CVE-2012-6054 Denial of service in n/a
Remote attackers can cause a denial of service via infinite loop in Wireshark's sFlow dissector by sending malformed packets.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2012-6054?
CVE-2012-6054 is a medium-severity denial of service vulnerability in Wireshark Wireshark, published on 5 Dec 2012. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The dissect_sflow_245_address_type function in epan/dissectors/packet-sflow.c in the sFlow dissector in Wireshark 1.8.x before 1.8.4 does not properly handle length calculations for an invalid IP address type, which allows remote attackers to cause a denial of service (infinite loop) via a packet that is neither IPv4 nor IPv6.
Weakness: CWE-189
Which versions are affected by CVE-2012-6054?
It affects 1 product.
Products include Wireshark Wireshark.
How do I fix CVE-2012-6054?
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-2012-6054 being exploited?
There is no known exploitation of CVE-2012-6054 in the wild and no public exploit code.
Other vulnerabilities in Wireshark Wireshark
Sources
Also known as CVE-2012-5594, DEBIAN-CVE-2012-6054, GHSA-594j-mv6x-7qw2.