aboutsummaryrefslogtreecommitdiffstats
path: root/meta/recipes-multimedia/libtiff/files/CVE-2015-8781.patch
diff options
context:
space:
mode:
Diffstat (limited to 'meta/recipes-multimedia/libtiff/files/CVE-2015-8781.patch')
-rw-r--r--meta/recipes-multimedia/libtiff/files/CVE-2015-8781.patch195
1 files changed, 0 insertions, 195 deletions
diff --git a/meta/recipes-multimedia/libtiff/files/CVE-2015-8781.patch b/meta/recipes-multimedia/libtiff/files/CVE-2015-8781.patch
deleted file mode 100644
index 0846f0f68e..0000000000
--- a/meta/recipes-multimedia/libtiff/files/CVE-2015-8781.patch
+++ /dev/null
@@ -1,195 +0,0 @@
-From aaab5c3c9d2a2c6984f23ccbc79702610439bc65 Mon Sep 17 00:00:00 2001
-From: erouault <erouault>
-Date: Sun, 27 Dec 2015 16:25:11 +0000
-Subject: [PATCH] * libtiff/tif_luv.c: fix potential out-of-bound writes in
- decode functions in non debug builds by replacing assert()s by regular if
- checks (bugzilla #2522). Fix potential out-of-bound reads in case of short
- input data.
-
-Upstream-Status: Backport
-
-https://github.com/vadz/libtiff/commit/aaab5c3c9d2a2c6984f23ccbc79702610439bc65
-hand applied Changelog changes
-
-CVE: CVE-2015-8781
-
-Signed-off-by: Armin Kuster <akuster@mvista.com>
----
- ChangeLog | 7 +++++++
- libtiff/tif_luv.c | 55 ++++++++++++++++++++++++++++++++++++++++++++-----------
- 2 files changed, 51 insertions(+), 11 deletions(-)
-
-Index: tiff-4.0.4/ChangeLog
-===================================================================
---- tiff-4.0.4.orig/ChangeLog
-+++ tiff-4.0.4/ChangeLog
-@@ -1,3 +1,10 @@
-+2015-12-27 Even Rouault <even.rouault at spatialys.com>
-+
-+ * libtiff/tif_luv.c: fix potential out-of-bound writes in decode
-+ functions in non debug builds by replacing assert()s by regular if
-+ checks (bugzilla #2522).
-+ Fix potential out-of-bound reads in case of short input data.
-+
- 2015-12-26 Even Rouault <even.rouault at spatialys.com>
-
- * libtiff/tif_getimage.c: fix out-of-bound reads in TIFFRGBAImage
-Index: tiff-4.0.4/libtiff/tif_luv.c
-===================================================================
---- tiff-4.0.4.orig/libtiff/tif_luv.c
-+++ tiff-4.0.4/libtiff/tif_luv.c
-@@ -202,7 +202,11 @@ LogL16Decode(TIFF* tif, uint8* op, tmsiz
- if (sp->user_datafmt == SGILOGDATAFMT_16BIT)
- tp = (int16*) op;
- else {
-- assert(sp->tbuflen >= npixels);
-+ if(sp->tbuflen < npixels) {
-+ TIFFErrorExt(tif->tif_clientdata, module,
-+ "Translation buffer too short");
-+ return (0);
-+ }
- tp = (int16*) sp->tbuf;
- }
- _TIFFmemset((void*) tp, 0, npixels*sizeof (tp[0]));
-@@ -211,9 +215,11 @@ LogL16Decode(TIFF* tif, uint8* op, tmsiz
- cc = tif->tif_rawcc;
- /* get each byte string */
- for (shft = 2*8; (shft -= 8) >= 0; ) {
-- for (i = 0; i < npixels && cc > 0; )
-+ for (i = 0; i < npixels && cc > 0; ) {
- if (*bp >= 128) { /* run */
-- rc = *bp++ + (2-128); /* TODO: potential input buffer overrun when decoding corrupt or truncated data */
-+ if( cc < 2 )
-+ break;
-+ rc = *bp++ + (2-128);
- b = (int16)(*bp++ << shft);
- cc -= 2;
- while (rc-- && i < npixels)
-@@ -223,6 +229,7 @@ LogL16Decode(TIFF* tif, uint8* op, tmsiz
- while (--cc && rc-- && i < npixels)
- tp[i++] |= (int16)*bp++ << shft;
- }
-+ }
- if (i != npixels) {
- #if defined(__WIN32__) && (defined(_MSC_VER) || defined(__MINGW32__))
- TIFFErrorExt(tif->tif_clientdata, module,
-@@ -268,13 +275,17 @@ LogLuvDecode24(TIFF* tif, uint8* op, tms
- if (sp->user_datafmt == SGILOGDATAFMT_RAW)
- tp = (uint32 *)op;
- else {
-- assert(sp->tbuflen >= npixels);
