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openSUSE:Step:15-SP1
php7.27346
php7-CVE-2020-7071.patch
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File php7-CVE-2020-7071.patch of Package php7.27346
X-Git-Url: http://208.43.231.11:8000/?p=php-src.git;a=blobdiff_plain;f=ext%2Fstandard%2Furl.c;h=8d155bb9846c97701dee5ac54c7e0bbcc6c84366;hp=1dd073e2bb423652821f351135b9582d76e175d5;hb=2d3d72412a6734e19a38ed10f385227a6238e4a6;hpb=662083fc4f3a570f5b9180e80c2ddec86a8fded8 Index: php-7.2.34/ext/standard/url.c =================================================================== --- php-7.2.34.orig/ext/standard/url.c +++ php-7.2.34/ext/standard/url.c @@ -92,6 +92,22 @@ PHPAPI php_url *php_url_parse(char const return php_url_parse_ex(str, strlen(str)); } +static int is_userinfo_valid(const char *str, size_t len) +{ + char *valid = "-._~!$&'()*+,;=:"; + char *p = str; + while (p - str < len) { + if (isalpha(*p) || isdigit(*p) || strchr(valid, *p)) { + p++; + } else if (*p == '%' && p - str <= len - 3 && isdigit(*(p+1)) && isxdigit(*(p+2))) { + p += 3; + } else { + return 0; + } + } + return 1; +} + /* {{{ php_url_parse */ PHPAPI php_url *php_url_parse_ex(char const *str, size_t length) @@ -235,13 +251,18 @@ PHPAPI php_url *php_url_parse_ex(char co ret->pass = estrndup(pp, (p-pp)); php_replace_controlchars_ex(ret->pass, (p-pp)); } else { + if (!is_userinfo_valid(s, p-s)) { + goto check_port; + } ret->user = estrndup(s, (p-s)); php_replace_controlchars_ex(ret->user, (p-s)); + } s = p + 1; } +check_port: /* check for port */ if (s < ue && *s == '[' && *(e-1) == ']') { /* Short circuit portscan,
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