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Modified read condition in javascript normalizer

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Modified conditional statement to test for an out of bounds index before
reading from that index.
This commit is contained in:
Andy Ragusa
2022-02-15 09:38:51 -08:00
committed by Micah Snyder
parent 2e55c901b1
commit cbbdf8230c
1 changed files with 4 additions and 4 deletions
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8
libclamav/jsparse/js-norm.c
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@@ -649,9 +649,9 @@ static void handle_de(yystype *tokens, size_t start, const size_t cnt, const cha
for (j = 0; j < parameters_cnt && i < cnt; j++) {
parameters[j] = &tokens[i++];
if (j != parameters_cnt - 1)
while (tokens[i].type != TOK_COMMA && i < cnt) i++;
while (i < cnt && tokens[i].type != TOK_COMMA) i++;
else
while (tokens[i].type != TOK_PAR_CLOSE && i < cnt) i++;
while (i < cnt && tokens[i].type != TOK_PAR_CLOSE) i++;
i++;
}
if (j == parameters_cnt)
@@ -666,9 +666,9 @@ static void handle_de(yystype *tokens, size_t start, const size_t cnt, const cha
for (j = 0; j < parameters_cnt && i < cnt; j++) {
parameters[j] = &tokens[i++];
if (j != parameters_cnt - 1)
while (tokens[i].type != TOK_COMMA && i < cnt) i++;
while (i < cnt && tokens[i].type != TOK_COMMA) i++;
else
while (tokens[i].type != TOK_PAR_CLOSE && i < cnt) i++;
while (i < cnt && tokens[i].type != TOK_PAR_CLOSE) i++;
i++;
}
if (j == parameters_cnt)