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| author | Mattes D <github@xoft.cz> | 2014-12-21 22:25:01 +0100 |
|---|---|---|
| committer | Mattes D <github@xoft.cz> | 2014-12-21 22:25:01 +0100 |
| commit | e192da5316e5617a5fd597d4de9181a36b5e4c2e (patch) | |
| tree | 99d5b1aa5cd95d8a7b05626fc6e911c66a8d7ec9 /src/WorldStorage | |
| parent | cChunk: Fixed missing initialization. (diff) | |
| download | cuberite-e192da5316e5617a5fd597d4de9181a36b5e4c2e.tar cuberite-e192da5316e5617a5fd597d4de9181a36b5e4c2e.tar.gz cuberite-e192da5316e5617a5fd597d4de9181a36b5e4c2e.tar.bz2 cuberite-e192da5316e5617a5fd597d4de9181a36b5e4c2e.tar.lz cuberite-e192da5316e5617a5fd597d4de9181a36b5e4c2e.tar.xz cuberite-e192da5316e5617a5fd597d4de9181a36b5e4c2e.tar.zst cuberite-e192da5316e5617a5fd597d4de9181a36b5e4c2e.zip | |
Diffstat (limited to '')
| -rw-r--r-- | src/WorldStorage/FastNBT.cpp | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/src/WorldStorage/FastNBT.cpp b/src/WorldStorage/FastNBT.cpp index ed8e8bb14..aaef2fdfe 100644 --- a/src/WorldStorage/FastNBT.cpp +++ b/src/WorldStorage/FastNBT.cpp @@ -10,6 +10,13 @@ +/** If a list being loaded has more than this number of items, it's considered corrupted. */ +static const int MAX_LIST_ITEMS = 10000; + + + + + // The number of NBT tags that are reserved when an NBT parsing is started. // You can override this by using a cmdline define #ifndef NBT_RESERVE_SIZE @@ -142,7 +149,7 @@ bool cParsedNBT::ReadList(eTagType a_ChildrenType) NEEDBYTES(4); int Count = GetBEInt(m_Data + m_Pos); m_Pos += 4; - if (Count < 0) + if ((Count < 0) || (Count > MAX_LIST_ITEMS)) { return false; } |