Merge pull request #915 from Zokormazo/grep

grep: Fix CVE-2015-1345 heap buffer overrun
This commit is contained in:
Jo-Philipp Wich 2015-02-17 12:54:34 +01:00
commit d24359b730
2 changed files with 16 additions and 1 deletions

View file

@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
PKG_NAME:=grep
PKG_VERSION:=2.21
PKG_RELEASE:=1
PKG_RELEASE:=2
PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
PKG_SOURCE_URL:=@GNU/grep

View file

@ -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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