mirrors/doh-server
1
0
Fork 0
mirror of https://github.com/DNSCrypt/doh-server.git synced 2025-04-03 21:17:36 +03:00
Code Issues Projects Releases Packages Wiki Activity

Refuse long labels

Browse source
This commit is contained in:
Frank Denis 2019-12-23 20:57:09 +01:00
parent 4e4ddcf8e5
commit 31953b2605
1 changed files with 1 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

1
src/dns.rs
View file

@ -63,6 +63,7 @@ fn skip_name(packet: &[u8], offset: usize) -> Result<usize, Error> {
}
label_len => label_len,
} as usize;
ensure!(label_len < 0x40, "Long label");
ensure!(
packet_len - offset - 1 > label_len,
"Malformed packet with an out-of-bounds name"