From 8ff4f2f51a6cf07fc33742ce3bee81328896e49b Mon Sep 17 00:00:00 2001 From: Patrick J Volkerding Date: Fri, 25 May 2018 23:29:36 +0000 Subject: Fri May 25 23:29:36 UTC 2018 patches/packages/glibc-zoneinfo-2018e-noarch-2_slack14.1.txz: Rebuilt. Handle removal of US/Pacific-New timezone. If we see that the machine is using this, it will be automatically switched to US/Pacific. --- ...-overflow-protection-for-non-generated-re.patch | 226 +++++++++++++++++++++ 1 file changed, 226 insertions(+) create mode 100644 patches/source/xorg-server/patch/xorg-server/0024-glx-Integer-overflow-protection-for-non-generated-re.patch (limited to 'patches/source/xorg-server/patch/xorg-server/0024-glx-Integer-overflow-protection-for-non-generated-re.patch') diff --git a/patches/source/xorg-server/patch/xorg-server/0024-glx-Integer-overflow-protection-for-non-generated-re.patch b/patches/source/xorg-server/patch/xorg-server/0024-glx-Integer-overflow-protection-for-non-generated-re.patch new file mode 100644 index 000000000..d8dfa82a2 --- /dev/null +++ b/patches/source/xorg-server/patch/xorg-server/0024-glx-Integer-overflow-protection-for-non-generated-re.patch @@ -0,0 +1,226 @@ +From 47ec44325195ae0655aa12310094799c595a0da2 Mon Sep 17 00:00:00 2001 +From: Adam Jackson +Date: Mon, 10 Nov 2014 12:13:42 -0500 +Subject: [PATCH 24/31] glx: Integer overflow protection for non-generated + render requests (v3) [CVE-2014-8093 5/6] + +v2: +Fix constants in __glXMap2fReqSize (Michal Srb) +Validate w/h/d for proxy targets too (Keith Packard) + +v3: +Fix Map[12]Size to correctly reject order == 0 (Julien Cristau) + +Reviewed-by: Keith Packard +Reviewed-by: Michal Srb +Reviewed-by: Andy Ritger +Signed-off-by: Adam Jackson +Signed-off-by: Alan Coopersmith +Signed-off-by: Fedora X Ninjas +--- + glx/rensize.c | 77 +++++++++++++++++++++++++++++++---------------------------- + 1 file changed, 41 insertions(+), 36 deletions(-) + +diff --git a/glx/rensize.c b/glx/rensize.c +index 10f76bc..6ee0f9c 100644 +--- a/glx/rensize.c ++++ b/glx/rensize.c +@@ -43,19 +43,11 @@ + (((a & 0xff000000U)>>24) | ((a & 0xff0000U)>>8) | \ + ((a & 0xff00U)<<8) | ((a & 0xffU)<<24)) + +-static int +-Map1Size(GLint k, GLint order) +-{ +- if (order <= 0 || k < 0) +- return -1; +- return k * order; +-} +- + int + __glXMap1dReqSize(const GLbyte * pc, Bool swap) + { + GLenum target; +- GLint order, k; ++ GLint order; + + target = *(GLenum *) (pc + 16); + order = *(GLint *) (pc + 20); +@@ -63,15 +55,16 @@ __glXMap1dReqSize(const GLbyte * pc, Bool swap) + target = SWAPL(target); + order = SWAPL(order); + } +- k = __glMap1d_size(target); +- return 8 * Map1Size(k, order); ++ if (order < 1) ++ return -1; ++ return safe_mul(8, safe_mul(__glMap1d_size(target), order)); + } + + int + __glXMap1fReqSize(const GLbyte * pc, Bool swap) + { + GLenum target; +- GLint order, k; ++ GLint order; + + target = *(GLenum *) (pc + 0); + order = *(GLint *) (pc + 12); +@@ -79,23 +72,24 @@ __glXMap1fReqSize(const GLbyte * pc, Bool swap) + target = SWAPL(target); + order = SWAPL(order); + } +- k = __glMap1f_size(target); +- return 4 * Map1Size(k, order); ++ if (order < 1) ++ return -1; ++ return safe_mul(4, safe_mul(__glMap1f_size(target), order)); + } + + static int + Map2Size(int k, int majorOrder, int minorOrder) + { +- if (majorOrder <= 0 || minorOrder <= 0 || k < 0) ++ if (majorOrder < 1 || minorOrder < 1) + return -1; +- return k * majorOrder * minorOrder; ++ return safe_mul(k, safe_mul(majorOrder, minorOrder)); + } + + int + __glXMap2dReqSize(const GLbyte * pc, Bool swap) + { + GLenum target; +- GLint uorder, vorder, k; ++ GLint