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File CVE-2014-3487.patch of Package php-5.3.28
From 25b1dc917a53787dbb2532721ca22f3f36eb13c0 Mon Sep 17 00:00:00 2001 From: Remi Collet <remi@php.net> Date: Tue, 10 Jun 2014 14:33:37 +0200 Subject: [PATCH] Fixed Bug #67413 fileinfo: cdf_read_property_info insufficient boundary chec Upstream: https://github.com/file/file/commit/93e063ee374b6a75729df9e7201fb511e47e259d Adapted for C standard. --- ext/fileinfo/libmagic/cdf.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/ext/fileinfo/libmagic/cdf.c b/ext/fileinfo/libmagic/cdf.c index ee467a6..429f3b9 100644 --- a/ext/fileinfo/libmagic/cdf.c +++ b/ext/fileinfo/libmagic/cdf.c @@ -812,7 +812,11 @@ cdf_read_property_info(const cdf_stream_t *sst, const cdf_header_t *h, if (cdf_check_stream_offset(sst, h, e, 0, __LINE__) == -1) goto out; for (i = 0; i < sh.sh_properties; i++) { - size_t ofs = CDF_GETUINT32(p, (i << 1) + 1); + size_t ofs, tail = (i << 1) + 1; + if (cdf_check_stream_offset(sst, h, p, tail * sizeof(uint32_t), + __LINE__) == -1) + goto out; + ofs = CDF_GETUINT32(p, tail); q = (const uint8_t *)(const void *) ((const char *)(const void *)p + ofs - 2 * sizeof(uint32_t)); -- 1.9.3