CVE-2019-10899 Memory corruption in n/a

High 7.5 Published Updated

A heap-based buffer under-read in the SRVLOC dissector allows attackers to crash Wireshark via malicious 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-2019-10899?

CVE-2019-10899 is a high-severity memory corruption vulnerability in Canonical Ubuntu Linux, published on 9 Apr 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

In Wireshark 2.4.0 to 2.4.13, 2.6.0 to 2.6.7, and 3.0.0, the SRVLOC dissector could crash. This was addressed in epan/dissectors/packet-srvloc.c by preventing a heap-based buffer under-read.

Weakness: CWE-125

Which versions are affected by CVE-2019-10899?

It affects 5 products.

Products include Canonical Ubuntu Linux, Debian Debian Linux, Fedoraproject Fedora, Opensuse Leap, Wireshark Wireshark.

How do I fix CVE-2019-10899?

Apply the vendor's patch.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2019-10899 being exploited?

There is no known exploitation of CVE-2019-10899 in the wild and no public exploit code.

All Canonical Ubuntu Linux vulnerabilities

Sources

Also known as DEBIAN-CVE-2019-10899, GHSA-q7j6-2rxh-qxmx, UBUNTU-CVE-2019-10899.

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