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File CVE-2014-0207.patch of Package php-5.3.28 (Revision 4)
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From 4fcb9a9d1b1063a65fbeb27395de4979c75bd962 Mon Sep 17 00:00:00 2001 From: Remi Collet <remi@php.net> Date: Tue, 3 Jun 2014 11:05:00 +0200 Subject: [PATCH] Fix bug #67326 fileinfo: cdf_read_short_sector insufficient boundary check Upstream fix https://github.com/file/file/commit/6d209c1c489457397a5763bca4b28e43aac90391.patch Only revelant part applied --- ext/fileinfo/libmagic/cdf.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/ext/fileinfo/libmagic/cdf.c b/ext/fileinfo/libmagic/cdf.c index 4712e84..16649f1 100644 --- a/ext/fileinfo/libmagic/cdf.c +++ b/ext/fileinfo/libmagic/cdf.c @@ -365,10 +365,10 @@ cdf_read_short_sector(const cdf_stream_t *sst, void *buf, size_t offs, size_t ss = CDF_SHORT_SEC_SIZE(h); size_t pos = CDF_SHORT_SEC_POS(h, id); assert(ss == len); - if (pos > CDF_SEC_SIZE(h) * sst->sst_len) { + if (pos + len > CDF_SEC_SIZE(h) * sst->sst_len) { DPRINTF(("Out of bounds read %" SIZE_T_FORMAT "u > %" SIZE_T_FORMAT "u\n", - pos, CDF_SEC_SIZE(h) * sst->sst_len)); + pos + len, CDF_SEC_SIZE(h) * sst->sst_len)); return -1; } (void)memcpy(((char *)buf) + offs, -- 1.9.3