Mercurial > vim
view src/testdir/dumps/Test_prop_below_split_line_3.dump @ 33863:3b8089d550eb v9.0.2141
patch 9.0.2141: [security]: buffer-overflow in suggest_trie_walk
Commit: https://github.com/vim/vim/commit/0fb375aae608d7306b4baf9c1f906961f32e2abf
Author: Christian Brabandt <cb@256bit.org>
Date: Wed Nov 29 10:23:39 2023 +0100
patch 9.0.2141: [security]: buffer-overflow in suggest_trie_walk
Problem: [security]: buffer-overflow in suggest_trie_walk
Solution: Check n before using it as index into byts array
Basically, n as an index into the byts array, can point to beyond the byts
array. So let's double check, that n is within the expected range after
incrementing it from sp->ts_curi and bail out if it would be invalid.
Reported by @henices, thanks!
Signed-off-by: Christian Brabandt <cb@256bit.org>
author | Christian Brabandt <cb@256bit.org> |
---|---|
date | Sun, 10 Dec 2023 15:16:03 +0100 |
parents | 748b8dcfba57 |
children |
line wrap: on
line source
| +0#af5f00255#ffffff0@1|1| |o+0#0000000&|n|e| |o|n|e| |o|n|e| @59 | +0#af5f00255&@1|2| |t+0#0000000&|w|o| |t|w|o| |t|w|o| @59 | +0#af5f00255&@3| +0#0000000&@2|└+0&#ffff4012|─| |V|i|r|t|u|a|l| |t|e|x|t| |b|e|l|o|w| |t|h|e| |2|n|d| |l|i|n|e| +0&#ffffff0@33 | +0#af5f00255&@1|3| |x+0#0000000&>x| @68 | +0#af5f00255&@1|4| |t+0#0000000&|h|r|e@1| |t|h|r|e@1| |t|h|r|e@1| @53 |~+0#4040ff13&| @73 |~| @73 |:+0#0000000&|s|e|t| |n|o|w|r|a|p| @45|3|,|2| @10|A|l@1|