imports/imhex
1
0
Fork 0
mirror of https://github.com/WerWolv/ImHex.git synced 2026-04-03 05:57:40 -05:00
Code Issues Packages Projects Releases Wiki Activity

fix: Out of bounds read with a zero-size file

Browse Source
This commit is contained in:
WerWolv
2023-11-11 23:11:34 +01:00
parent 7f35d81722
commit 1c8af096de
2 changed files with 4 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
plugins/builtin/source/content/providers/file_provider.cpp
View File

@@ -64,7 +64,8 @@ namespace hex::plugin::builtin {
}
void FileProvider::readRaw(u64 offset, void *buffer, size_t size) {
if (offset > (this->getActualSize() - size) || buffer == nullptr || size == 0)
auto actualSize = this->getActualSize();
if (actualSize == 0 || (offset + size) > actualSize || buffer == nullptr || size == 0)
return;
std::memcpy(buffer, this->m_file.getMapping() + offset, size);