CVE-2016-8688

Publication date 15 February 2017

Last updated 24 July 2024

Ubuntu priority

Low

Why this priority?

Cvss 3 Severity Score

5.5 · Medium

Score breakdown

The mtree bidder in libarchive 3.2.1 does not keep track of line sizes when extending the read-ahead, which allows remote attackers to cause a denial of service (crash) via a crafted file, which triggers an invalid read in the (1) detect_form or (2) bid_entry function in libarchive/archive_read_support_format_mtree.c.

Status

Package Ubuntu Release Status
libarchive 16.10 yakkety
Fixed 3.2.1-2ubuntu0.1
16.04 LTS xenial
Fixed 3.1.2-11ubuntu0.16.04.3
14.04 LTS trusty
Fixed 3.1.2-7ubuntu2.4
12.04 LTS precise
Fixed 3.0.3-6ubuntu1.4

Patch details

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

Package Patch details
libarchive

Severity score breakdown

Parameter Value
Base score 5.5 · Medium
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H