From 371b1775733f7c187f0e7384842bf17061c7821d Mon Sep 17 00:00:00 2001 From: "A. Wilcox" Date: Thu, 3 Oct 2019 16:20:46 +0000 Subject: user/libgd: secfixes (#159) --- user/libgd/APKBUILD | 22 +++- user/libgd/CVE-2018-1000222.patch | 73 +++++++++++++ user/libgd/CVE-2018-5711.patch | 61 +++++++++++ user/libgd/CVE-2019-6977.patch | 21 ++++ user/libgd/CVE-2019-6978.patch | 216 ++++++++++++++++++++++++++++++++++++++ 5 files changed, 388 insertions(+), 5 deletions(-) create mode 100644 user/libgd/CVE-2018-1000222.patch create mode 100644 user/libgd/CVE-2018-5711.patch create mode 100644 user/libgd/CVE-2019-6977.patch create mode 100644 user/libgd/CVE-2019-6978.patch (limited to 'user') diff --git a/user/libgd/APKBUILD b/user/libgd/APKBUILD index 13f07cfe0..27de81126 100644 --- a/user/libgd/APKBUILD +++ b/user/libgd/APKBUILD @@ -2,7 +2,7 @@ # Maintainer: pkgname=libgd pkgver=2.2.5 -pkgrel=0 +pkgrel=1 pkgdesc="Library for dynamic image creation" url="http://libgd.github.io/" arch="all" @@ -15,10 +15,20 @@ subpackages="$pkgname-dev" replaces="gd" source="https://github.com/$pkgname/$pkgname/releases/download/gd-$pkgver/$pkgname-$pkgver.tar.xz CVE-2016-7568.patch + CVE-2018-5711.patch + CVE-2018-1000222.patch + CVE-2019-6977.patch + CVE-2019-6978.patch " +# secfixes: +# 2.2.5-r1: +# - CVE-2018-5711 +# - CVE-2018-1000222 +# - CVE-2019-6977 +# - CVE-2019-6978 + build() { - cd "$builddir" ./configure \ --build=$CBUILD \ --host=$CHOST \ @@ -31,12 +41,10 @@ build() { } check() { - cd "$builddir" make check } package() { - cd "$builddir" make DESTDIR="$pkgdir" install } @@ -48,4 +56,8 @@ dev() { } sha512sums="e4598e17a277a75e02255402182cab139cb3f2cffcd68ec05cc10bbeaf6bc7aa39162c3445cd4a7efc1a26b72b9152bbedb187351e3ed099ea51767319997a6b libgd-2.2.5.tar.xz -8310d11a2398e8617c9defc4500b9ce3897ac1026002ffa36000f1d1f8df19336005e8c1f6587533f1d787a4a54d7a3a28ad25bddbc966a018aedf4d8704a716 CVE-2016-7568.patch" +8310d11a2398e8617c9defc4500b9ce3897ac1026002ffa36000f1d1f8df19336005e8c1f6587533f1d787a4a54d7a3a28ad25bddbc966a018aedf4d8704a716 CVE-2016-7568.patch +d6577566814cbe2d93b141a4216b32acdeb2989dc1712eb137565081b913151bbb4c69911c96b2bb7c90695078a85152d368aad183de494d1283fde25021751b CVE-2018-5711.patch +d12462f1b159d50b9032435e9767a5d76e1797a88be950ed33dda7aa17005b7cb60560d04b9520e46d8111e1669d42ce28cb2c508f9c8825d545ac0335d2a10b CVE-2018-1000222.patch +df84e469515f684d79ebad163e137401627310a984ac1ae6a4d31b739b3dc6d9144f101e9bfc3211af1d7cdbaa827721d21a9fe528e69b9b60a943ec8a7ab74b CVE-2019-6977.patch +3bf31941365a878bef899afa14a89e4ad0fbfb3280d34b2118c8484698e15eff600751ae3ce146a4f006e6c21730cb18899bae3538f6cc2651025274b40cf1ca CVE-2019-6978.patch" diff --git a/user/libgd/CVE-2018-1000222.patch b/user/libgd/CVE-2018-1000222.patch new file mode 100644 index 000000000..80f9712bf --- /dev/null +++ b/user/libgd/CVE-2018-1000222.patch @@ -0,0 +1,73 @@ +From ac16bdf2d41724b5a65255d4c28fb0ec46bc42f5 Mon Sep 17 00:00:00 2001 +From: Mike Frysinger +Date: Sat, 14 Jul 2018 