CVE-2012-1593: Null Pointer Dereference
epan/dissectors/packet-ansia.c in the ANSI A dissector in Wireshark 1.4.x before 1.4.12 and 1.6.x before 1.6.6 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a malformed packet.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2012-1593?
CVE-2012-1593 is considered a moderate severity vulnerability as it can lead to denial of service through application crashes.
How do I fix CVE-2012-1593?
To fix CVE-2012-1593, upgrade Wireshark to version 1.4.12 or later for the 1.4.x series or version 1.6.6 or later for the 1.6.x series.
What is the impact of CVE-2012-1593?
The impact of CVE-2012-1593 includes the potential for remote attackers to crash the Wireshark application by sending a malformed packet.
Which versions of Wireshark are affected by CVE-2012-1593?
CVE-2012-1593 affects Wireshark versions 1.4.0 through 1.4.11 and 1.6.0 through 1.6.5.
Is there a workaround for CVE-2012-1593?
There is no specific workaround for CVE-2012-1593, but employing network filters to block malformed packets may mitigate risks.