CVE-2012-4286 Denial of service in n/a
A divide-by-zero error in Wireshark's pcap-ng parser allows remote attackers to crash the application via a crafted 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-2012-4286?
CVE-2012-4286 is a medium-severity denial of service vulnerability in Sun Sunos, published on 16 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 pcapng_read_packet_block function in wiretap/pcapng.c in the pcap-ng file parser in Wireshark 1.8.x before 1.8.2 allows user-assisted remote attackers to cause a denial of service (divide-by-zero error and application crash) via a crafted pcap-ng file.
Weakness: CWE-189
Which versions are affected by CVE-2012-4286?
It affects 2 products.
Products include Sun Sunos, Wireshark Wireshark.
How do I fix CVE-2012-4286?
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-2012-4286 being exploited?
There is no known exploitation of CVE-2012-4286 in the wild and no public exploit code.
Other vulnerabilities in Sun Sunos
Sources
Also known as DEBIAN-CVE-2012-4286, GHSA-545q-cmj3-26f6.