13:54:08 -0400 +Subject: [PATCH] bmp: check return value in gdImageBmpPtr + +Closes #447. +--- + src/gd_bmp.c | 17 ++++++++++++++--- + 1 file changed, 14 insertions(+), 3 deletions(-) + +diff --git a/src/gd_bmp.c b/src/gd_bmp.c +index bde0b9d3..78f40d9a 100644 +--- a/src/gd_bmp.c ++++ b/src/gd_bmp.c +@@ -47,6 +47,8 @@ static int bmp_read_4bit(gdImagePtr im, gdIOCtxPtr infile, bmp_info_t *info, bmp + static int bmp_read_8bit(gdImagePtr im, gdIOCtxPtr infile, bmp_info_t *info, bmp_hdr_t *header); + static int bmp_read_rle(gdImagePtr im, gdIOCtxPtr infile, bmp_info_t *info); + ++static int _gdImageBmpCtx(gdImagePtr im, gdIOCtxPtr out, int compression); ++ + #define BMP_DEBUG(s) + + static int gdBMPPutWord(gdIOCtx *out, int w) +@@ -87,8 +89,10 @@ BGD_DECLARE(void *) gdImageBmpPtr(gdImagePtr im, int *size, int compression) + void *rv; + gdIOCtx *out = gdNewDynamicCtx(2048, NULL); + if (out == NULL) return NULL; +- gdImageBmpCtx(im, out, compression); +- rv = gdDPExtractData(out, size); ++ if (!_gdImageBmpCtx(im, out, compression)) ++ rv = gdDPExtractData(out, size); ++ else ++ rv = NULL; + out->gd_free(out); + return rv; + } +@@ -141,6 +145,11 @@ BGD_DECLARE(void) gdImageBmp(gdImagePtr im, FILE *outFile, int compression) + compression - whether to apply RLE or not. + */ + BGD_DECLARE(void) gdImageBmpCtx(gdImagePtr im, gdIOCtxPtr out, int compression) ++{ ++ _gdImageBmpCtx(im, out, compression); ++} ++ ++static int _gdImageBmpCtx(gdImagePtr im, gdIOCtxPtr out, int compression) + { + int bitmap_size = 0, info_size, total_size, padding; + int i, row, xpos, pixel; +@@ -148,6 +157,7 @@ BGD_DECLARE(void) gdImageBmpCtx(gdImagePtr im, gdIOCtxPtr out, int compression) + unsigned char *uncompressed_row = NULL, *uncompressed_row_start = NULL; + FILE *tmpfile_for_compression = NULL; + gdIOCtxPtr out_original = NULL; ++ int ret = 1; + + /* No compression if its true colour or we don't support seek */ + if (im->trueColor) { +@@ -325,6 +335,7 @@ BGD_DECLARE(void) gdImageBmpCtx(gdImagePtr im, gdIOCtxPtr out, int compression) + out_original = NULL; + } + ++ ret = 0; + cleanup: + if (tmpfile_for_compression) { + #ifdef _WIN32 +@@ -338,7 +349,7 @@ BGD_DECLARE(void) gdImageBmpCtx(gdImagePtr im, gdIOCtxPtr out, int compression) + if (out_original) { + out_original->gd_free(out_original); + } +- return; ++ return ret; + } + + static int compress_row(unsigned char *row, int length) diff --git a/user/libgd/CVE-2018-5711.patch b/user/libgd/CVE-2018-5711.patch new file mode 100644 index 000000000..dff2b9ea2 --- /dev/null +++ b/user/libgd/CVE-2018-5711.patch @@ -0,0 +1,61 @@ +From a11f47475e6443b7f32d21f2271f28f417e2ac04 Mon Sep 17 00:00:00 2001 +From: "Christoph M. Becker" +Date: Wed, 29 Nov 2017 19:37:38 +0100 +Subject: [PATCH] Fix #420: Potential infinite loop in gdImageCreateFromGifCtx + +Due to a signedness confusion in `GetCode_` a corrupt GIF file can +trigger an infinite loop. Furthermore we make sure that a GIF without +any palette entries is treated as invalid *after* open palette entries +have been removed. + +CVE-2018-5711 + +See also https://bugs.php.net/bug.php?id=75571. +--- + src/gd_gif_in.c | 12 ++++++------ + tests/gif/.gitignore | 1 + + tests/gif/CMakeLists.txt | 1 + + tests/gif/Makemodule.am | 2 ++ + tests/gif/php_bug_75571.c | 28 ++++++++++++++++++++++++++++ + tests/gif/php_bug_75571.gif | Bin 0 -> 1731 bytes + 6 files changed, 38 insertions(+), 6 deletions(-) + create mode 100644 tests/gif/php_bug_75571.c + create mode 100644 tests/gif/php_bug_75571.gif + +diff --git a/src/gd_gif_in.c b/src/gd_gif_in.c +index daf26e79..0a8bd717 100644 +--- a/src/gd_gif_in.c ++++ b/src/gd_gif_in.c +@@ -335,11 +335,6 @@ BGD_DECLARE(gdImagePtr) gdImageCreateFromGifCtx(gdIOCtxPtr fd) + return 0; + } + +- if(!im->colorsTotal) { +- gdImageDestroy(im); +- return 0; +- } +- + /* Check for open colors at the end, so + * we can reduce colorsTotal and ultimately + * BitsPerPixel */ +@@ -351,6 +346,11 @@ BGD_DECLARE(gdImagePtr) gdImageCreateFromGifCtx(gdIOCtxPtr fd) + } + } + ++ if(!im->colorsTotal) { ++ gdImageDestroy(im); ++ return 0; ++ } ++ + return im; + } + +@@ -447,7 +447,7 @@ static int + GetCode_(gdIOCtx *fd, CODE_STATIC_DATA *scd, int code_size, int flag, int *ZeroDataBlockP) + { + int i, j, ret; +- unsigned char count; ++ int count; + + if(flag) { + scd->curbit = 0; diff --git a/user/libgd/CVE-2019-6977.patch b/user/libgd/CVE-2019-6977.patch new file mode 100644 index 000000000..4cfb9ab98 --- /dev/null +++ b/user/libgd/CVE-2019-6977.patch @@ -0,0 +1,21 @@ +Bug: https://bts.adelielinux.org/show_bug.cgi?id=159 +Backported-From: http://git.php.net/?p=php-src.git;a=commit;h=7a12dad4dd6c370835b13afae214b240082c7538 +Author: A. Wilcox +Bug: https://bugs.php.net/bug.php?id=77270 +Author: Christoph M. Becker +Committer: Stanislav Malyshev +Upstream-Status: unknown + +--- libgd-2.2.5/src/gd_color_match.c.old 2017-08-30 11:05:54.000000000 +0000 ++++ libgd-2.2.5/src/gd_color_match.c 2019-10-03 16:17:55.842322245 +0000 +@@ -31,8 +31,8 @@ + return -4; /* At least 1 color must be allocated */ + } + +- buf = (unsigned long *)gdMalloc(sizeof(unsigned long) * 5 * im2->colorsTotal); +- memset (buf, 0, sizeof(unsigned long) * 5 * im2->colorsTotal ); ++ buf = (unsigned long *)gdMalloc(sizeof(unsigned long) * 5 * gdMaxColors); ++ memset( buf, 0, sizeof(unsigned long) * 5 * gdMaxColors ); + + for (x=0; x < im1->sx; x++) { + for( y=0; ysy; y++ ) { diff --git a/user/libgd/CVE-2019-6978.patch b/user/libgd/CVE-2019-6978.patch new file mode 100644 index 000000000..0cfdda919 --- /dev/null +++ b/user/libgd/CVE-2019-6978.patch @@ -0,0 +1,216 @@ +From 553702980ae89c83f2d6e254d62cf82e204956d0 Mon Sep 17 00:00:00 2001 +From: "Christoph M. Becker" +Date: Thu, 17 Jan 2019 11:54:55 +0100 +Subject: [PATCH] Fix #492: Potential double-free in gdImage*Ptr() + +Whenever `gdImage*Ptr()` calls `gdImage*Ctx()` and the latter fails, we +must not call `gdDPExtractData()`; otherwise a double-free would +happen. Since `gdImage*Ctx()` are void