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SUSE:SLE-15-SP4:Update
exiv2-0_26.26338
CVE-2019-14368.patch
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File CVE-2019-14368.patch of Package exiv2-0_26.26338
From bd0afe0390439b2c424d881c8c6eb0c5624e31d9 Mon Sep 17 00:00:00 2001 From: Kevin Backhouse <kev@semmle.com> Date: Mon, 15 Jul 2019 13:30:38 +0100 Subject: [PATCH] Add bounds check to MemIo::seek(). (#944) - Add bounds check to MemIo::seek(), this fixes CVE-2019-13504 --- src/basicio.cpp | 7 +++- Index: exiv2-0.26/src/basicio.cpp =================================================================== --- exiv2-0.26.orig/src/basicio.cpp +++ exiv2-0.26/src/basicio.cpp @@ -1208,7 +1208,12 @@ namespace Exiv2 { case BasicIo::end: newIdx = p_->size_ + offset; break; } - p_->idx_ = static_cast<long>(newIdx); //not very sure about this. need more test!! - note by Shawn fly2xj@gmail.com //TODO + if (static_cast<size_t>(newIdx) > p_->size_) { + p_->eof_ = true; + return 1; + } + + p_->idx_ = static_cast<size_t>(newIdx); p_->eof_ = false; return 0; }
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