CVE-2015-8720 Denial of service in n/a
Remote attackers can crash Wireshark via crafted packets due to improper return value checking in the BER dissector.
- 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-2015-8720?
CVE-2015-8720 is a medium-severity denial of service vulnerability in Wireshark Wireshark, published on 4 Jan 2016. 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 dissect_ber_GeneralizedTime function in epan/dissectors/packet-ber.c in the BER dissector in Wireshark 1.12.x before 1.12.9 and 2.0.x before 2.0.1 improperly checks an sscanf return value, which allows remote attackers to cause a denial of service (application crash) via a crafted packet.
Weakness: CWE-20
Which versions are affected by CVE-2015-8720?
It affects 1 product.
Products include Wireshark Wireshark.
How do I fix CVE-2015-8720?
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-2015-8720 being exploited?
There is no known exploitation of CVE-2015-8720 in the wild and no public exploit code.
Other vulnerabilities in Wireshark Wireshark
Sources
Also known as DEBIAN-CVE-2015-8720, GHSA-5gg5-mc77-2v56, UBUNTU-CVE-2015-8720.