CVE-2017-7700 Denial of service in n/a
An attacker can cause a denial of service in Wireshark by providing a malformed capture file that triggers an infinite loop in the NetScaler parser.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2017-7700?
CVE-2017-7700 is a medium-severity denial of service vulnerability in Debian Debian Linux, published on 12 Apr 2017. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
In Wireshark 2.2.0 to 2.2.5 and 2.0.0 to 2.0.11, the NetScaler file parser could go into an infinite loop, triggered by a malformed capture file. This was addressed in wiretap/netscaler.c by ensuring a nonzero record size.
Weakness: CWE-835
Which versions are affected by CVE-2017-7700?
It affects 2 products.
Products include Debian Debian Linux, Wireshark Wireshark.
How do I fix CVE-2017-7700?
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-2017-7700 being exploited?
There is no known exploitation of CVE-2017-7700 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as ALPINE-CVE-2017-7700, DEBIAN-CVE-2017-7700, GHSA-pwc9-q2gc-2rch, UBUNTU-CVE-2017-7700.