CVE-2009-4377: Null Pointer Dereference
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.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2009-4377?
CVE-2009-4377 is classified as a denial of service vulnerability that can cause crashes in the affected versions of Wireshark.
How does CVE-2009-4377 affect Wireshark?
CVE-2009-4377 allows remote attackers to crash Wireshark by sending crafted packets that lead to a NULL pointer dereference.
Which versions of Wireshark are affected by CVE-2009-4377?
CVE-2009-4377 affects Wireshark versions from 0.9.0 through 1.2.4.
How can I fix CVE-2009-4377?
To mitigate CVE-2009-4377, you should update Wireshark to the latest available version that addresses this vulnerability.
What type of attacks can exploit CVE-2009-4377?
CVE-2009-4377 can be exploited through crafted SMB and SMB2 packets sent to vulnerable Wireshark installations.