CVE-2016-8688 Denial of service in n/a
Remote attackers can cause a crash in libarchive via a crafted file due to improper line size tracking in the mtree bidder.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2016-8688?
CVE-2016-8688 is a medium-severity denial of service vulnerability in Libarchive Libarchive, published on 15 Feb 2017. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
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.
Weakness: CWE-125
Which versions are affected by CVE-2016-8688?
It affects 2 products.
Products include Libarchive Libarchive, Opensuse Leap.
How do I fix CVE-2016-8688?
Upgrade to a fixed version.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2016-8688 being exploited?
There is no known exploitation of CVE-2016-8688 in the wild and no public exploit code.
Other vulnerabilities in Libarchive Libarchive
Sources
Also known as DEBIAN-CVE-2016-8688, GHSA-jf7m-wjh4-58hv, UBUNTU-CVE-2016-8688.