CVE-2011-3266 Denial of service in n/a
Remote attackers can cause a denial of service via infinite loop in Wireshark's IKEv1 dissector by sending malformed packets, requiring user interaction to open the capture.
- 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-2011-3266?
CVE-2011-3266 is a low-severity denial of service vulnerability in Wireshark Wireshark, published on 24 Aug 2011. 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 proto_tree_add_item function in Wireshark 1.6.0 through 1.6.1 and 1.4.0 through 1.4.8, when the IKEv1 protocol dissector is used, allows user-assisted remote attackers to cause a denial of service (infinite loop) via vectors involving a malformed IKE packet and many items in a tree.
Weakness: CWE-399
Which versions are affected by CVE-2011-3266?
It affects 1 product.
Products include Wireshark Wireshark.
How do I fix CVE-2011-3266?
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-2011-3266 being exploited?
There is no known exploitation of CVE-2011-3266 in the wild and no public exploit code.
Other vulnerabilities in Wireshark Wireshark
Sources
Also known as DEBIAN-CVE-2011-3266, GHSA-h4pp-978c-885j.