Comment on MongoBleed explained simply | MongoDB exploit
qaz@lemmy.world 2 weeks agoDoesn’t that make it slower because it needs to zero out all the bytes first?
Comment on MongoBleed explained simply | MongoDB exploit
qaz@lemmy.world 2 weeks agoDoesn’t that make it slower because it needs to zero out all the bytes first?
rothaine@lemmy.zip 2 weeks ago
My understanding is that it’s only slightly slower: the OS maintains a pool of zeroed pages anyway, so it’s not like your program has to iterate over all the addresses and write to them.
But it’s been a long time since I’ve done any C/C++ so I could be wrong.
qaz@lemmy.world 2 weeks ago
TIL, I didn’t know that.