diff options
Diffstat (limited to 'mailinglist/output_launchpad/1812451')
| -rw-r--r-- | mailinglist/output_launchpad/1812451 | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/mailinglist/output_launchpad/1812451 b/mailinglist/output_launchpad/1812451 new file mode 100644 index 00000000..eefba8e7 --- /dev/null +++ b/mailinglist/output_launchpad/1812451 @@ -0,0 +1,17 @@ +In windows host, tftp arbitrary file read vulnerability + +https://github.com/qemu/qemu/blob/master/slirp/tftp.c#L343 + + if (!strncmp(req_fname, "../", 3) || + req_fname[strlen(req_fname) - 1] == '/' || + strstr(req_fname, "/../")) { + tftp_send_error(spt, 2, "Access violation", tp); + return; + } + +There are file path check for not allowing escape tftp directory. +But, in windows, file path is separated by "\" backslash. +So, guest can read arbitrary file in Windows host. + +This is fixed upstream by https://gitlab.freedesktop.org/slirp/libslirp/commit/14ec36e107a8c9af7d0a80c3571fe39b291ff1d4 + |