CVE-2016-6512 Denial of service in n/a

Medium 5.9 Published Updated

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.

All Wireshark Wireshark vulnerabilities

Sources

Also known as ALPINE-CVE-2016-6512, DEBIAN-CVE-2016-6512, GHSA-jjwq-pq85-jmhq, UBUNTU-CVE-2016-6512.

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