alves Grando mnag at FreeBSD.org
Wed Dec 7 14:31:39 UTC 2005


>Number:         90072
>Category:       ports
>Synopsis:       Update port: print/cups-base xpdf security issues
>Confidential:   no
>Severity:       serious
>Priority:       high
>Responsible:    freebsd-ports-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          update
>Submitter-Id:   current-users
>Arrival-Date:   Wed Dec 07 14:30:03 GMT 2005
>Closed-Date:
>Last-Modified:
>Originator:     Marcus Alves Grando
>Release:        FreeBSD 6.0-STABLE i386
>Organization:
Grupos Internet S/A
>Environment:
System: FreeBSD marcus.grupos.com.br 6.0-STABLE FreeBSD 6.0-STABLE #16: Tue Dec 6 00:43:44 BRST 2005 root at marcus.grupos.com.br:/usr/obj/usr/src/sys/MARCUS i386


	
>Description:
Backport xpdf vendor patch (affected part)
Bump PORTREVISION

Security:	http://www.idefense.com/application/poi/display?id=342&type=vulnerabilities
		http://www.idefense.com/application/poi/display?id=343&type=vulnerabilities
		http://www.idefense.com/application/poi/display?id=344&type=vulnerabilities
		http://secunia.com/advisories/17897/
		CVE-2005-3191, CVE-2005-3192

	
>How-To-Repeat:
	
>Fix:

	

--- cups-base.patch begins here ---
Index: Makefile
===================================================================
RCS file: /home/pcvs/ports/print/cups-base/Makefile,v
retrieving revision 1.49
diff -u -r1.49 Makefile
--- Makefile	4 Dec 2005 02:01:01 -0000	1.49
+++ Makefile	7 Dec 2005 14:13:41 -0000
@@ -9,7 +9,7 @@
 
 PORTNAME=	cups-base
 PORTVERSION=	${CUPS_PORTVER}
-PORTREVISION=	6
+PORTREVISION=	7
 PORTEPOCH=	${CUPS_PORTEPOCH}
 CATEGORIES=	print
 MASTER_SITES=	${CUPS_MASTER_SITES}
Index: files/patch-SA17897
===================================================================
RCS file: files/patch-SA17897
diff -N files/patch-SA17897
--- /dev/null	1 Jan 1970 00:00:00 -0000
+++ files/patch-SA17897	7 Dec 2005 14:13:41 -0000
@@ -0,0 +1,93 @@
+--- pdftops/Stream.cxx.orig	Mon May 17 16:37:57 2004
++++ pdftops/Stream.cxx	Tue Dec  6 18:05:14 2005
+@@ -407,18 +407,33 @@
+ 
+ StreamPredictor::StreamPredictor(Stream *strA, int predictorA,
+ 				 int widthA, int nCompsA, int nBitsA) {
++  int totalBits;
++
+   str = strA;
+   predictor = predictorA;
+   width = widthA;
+   nComps = nCompsA;
+   nBits = nBitsA;
++  predLine = NULL;
++  ok = gFalse;
+ 
+   nVals = width * nComps;
++  totalBits = nVals * nBits;
++  if (totalBits == 0 ||
++      (totalBits / nBits) / nComps != width ||
++      totalBits + 7 < 0) {
++    return;
++  }
+   pixBytes = (nComps * nBits + 7) >> 3;
+-  rowBytes = ((nVals * nBits + 7) >> 3) + pixBytes;
++  rowBytes = ((totalBits + 7) >> 3) + pixBytes;
++  if (rowBytes < 0) {
++    return;
++  }
+   predLine = (Guchar *)gmalloc(rowBytes);
+   memset(predLine, 0, rowBytes);
+   predIdx = rowBytes;
++
++  ok = gTrue;
+ }
+ 
+ StreamPredictor::~StreamPredictor() {
+@@ -1012,6 +1027,10 @@
+     FilterStream(strA) {
+   if (predictor != 1) {
+     pred = new StreamPredictor(this, predictor, columns, colors, bits);
++    if (!pred->isOk()) {
++      delete pred;
++      pred = NULL;
++    }
+   } else {
+     pred = NULL;
+   }
+@@ -2897,6 +2916,14 @@
+   height = read16();
+   width = read16();
+   numComps = str->getChar();
++  if (numComps <= 0 || numComps > 4) {
++    error(getPos(), "Bad number of components in DCT stream", prec);
++    return gFalse;
++  }
++  if (numComps <= 0 || numComps > 4) {
++    error(getPos(), "Bad number of components in DCT stream", prec);
++    return gFalse;
++  }
+   if (prec != 8) {
+     error(getPos(), "Bad DCT precision %d", prec);
+     return gFalse;
+@@ -3255,6 +3282,10 @@
+     FilterStream(strA) {
+   if (predictor != 1) {
+     pred = new StreamPredictor(this, predictor, columns, colors, bits);
++    if (!pred->isOk()) {
++      delete pred;
++      pred = NULL;
++    }
+   } else {
+     pred = NULL;
+   }
+--- pdftops/Stream.h.orig	Mon May 17 16:37:57 2004
++++ pdftops/Stream.h	Tue Dec  6 18:05:14 2005
+@@ -233,6 +233,8 @@
+ 
+   ~StreamPredictor();
+ 
++  GBool isOk() { return ok; }
++
+   int lookChar();
+   int getChar();
+ 
+@@ -250,6 +252,7 @@
+   int rowBytes;			// bytes per line
+   Guchar *predLine;		// line buffer
+   int predIdx;			// current index in predLine
++  GBool ok;
+ };
+ 
+ //------------------------------------------------------------------------
--- cups-base.patch ends here ---


>Release-Note:
>Audit-Trail:
>Unformatted:



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