CVE-2013-4936: Null Pointer Dereference
The IsDFPFrame function in plugins/profinet/packet-pn-rt.c in the PROFINET Real-Time dissector in Wireshark 1.10.x before 1.10.1 does not validate MAC addresses, which allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted packet.
Affected Software
Remediation
Patch Available
Event History
Frequently Asked Questions
What is the severity of CVE-2013-4936?
CVE-2013-4936 has been classified as a moderate severity vulnerability due to its potential for causing a denial of service.
How do I fix CVE-2013-4936?
To fix CVE-2013-4936, upgrade Wireshark to version 1.10.1 or later, where the vulnerability has been addressed.
Which versions of Wireshark are affected by CVE-2013-4936?
CVE-2013-4936 affects Wireshark version 1.10.0 and earlier.
What type of vulnerability is CVE-2013-4936?
CVE-2013-4936 is a denial of service vulnerability caused by the IsDFP_Frame function's failure to validate MAC addresses.
Can exploiting CVE-2013-4936 lead to a crash of Wireshark?
Yes, exploiting CVE-2013-4936 can lead to a NULL pointer dereference which results in a crash of the Wireshark application.