CVE-2016-10196

Published: 31 December 2016

Stack-based buffer overflow in the evutil_parse_sockaddr_port function in evutil.c in libevent before 2.1.6-beta allows attackers to cause a denial of service (segmentation fault) via vectors involving a long string in brackets in the ip_as_string argument.

Priority

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package	Release	Status
firefox Launchpad, Ubuntu, Debian	precise	Ignored
	trusty	Released (53.0+build6-0ubuntu0.14.04.1)
	upstream	Released (53.0)
	xenial	Released (53.0+build6-0ubuntu0.16.04.1)
	yakkety	Released (53.0+build6-0ubuntu0.16.10.1)
	zesty	Released (53.0+build6-0ubuntu0.17.04.1)
libevent Launchpad, Ubuntu, Debian	precise	Released (2.0.16-stable-1ubuntu0.2)
	trusty	Released (2.0.21-stable-1ubuntu1.14.04.2)
	upstream	Released (2.0.21-stable-3)
	xenial	Released (2.0.21-stable-2ubuntu0.16.04.1)
	yakkety	Released (2.0.21-stable-2ubuntu0.16.10.1)
	zesty	Released (2.0.21-stable-3)
	Patches: upstream: https://github.com/libevent/libevent/commit/329acc18a0768c21ba22522f01a5c7f46cacc4d5
thunderbird Launchpad, Ubuntu, Debian	trusty	Released (1:52.1.1+build1-0ubuntu0.14.04.1)
	upstream	Released (52.1.1)
	xenial	Released (1:52.1.1+build1-0ubuntu0.16.04.1)
	yakkety	Released (1:52.1.1+build1-0ubuntu0.16.10.1)
	zesty	Released (1:52.1.1+build1-0ubuntu0.17.04.1)

Severity score breakdown

Parameter	Value
Base score	7.5
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

Bugs

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