CVE-2009-4377 Null dereference in n/a

Medium 4.3 Published Updated

Remote attackers can crash Wireshark via crafted SMB packets due to a NULL pointer dereference in the dissectors.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2009-4377?

CVE-2009-4377 is a medium-severity vulnerability in Wireshark Wireshark, published on 21 Dec 2009. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The (1) SMB and (2) SMB2 dissectors in Wireshark 0.9.0 through 1.2.4 allow remote attackers to cause a denial of service (crash) via a crafted packet that triggers a NULL pointer dereference, as demonstrated by fuzz-2009-12-07-11141.pcap.

Which versions are affected by CVE-2009-4377?

It affects 1 product.

Products include Wireshark Wireshark.

How do I fix CVE-2009-4377?

Upgrade to a fixed version.

Is CVE-2009-4377 being exploited?

There is no known exploitation of CVE-2009-4377 in the wild and no public exploit code.

All Wireshark Wireshark vulnerabilities

Sources

Also known as DEBIAN-CVE-2009-4377, GHSA-wqc7-2v82-hg6w.

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