-+ if(sp->tbuflen < npixels) {
-+ TIFFErrorExt(tif->tif_clientdata, module,
-+ "Translation buffer too short");
-+ return (0);
-+ }
- tp = (uint32 *) sp->tbuf;
- }
- /* copy to array of uint32 */
- bp = (unsigned char*) tif->tif_rawcp;
- cc = tif->tif_rawcc;
-- for (i = 0; i < npixels && cc > 0; i++) {
-+ for (i = 0; i < npixels && cc >= 3; i++) {
- tp[i] = bp[0] << 16 | bp[1] << 8 | bp[2];
- bp += 3;
- cc -= 3;
-@@ -325,7 +336,11 @@ LogLuvDecode32(TIFF* tif, uint8* op, tms
- if (sp->user_datafmt == SGILOGDATAFMT_RAW)
- tp = (uint32*) op;
- else {
-- assert(sp->tbuflen >= npixels);
-+ if(sp->tbuflen < npixels) {
-+ TIFFErrorExt(tif->tif_clientdata, module,
-+ "Translation buffer too short");
-+ return (0);
-+ }
- tp = (uint32*) sp->tbuf;
- }
- _TIFFmemset((void*) tp, 0, npixels*sizeof (tp[0]));
-@@ -334,11 +349,13 @@ LogLuvDecode32(TIFF* tif, uint8* op, tms
- cc = tif->tif_rawcc;
- /* get each byte string */
- for (shft = 4*8; (shft -= 8) >= 0; ) {
-- for (i = 0; i < npixels && cc > 0; )
-+ for (i = 0; i < npixels && cc > 0; ) {
- if (*bp >= 128) { /* run */
-+ if( cc < 2 )
-+ break;
- rc = *bp++ + (2-128);
- b = (uint32)*bp++ << shft;
-- cc -= 2; /* TODO: potential input buffer overrun when decoding corrupt or truncated data */
-+ cc -= 2;
- while (rc-- && i < npixels)
- tp[i++] |= b;
- } else { /* non-run */
-@@ -346,6 +363,7 @@ LogLuvDecode32(TIFF* tif, uint8* op, tms
- while (--cc && rc-- && i < npixels)
- tp[i++] |= (uint32)*bp++ << shft;
- }
-+ }
- if (i != npixels) {
- #if defined(__WIN32__) && (defined(_MSC_VER) || defined(__MINGW32__))
- TIFFErrorExt(tif->tif_clientdata, module,
-@@ -413,6 +431,7 @@ LogLuvDecodeTile(TIFF* tif, uint8* bp, t
- static int
- LogL16Encode(TIFF* tif, uint8* bp, tmsize_t cc, uint16 s)
- {
-+ static const char module[] = "LogL16Encode";
- LogLuvState* sp = EncoderState(tif);
- int shft;
- tmsize_t i;
-@@ -433,7 +452,11 @@ LogL16Encode(TIFF* tif, uint8* bp, tmsiz
- tp = (int16*) bp;
- else {
- tp = (int16*) sp->tbuf;
-- assert(sp->tbuflen >= npixels);
-+ if(sp->tbuflen < npixels) {
-+ TIFFErrorExt(tif->tif_clientdata, module,
-+ "Translation buffer too short");
-+ return (0);
-+ }
- (*sp->tfunc)(sp, bp, npixels);
- }
- /* compress each byte string */
-@@ -506,6 +529,7 @@ LogL16Encode(TIFF* tif, uint8* bp, tmsiz
- static int
- LogLuvEncode24(TIFF* tif, uint8* bp, tmsize_t cc, uint16 s)
- {
-+ static const char module[] = "LogLuvEncode24";
- LogLuvState* sp = EncoderState(tif);
- tmsize_t i;
- tmsize_t npixels;
-@@ -521,7 +545,11 @@ LogLuvEncode24(TIFF* tif, uint8* bp, tms
- tp = (uint32*) bp;
- else {
- tp = (uint32*) sp->tbuf;
-- assert(sp->tbuflen >= npixels);
-+ if(sp->tbuflen < npixels) {
-+ TIFFErrorExt(tif->tif_clientdata, module,
-+ "Translation buffer too short");
-+ return (0);
-+ }
- (*sp->tfunc)(sp, bp, npixels);
- }
- /* write out encoded pixels */
-@@ -553,6 +581,7 @@ LogLuvEncode24(TIFF* tif, uint8* bp, tms
- static int
- LogLuvEncode32(TIFF* tif, uint8* bp, tmsize_t cc, uint16 s)
- {
-+ static const char module[] = "LogLuvEncode32";
- LogLuvState* sp = EncoderState(tif);
- int shft;
- tmsize_t i;
-@@ -574,7 +603,11 @@ LogLuvEncode32(TIFF* tif, uint8* bp, tms
- tp = (uint32*) bp;
- else {
- tp = (uint32*) sp->tbuf;
-- assert(sp->tbuflen >= npixels);
-+ if(sp->tbuflen < npixels) {
-+ TIFFErrorExt(tif->tif_clientdata, module,
-+ "Translation buffer too short");
-+ return (0);
-+ }
- (*sp->tfunc)(sp, bp, npixels);
- }
- /* compress each byte string */
generated by cgit 1.2.3-korg (git 2.39.0) at 2024-04-19 03:38:04 +0000