functions, and we can't change +that for BC reasons, we're introducing static helpers which are used +internally. + +We're adding a regression test for `gdImageJpegPtr()`, but not for +`gdImageGifPtr()` and `gdImageWbmpPtr()` since we don't know how to +trigger failure of the respective `gdImage*Ctx()` calls. + +This potential security issue has been reported by Solmaz Salimi (aka. +Rooney). +--- + src/gd_gif_out.c | 18 +++++++++++++++--- + src/gd_jpeg.c | 20 ++++++++++++++++---- + src/gd_wbmp.c | 21 ++++++++++++++++++--- + tests/jpeg/.gitignore | 1 + + tests/jpeg/CMakeLists.txt | 1 + + tests/jpeg/Makemodule.am | 3 ++- + tests/jpeg/jpeg_ptr_double_free.c | 31 +++++++++++++++++++++++++++++++ + 7 files changed, 84 insertions(+), 11 deletions(-) + create mode 100644 tests/jpeg/jpeg_ptr_double_free.c + +diff --git a/src/gd_gif_out.c b/src/gd_gif_out.c +index 298a5812..d5a95346 100644 +--- a/src/gd_gif_out.c ++++ b/src/gd_gif_out.c +@@ -99,6 +99,7 @@ static void char_init(GifCtx *ctx); + static void char_out(int c, GifCtx *ctx); + static void flush_char(GifCtx *ctx); + ++static int _gdImageGifCtx(gdImagePtr im, gdIOCtxPtr out); + + + +@@ -131,8 +132,11 @@ BGD_DECLARE(void *) gdImageGifPtr(gdImagePtr im, int *size) + void *rv; + gdIOCtx *out = gdNewDynamicCtx(2048, NULL); + if (out == NULL) return NULL; +- gdImageGifCtx(im, out); +- rv = gdDPExtractData(out, size); ++ if (!_gdImageGifCtx(im, out)) { ++ rv = gdDPExtractData(out, size); ++ } else { ++ rv = NULL; ++ } + out->gd_free(out); + return rv; + } +@@ -220,6 +224,12 @@ BGD_DECLARE(void) gdImageGif(gdImagePtr im, FILE *outFile) + + */ + BGD_DECLARE(void) gdImageGifCtx(gdImagePtr im, gdIOCtxPtr out) ++{ ++ _gdImageGifCtx(im, out); ++} ++ ++/* returns 0 on success, 1 on failure */ ++static int _gdImageGifCtx(gdImagePtr im, gdIOCtxPtr out) + { + gdImagePtr pim = 0, tim = im; + int interlace, BitsPerPixel; +@@ -231,7 +241,7 @@ BGD_DECLARE(void) gdImageGifCtx(gdImagePtr im, gdIOCtxPtr out) + based temporary image. */ + pim = gdImageCreatePaletteFromTrueColor(im, 1, 256); + if(!pim) { +- return; ++ return 1; + } + tim = pim; + } +@@ -247,6 +257,8 @@ BGD_DECLARE(void) gdImageGifCtx(gdImagePtr im, gdIOCtxPtr out) + /* Destroy palette based temporary image. */ + gdImageDestroy( pim); + } ++ ++ return 0; + } + + +diff --git a/src/gd_jpeg.c b/src/gd_jpeg.c +index fc058420..96ef4302 100644 +--- a/src/gd_jpeg.c ++++ b/src/gd_jpeg.c +@@ -123,6 +123,8 @@ static void fatal_jpeg_error(j_common_ptr cinfo) + exit(99); + } + ++static int _gdImageJpegCtx(gdImagePtr im, gdIOCtx *outfile, int quality); ++ + /* + * Write IM to OUTFILE as a JFIF-formatted JPEG image, using quality + * QUALITY. If QUALITY is in the range 0-100, increasing values +@@ -237,8 +239,11 @@ BGD_DECLARE(void *) gdImageJpegPtr(gdImagePtr im, int *size, int quality) + void *rv; + gdIOCtx *out = gdNewDynamicCtx(2048, NULL); + if (out == NULL) return NULL; +- gdImageJpegCtx(im, out, quality); +- rv = gdDPExtractData(out, size); ++ if (!