CVE-2012-3548 Denial of service in n/a
Remote attackers can cause a denial of service via infinite loop in Wireshark by crafting a malicious capture file, requiring user interaction to open it.
- 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-2012-3548?
CVE-2012-3548 is a medium-severity denial of service vulnerability in Wireshark Wireshark, published on 30 Aug 2012. 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
The dissect_drda function in epan/dissectors/packet-drda.c in Wireshark 1.6.x through 1.6.10 and 1.8.x through 1.8.2 allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via a small value for a certain length field in a capture file.
Weakness: CWE-399
Which versions are affected by CVE-2012-3548?
It affects 1 product.
Products include Wireshark Wireshark.
How do I fix CVE-2012-3548?
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-2012-3548 being exploited?
There is no known exploitation of CVE-2012-3548 in the wild and no public exploit code.
Other vulnerabilities in Wireshark Wireshark
Sources
Also known as CVE-2012-5239, DEBIAN-CVE-2012-3548, GHSA-cj63-9m7p-vgfj.