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Message-ID: <7abbad32-8eb7-bfa4-c38b-a4d598070600@yshi.me>
Date: Thu, 8 Sep 2016 00:22:55 +0200
From: yi <yi@...i.me>
To: oss-security@...ts.openwall.com
Subject: CVE Request : Libtorrent 1.1.0 inflate_gzip denial of service
Hi list,
I recently opened a bug on "Libtorrent 1.1.0" regarding malformed GZIP
encoded responses that causes denial of service.
For example, an attacker-controlled torrent tracker can crash victim torrent
clients by sending malformed GZIP responses.
This bug has been fixed by the maintainer in master and the branch RC_1_1:
https://github.com/arvidn/libtorrent/issues/1021
https://github.com/arvidn/libtorrent/pull/1022
I also tested the bug with two "Libtorrent based" softwares :
qBittorrent and Deluge. Both of them were affected and crashed on
receiving the malformed response.
Download attachment "0x0443D821.asc" of type "application/pgp-keys" (3114 bytes)
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