From a10e778bfb7ce9caa1f91666ddf2705db7982d68 Mon Sep 17 00:00:00 2001 From: Stanislav Malyshev Date: Tue, 15 May 2012 22:34:34 -0700 Subject: [PATCH] fix bug #61065 --- ext/phar/tar.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/ext/phar/tar.c b/ext/phar/tar.c index 9d1e5bcb1d..b914db129e 100644 --- a/ext/phar/tar.c +++ b/ext/phar/tar.c @@ -337,6 +337,16 @@ bail: last_was_longlink = 1; /* support the ././@LongLink system for storing long filenames */ entry.filename_len = entry.uncompressed_filesize; + + /* Check for overflow - bug 61065 */ + if (entry.filename_len == UINT_MAX) { + if (error) { + spprintf(error, 4096, "phar error: \"%s\" is a corrupted tar file (invalid entry size)", fname); + } + php_stream_close(fp); + phar_destroy_phar_data(myphar TSRMLS_CC); + return FAILURE; + } entry.filename = pemalloc(entry.filename_len+1, myphar->is_persistent); read = php_stream_read(fp, entry.filename, entry.filename_len); -- 2.40.0