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wget.6551
wget-CVE-2017-6508.patch
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File wget-CVE-2017-6508.patch of Package wget.6551
diff --git a/src/url.c b/src/url.c index 8f8ff0b..7d36b27 100644 --- a/src/url.c +++ b/src/url.c @@ -925,6 +925,17 @@ url_parse (const char *url, int *error, struct iri *iri, bool percent_encode) url_unescape (u->host); host_modified = true; + /* check for invalid control characters in host name */ + for (p = u->host; *p; p++) + { + if (c_iscntrl(*p)) + { + url_free(u); + error_code = PE_INVALID_HOST_NAME; + goto error; + } + } + /* Apply IDNA regardless of iri->utf8_encode status */ if (opt.enable_iri && iri) {
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