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Merge pull request #1829 from chipitsine/master

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src/Mayaqua/Str.c: fix denial of service reported by Cisco Talos
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Ilya Shipitsin 2023-04-22 08:26:47 +02:00 committed by GitHub
commit 8fc27da780
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1 changed files with 5 additions and 5 deletions
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src/Mayaqua/Str.c
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@ -2062,11 +2062,11 @@ void EnSafeHttpHeaderValueStr(char *str, char replace)
length = StrLen(str); length = StrLen(str);
while (index < length) while (index < length)
{ {
if (str[index] == '\r' || str[index] == '\n') if ((str[index] == '\r' || str[index] == '\n') && length - index > 1)
{ {
if (replace == ' ') if (replace == ' ')
{ {
Move(&str[index], &str[index + 1], length - index); Move(&str[index], &str[index + 1], length - index - 1);
} }
else else
{ {
@ -2075,12 +2075,12 @@ void EnSafeHttpHeaderValueStr(char *str, char replace)
} }
else if (str[index] == '\\') else if (str[index] == '\\')
{ {
if (str[index + 1] == 'r' || str[index + 1] == 'n') if ((str[index + 1] == 'r' || str[index + 1] == 'n') && length - index > 2)
{ {
if (replace == ' ') if (replace == ' ')
{ {
Move(&str[index], &str[index + 2], length - index); Move(&str[index], &str[index + 2], length - index - 2);
index--; index++;
} }
else else
{ {