grep: Fix CVE-2015-1345 heap buffer overrun

Signed-off-by: Julen Landa Alustiza <julen@zokormazo.info>
This commit is contained in:
Julen Landa Alustiza
2015-02-17 12:50:51 +01:00
committed by Jo-Philipp Wich
parent 44686f6d90
commit 01fcd1f291
2 changed files with 16 additions and 1 deletions
@@ -0,0 +1,15 @@
diff --git a/src/kwset.c b/src/kwset.c
index 4003c8d..376f7c3 100644
--- a/src/kwset.c
+++ b/src/kwset.c
@@ -643,6 +643,8 @@ bmexec_trans (kwset_t kwset, char const *text, size_t size)
if (! tp)
return -1;
tp++;
+ if (ep <= tp)
+ break;
}
}
}
--
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