Browse code
Patch libtiff for CVE-2017-17095
Change-Id: I5739dde36159b9bd4693a3babd0108377b0c6bf6
Reviewed-on: http://photon-jenkins.eng.vmware.com:8082/4789
Tested-by: gerrit-photon <photon-checkins@vmware.com>
Reviewed-by: Xiaolin Li <xiaolinl@vmware.com>
DheerajSShetty authored on 2018/02/15 07:51:22Showing 2 changed files
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new file mode 100644 |
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@@ -0,0 +1,28 @@ |
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+diff --git a/tools/pal2rgb.c b/tools/pal2rgb.c |
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+index 0423598..01fcf94 100644 |
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+--- a/tools/pal2rgb.c |
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+@@ -182,8 +182,21 @@ main(int argc, char* argv[]) |
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+ { unsigned char *ibuf, *obuf;
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+ register unsigned char* pp; |
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+ register uint32 x; |
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+- ibuf = (unsigned char*)_TIFFmalloc(TIFFScanlineSize(in)); |
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+- obuf = (unsigned char*)_TIFFmalloc(TIFFScanlineSize(out)); |
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++ tmsize_t tss_in = TIFFScanlineSize(in); |
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++ tmsize_t tss_out = TIFFScanlineSize(out); |
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++ if (tss_out / tss_in < 3) {
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++ /* |
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++ * BUG 2750: The following code does not know about chroma |
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++ * subsampling of JPEG data. It assumes that the output buffer is 3x |
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++ * the length of the input buffer due to exploding the palette into |
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++ * RGB tuples. If this assumption is incorrect, it could lead to a |
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++ * buffer overflow. Go ahead and fail now to prevent that. |
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++ */ |
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++ fprintf(stderr, "Could not determine correct image size for output. Exiting.\n"); |
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++ return -1; |
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++ } |
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++ ibuf = (unsigned char*)_TIFFmalloc(tss_in); |
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++ obuf = (unsigned char*)_TIFFmalloc(tss_out); |
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+ switch (config) {
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+ case PLANARCONFIG_CONTIG: |
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+ for (row = 0; row < imagelength; row++) {
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@@ -1,7 +1,7 @@ |
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Summary: TIFF libraries and associated utilities. |
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Name: libtiff |
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Version: 4.0.9 |
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-Release: 2%{?dist}
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+Release: 3%{?dist}
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License: libtiff |
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URL: http://www.simplesystems.org/libtiff/ |
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Group: System Environment/Libraries |
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@@ -11,6 +11,7 @@ Source0: http://download.osgeo.org/%{name}/tiff-%{version}.tar.gz
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%define sha1 tiff=87d4543579176cc568668617c22baceccd568296 |
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Patch0: libtiff-4.0.9-CVE-2017-18013.patch |
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Patch1: libtiff-4.0.9-CVE-2017-9935.patch |
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+Patch2: libtiff-4.0.9-CVE-2017-17095.patch |
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BuildRequires: libjpeg-turbo-devel |
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Requires: libjpeg-turbo |
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%description |
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@@ -27,6 +28,7 @@ It contains the libraries and header files to create applications |
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%setup -q -n tiff-%{version}
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%patch0 -p1 |
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%patch1 -p1 |
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+%patch2 -p1 |
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%build |
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%configure \ |
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--disable-static |
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@@ -60,6 +62,8 @@ make %{?_smp_mflags} -k check
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%{_datadir}/man/man3/*
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%changelog |
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+* Wed Feb 14 2018 Dheeraj Shetty <dheerajs@vmware.com> 4.0.9-3 |
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+- Patch for CVE-2017-17095 |
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* Wed Jan 31 2018 Dheeraj Shetty <dheerajs@vmware.com> 4.0.9-2 |
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- Repatched CVE-2017-9935 |
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* Wed Jan 17 2018 Dheeraj Shetty <dheerajs@vmware.com> 4.0.9-1 |