CVE-2016-5301

Publication date 30 June 2016

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

The parse_chunk_header function in libtorrent before 1.1.1 allows remote attackers to cause a denial of service (crash) via a crafted (1) HTTP response or possibly a (2) UPnP broadcast.

From the Ubuntu Security Team

It was discovered that libtorrent improperly handles chunked headers. A remote Attacker could possibly use this to cause a crash resulting in a denial of service.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
libtorrent-rasterbar	22.04 LTS jammy	Not affected
	21.10 impish	Not affected
	21.04 hirsute	Not affected
	20.10 groovy	Not affected
	20.04 LTS focal	Not affected
	19.10 eoan	Not affected
	19.04 disco	Not affected
	18.10 cosmic	Not affected
	18.04 LTS bionic	Not affected
	17.10 artful	Ignored end of life
	17.04 zesty	Ignored end of life
	16.10 yakkety	Ignored end of life
	16.04 LTS xenial	Fixed 1.0.7-1ubuntu0.1~esm1 Ubuntu Pro
	15.10 wily	Ignored end of life
	14.04 LTS trusty	Fixed 0.16.13-1ubuntu2.1+esm1 Ubuntu Pro
	12.04 LTS precise	Fixed 0.15.10-1+deb7u1build0.12.04.1

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Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
libtorrent-rasterbar	Upstream: https://github.com/arvidn/libtorrent/pull/782

Severity score breakdown

Parameter	Value
Base score	7.5 · High
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H