CVE-2016-6512 Denial of service in n/a
Remote attackers can cause a denial of service via infinite loop in Wireshark by sending crafted packets to vulnerable WAP dissectors.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2016-6512?
CVE-2016-6512 is a medium-severity denial of service vulnerability in Wireshark Wireshark, published on 6 Aug 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
epan/dissectors/packet-wap.c in Wireshark 2.x before 2.0.5 omits an overflow check in the tvb_get_guintvar function, which allows remote attackers to cause a denial of service (infinite loop) via a crafted packet, related to the MMSE, WAP, WBXML, and WSP dissectors.
Weakness: CWE-20
Which versions are affected by CVE-2016-6512?
It affects 1 product.
Products include Wireshark Wireshark.
How do I fix CVE-2016-6512?
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-2016-6512 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2016-6512 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Wireshark Wireshark
Sources
Also known as ALPINE-CVE-2016-6512, DEBIAN-CVE-2016-6512, GHSA-jjwq-pq85-jmhq, UBUNTU-CVE-2016-6512.