CVE-2017-6014 Denial of service in n/a

High 7.5 Published Updated

A crafted STANAG 4607 capture file causes an infinite loop and memory exhaustion in Wireshark, leading to denial of service.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2017-6014?

CVE-2017-6014 is a high-severity denial of service vulnerability in Debian Debian Linux, published on 17 Feb 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

In Wireshark 2.2.4 and earlier, a crafted or malformed STANAG 4607 capture file will cause an infinite loop and memory exhaustion. If the packet size field in a packet header is null, the offset to read from will not advance, causing continuous attempts to read the same zero length packet. This will quickly exhaust all system memory.

Weakness: CWE-835

Which versions are affected by CVE-2017-6014?

It affects 2 products.

Products include Debian Debian Linux, Wireshark Wireshark.

How do I fix CVE-2017-6014?

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-2017-6014 being exploited?

There is no known exploitation of CVE-2017-6014 in the wild and no public exploit code.

All Debian Debian Linux vulnerabilities

Sources

Also known as ALPINE-CVE-2017-6014, DEBIAN-CVE-2017-6014, DLA-826-1, GHSA-8q6q-3849-7cm3, MGASA-2017-0076, UBUNTU-CVE-2017-6014.

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