uorder, vorder; + + target = *(GLenum *) (pc + 32); + uorder = *(GLint *) (pc + 36); +@@ -105,15 +99,14 @@ __glXMap2dReqSize(const GLbyte * pc, Bool swap) + uorder = SWAPL(uorder); + vorder = SWAPL(vorder); + } +- k = __glMap2d_size(target); +- return 8 * Map2Size(k, uorder, vorder); ++ return safe_mul(8, Map2Size(__glMap2d_size(target), uorder, vorder)); + } + + int + __glXMap2fReqSize(const GLbyte * pc, Bool swap) + { + GLenum target; +- GLint uorder, vorder, k; ++ GLint uorder, vorder; + + target = *(GLenum *) (pc + 0); + uorder = *(GLint *) (pc + 12); +@@ -123,8 +116,7 @@ __glXMap2fReqSize(const GLbyte * pc, Bool swap) + uorder = SWAPL(uorder); + vorder = SWAPL(vorder); + } +- k = __glMap2f_size(target); +- return 4 * Map2Size(k, uorder, vorder); ++ return safe_mul(4, Map2Size(__glMap2f_size(target), uorder, vorder)); + } + + /** +@@ -175,14 +167,16 @@ __glXImageSize(GLenum format, GLenum type, GLenum target, + GLint bytesPerElement, elementsPerGroup, groupsPerRow; + GLint groupSize, rowSize, padding, imageSize; + ++ if (w == 0 || h == 0 || d == 0) ++ return 0; ++ + if (w < 0 || h < 0 || d < 0 || + (type == GL_BITMAP && + (format != GL_COLOR_INDEX && format != GL_STENCIL_INDEX))) { + return -1; + } +- if (w == 0 || h == 0 || d == 0) +- return 0; + ++ /* proxy targets have no data */ + switch (target) { + case GL_PROXY_TEXTURE_1D: + case GL_PROXY_TEXTURE_2D: +@@ -199,6 +193,12 @@ __glXImageSize(GLenum format, GLenum type, GLenum target, + return 0; + } + ++ /* real data has to have real sizes */ ++ if (imageHeight < 0 || rowLength < 0 || skipImages < 0 || skipRows < 0) ++ return -1; ++ if (alignment != 1 && alignment != 2 && alignment != 4 && alignment != 8) ++ return -1; ++ + if (type == GL_BITMAP) { + if (rowLength > 0) { + groupsPerRow = rowLength; +@@ -207,11 +207,14 @@ __glXImageSize(GLenum format, GLenum type, GLenum target, + groupsPerRow = w; + } + rowSize = bits_to_bytes(groupsPerRow); ++ if (rowSize < 0) ++ return -1; + padding = (rowSize % alignment); + if (padding) { + rowSize += alignment - padding; + } +- return ((h + skipRows) * rowSize); ++ ++ return safe_mul(safe_add(h, skipRows), rowSize); + } + else { + switch (format) { +@@ -303,6 +306,7 @@ __glXImageSize(GLenum format, GLenum type, GLenum target, + default: + return -1; + } ++ /* known safe by the switches above, not checked */ + groupSize = bytesPerElement * elementsPerGroup; + if (rowLength > 0) { + groupsPerRow = rowLength; +@@ -310,18 +314,21 @@ __glXImageSize(GLenum format, GLenum type, GLenum target, + else { + groupsPerRow = w; + } +- rowSize = groupsPerRow * groupSize; ++ ++ if ((rowSize = safe_mul(groupsPerRow, groupSize)) < 0) ++ return -1; + padding = (rowSize % alignment); + if (padding) { + rowSize += alignment - padding; + } +- if (imageHeight > 0) { +- imageSize = (imageHeight + skipRows) * rowSize; +- } +- else { +- imageSize = (h + skipRows) * rowSize; +- } +- return ((d + skipImages) * imageSize); ++ ++ if (imageHeight > 0) ++ h = imageHeight; ++ h = safe_add(h, skipRows); ++ ++ imageSize = safe_mul(h, rowSize); ++ ++ return safe_mul(safe_add(d, skipImages), imageSize); + } + } + +@@ -445,9 +452,7 @@ __glXSeparableFilter2DReqSize(const GLbyte * pc, Bool swap) + /* XXX Should rowLength be used for either or both image? */ + image1size = __glXImageSize(format, type, 0, w, 1, 1, + 0, rowLength, 0, 0, alignment); +- image1size = __GLX_PAD(image1size); + image2size = __glXImageSize(format, type, 0, h, 1, 1, + 0, rowLength, 0, 0, alignment); +- return image1size + image2size; +- ++ return safe_add(safe_pad(image1size), image2size); + } +-- +1.9.3 + -- cgit v1.2.3