CVE-2016-8689

Published: 15 February 2017

The read_Header function in archive_read_support_format_7zip.c in libarchive 3.2.1 allows remote attackers to cause a denial of service (out-of-bounds read) via multiple EmptyStream attributes in a header in a 7zip archive.

Priority

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package	Release	Status
libarchive Launchpad, Ubuntu, Debian	precise	Released (3.0.3-6ubuntu1.4)
	trusty	Released (3.1.2-7ubuntu2.4)
	upstream	Released (3.2.1-5)
	xenial	Released (3.1.2-11ubuntu0.16.04.3)
	yakkety	Released (3.2.1-2ubuntu0.1)
	Patches: upstream: https://github.com/libarchive/libarchive/commit/7f17c791dcfd8c0416e2cd2485b19410e47ef126

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:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

Bugs

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