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authorPaul Pluzhnikov <ppluzhnikov@google.com>2015-03-09 07:22:36 -0700
committerPaul Pluzhnikov <ppluzhnikov@google.com>2015-03-09 07:22:36 -0700
commit5f85a4bf9460b953a35f2beae54acaa8c1310a29 (patch)
tree912e656fd117c3cffcd58aed5a1e57b79527332c /posix/wordexp.c
parent95f386609f378063b35e0c4ede8c2d2ceea91f51 (diff)
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Fix BZ #18043 (c4): buffer-overflow (read past the end) in wordexp/parse_dollars/parse_param
Diffstat (limited to 'posix/wordexp.c')
-rw-r--r--posix/wordexp.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/posix/wordexp.c b/posix/wordexp.c
index ae4fd72b82..36b6fff0db 100644
--- a/posix/wordexp.c
+++ b/posix/wordexp.c
@@ -1343,7 +1343,8 @@ parse_param (char **word, size_t *word_length, size_t *max_length,
break;
case ':':
- if (strchr ("-=?+", words[1 + *offset]) == NULL)
+ if (words[1 + *offset] == '\0'
+ || strchr ("-=?+", words[1 + *offset]) == NULL)
goto syntax;
colon_seen = 1;