_gdImageJpegCtx(im, out, quality)) { ++ rv = gdDPExtractData(out, size); ++ } else { ++ rv = NULL; ++ } + out->gd_free(out); + return rv; + } +@@ -259,6 +264,12 @@ void jpeg_gdIOCtx_dest(j_compress_ptr cinfo, gdIOCtx *outfile); + + */ + BGD_DECLARE(void) gdImageJpegCtx(gdImagePtr im, gdIOCtx *outfile, int quality) ++{ ++ _gdImageJpegCtx(im, outfile, quality); ++} ++ ++/* returns 0 on success, 1 on failure */ ++static int _gdImageJpegCtx(gdImagePtr im, gdIOCtx *outfile, int quality) + { + struct jpeg_compress_struct cinfo; + struct jpeg_error_mgr jerr; +@@ -293,7 +304,7 @@ BGD_DECLARE(void) gdImageJpegCtx(gdImagePtr im, gdIOCtx *outfile, int quality) + if(row) { + gdFree(row); + } +- return; ++ return 1; + } + + cinfo.err->emit_message = jpeg_emit_message; +@@ -334,7 +345,7 @@ BGD_DECLARE(void) gdImageJpegCtx(gdImagePtr im, gdIOCtx *outfile, int quality) + if(row == 0) { + gd_error("gd-jpeg: error: unable to allocate JPEG row structure: gdCalloc returns NULL\n"); + jpeg_destroy_compress(&cinfo); +- return; ++ return 1; + } + + rowptr[0] = row; +@@ -411,6 +424,7 @@ BGD_DECLARE(void) gdImageJpegCtx(gdImagePtr im, gdIOCtx *outfile, int quality) + jpeg_finish_compress(&cinfo); + jpeg_destroy_compress(&cinfo); + gdFree(row); ++ return 0; + } + + +diff --git a/src/gd_wbmp.c b/src/gd_wbmp.c +index f19a1c96..a49bdbec 100644 +--- a/src/gd_wbmp.c ++++ b/src/gd_wbmp.c +@@ -88,6 +88,8 @@ int gd_getin(void *in) + return (gdGetC((gdIOCtx *)in)); + } + ++static int _gdImageWBMPCtx(gdImagePtr image, int fg, gdIOCtx *out); ++ + /* + Function: gdImageWBMPCtx + +@@ -100,6 +102,12 @@ int gd_getin(void *in) + out - the stream where to write + */ + BGD_DECLARE(void) gdImageWBMPCtx(gdImagePtr image, int fg, gdIOCtx *out) ++{ ++ _gdImageWBMPCtx(image, fg, out); ++} ++ ++/* returns 0 on success, 1 on failure */ ++static int _gdImageWBMPCtx(gdImagePtr image, int fg, gdIOCtx *out) + { + int x, y, pos; + Wbmp *wbmp; +@@ -107,7 +115,7 @@ BGD_DECLARE(void) gdImageWBMPCtx(gdImagePtr image, int fg, gdIOCtx *out) + /* create the WBMP */ + if((wbmp = createwbmp(gdImageSX(image), gdImageSY(image), WBMP_WHITE)) == NULL) { + gd_error("Could not create WBMP\n"); +- return; ++ return 1; + } + + /* fill up the WBMP structure */ +@@ -123,11 +131,15 @@ BGD_DECLARE(void) gdImageWBMPCtx(gdImagePtr image, int fg, gdIOCtx *out) + + /* write the WBMP to a gd file descriptor */ + if(writewbmp(wbmp, &gd_putout, out)) { ++ freewbmp(wbmp); + gd_error("Could not save WBMP\n"); ++ return 1; + } + + /* des submitted this bugfix: gdFree the memory. */ + freewbmp(wbmp); ++ ++ return 0; + } + + /* +@@ -271,8 +283,11 @@ BGD_DECLARE(void *) gdImageWBMPPtr(gdImagePtr im, int *size, int fg) + void *rv; + gdIOCtx *out = gdNewDynamicCtx(2048, NULL); + if (out == NULL) return NULL; +- gdImageWBMPCtx(im, fg, out); +- rv = gdDPExtractData(out, size); ++ if (!_gdImageWBMPCtx(im, fg, out)) { ++ rv = gdDPExtractData(out, size); ++ } else { ++ rv = NULL; ++ } + out->gd_free(out); + return rv; + } -- cgit v1.2.3-60-g2f50