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php-CVE-2019-9675.patch
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File php-CVE-2019-9675.patch of Package php5
diff --git a/ext/phar/tar.c b/ext/phar/tar.c index 9de3047..20f6882 100644 --- a/ext/phar/tar.c +++ b/ext/phar/tar.c @@ -762,7 +762,12 @@ static int phar_tar_writeheaders_int(phar_entry_info *entry, void *argument) /* header.typeflag = entry->tar_type; if (entry->link) { - strncpy(header.linkname, entry->link, strlen(entry->link)); + if (strlcpy(header.linkname, entry->link, sizeof(header.linkname)) >= sizeof(header.linkname)) { + if (fp->error) { + spprintf(fp->error, 4096, "tar-based phar \"%s\" cannot be created, link \"%s\" is too long for format", entry->phar->fname, entry->link); + } + return ZEND_HASH_APPLY_STOP; + } } strncpy(header.magic, "ustar", sizeof("ustar")-1);
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