CVE-2015-6243 Denial of service in n/a
Remote attackers can crash Wireshark by sending crafted packets that exploit a flaw in dissector table searches for empty strings.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2015-6243?
CVE-2015-6243 is a medium-severity denial of service vulnerability in Oracle Linux, published on 24 Aug 2015. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The dissector-table implementation in epan/packet.c in Wireshark 1.12.x before 1.12.7 mishandles table searches for empty strings, which allows remote attackers to cause a denial of service (application crash) via a crafted packet, related to the (1) dissector_get_string_handle and (2) dissector_get_default_string_handle functions.
Weakness: CWE-20
Which versions are affected by CVE-2015-6243?
It affects 3 products.
Products include Oracle Linux, Oracle Solaris, Wireshark Wireshark.
How do I fix CVE-2015-6243?
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-2015-6243 being exploited?
There is no known exploitation of CVE-2015-6243 in the wild and no public exploit code.
Other vulnerabilities in Oracle Linux
Sources
Also known as DEBIAN-CVE-2015-6243, GHSA-wmr9-678w-f2gh, UBUNTU-CVE-2015-6243.