CVE-2015-3812 Denial of service in n/a

High 7.8 Published 26 May 2015 Updated 6 Aug 2024

Remote attackers can cause denial of service via memory consumption in Wireshark's X11 dissector by sending crafted 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-2015-3812?

CVE-2015-3812 is a high-severity denial of service vulnerability in Oracle Linux, published on 26 May 2015. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Multiple memory leaks in the x11_init_protocol function in epan/dissectors/packet-x11.c in the X11 dissector in Wireshark 1.10.x before 1.10.14 and 1.12.x before 1.12.5 allow remote attackers to cause a denial of service (memory consumption) via a crafted packet.

Weakness: CWE-399

Which versions are affected by CVE-2015-3812?

It affects 3 products.

Products include Oracle Linux, Oracle Solaris, Wireshark Wireshark.

How do I fix CVE-2015-3812?

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-2015-3812 being exploited?

There is no known exploitation of CVE-2015-3812 in the wild and no public exploit code.

All Oracle Linux vulnerabilities

Sources

Also known as DEBIAN-CVE-2015-3812, GHSA-g66v-ghww-g5gw, UBUNTU-CVE-2015-3812.