Description
The construct function in puff.cpp in Libtorrent 1.1.0 allows remote torrent trackers to cause a denial of service (segmentation fault and crash) via a crafted GZIP response.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | libtorrent-rasterbar | 1.1.1-1 | — |
| Debian 13 | libtorrent-rasterbar | 1.1.1-1 | — |
| Debian 12 | libtorrent-rasterbar | 1.1.1-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 16.04 LTS | libtorrent-rasterbar | No fix yet | — |
| Ubuntu Pro 14.04 LTS | libtorrent-rasterbar | No fix yet | — |
References
- https://github.com/arvidn/libtorrent/pull/1022
- [oss-security] 20160908 Re: CVE Request : Libtorrent 1.1.0 inflate_gzip denial of service mailing-list
- https://github.com/arvidn/libtorrent/issues/1021
- [oss-security] 20160908 CVE Request : Libtorrent 1.1.0 inflate_gzip denial of service mailing-list
- 92891 vdb-entry