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Merging r6555 from branch releases/1.8 to trunk

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- Fixing buffer ovverread in CXMeshFileLoader (sfan5 patch)


git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@6556 dfc29bdd-3216-0410-991c-e03cc46cb475
This commit is contained in:
cutealien 2023-10-03 15:21:39 +00:00
parent b6e9202272
commit 857c75f37d
2 changed files with 4 additions and 1 deletions
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2
changes.txt
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@ -400,6 +400,8 @@ Changes in 1.9 (not yet released)
--------------------------
Changes in 1.8.6
- CXMeshFileLoader: fix buffer overreads with text format. Thanks @sfan5 for report and patch.
Patch (commit 6f4f7c4 to Minetest): https://github.com/minetest/irrlicht/commit/6f4f7c4d75c9d563e98d3936ed8bc6e248dc14a8
- Fix CB3DMeshFileLoader::readString. Prevent adding a character beyond file-end. Thanks @sfan5 for report and patch.
Original patch (commit 103ab16 to Minetest): https://github.com/minetest/irrlicht/commit/103ab16679a42cb1bfa4cc4e6316195ec2d139b6
- CB3DMeshFileLoader: add some bounds checks. Thanks @sfan5 for report and patch.

3
source/Irrlicht/CXMeshFileLoader.cpp
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@ -408,7 +408,8 @@ bool CXMeshFileLoader::readFileIntoMemory(io::IReadFile* file)
return false;
}
Buffer = new c8[size];
Buffer = new c8[size+1];
Buffer[size] = 0x0; // null-terminate (thx @ sfan5)
//! read all into memory
if (file->read(Buffer, size) != static_cast<size_t>(size))