CVE-2016-4421: Input Validation
Published May 1, 2016
·Updated
epan/dissectors/packet-ber.c in the ASN.1 BER dissector in Wireshark 1.12.x before 1.12.10 and 2.x before 2.0.2 allows remote attackers to cause a denial of service (deep recursion, stack consumption, and application crash) via a packet that specifies deeply nested data.
Affected Software
12 affected components
Wireshark Wireshark=1.12.0
Wireshark Wireshark=1.12.1
Wireshark Wireshark=1.12.2
Wireshark Wireshark=1.12.3
Wireshark Wireshark=1.12.4
Wireshark Wireshark=1.12.5
Wireshark Wireshark=1.12.6
Wireshark Wireshark=1.12.7
Wireshark Wireshark=1.12.8
Wireshark Wireshark=1.12.9
Wireshark Wireshark=2.0.0
Wireshark Wireshark=2.0.1
Event History
May 1, 2016
CVE Published
via MITRE·01:00 AM
Data Sourced
via MITRE·01:00 AM
Description
Frequently Asked Questions
1
What is the severity of CVE-2016-4421?
CVE-2016-4421 is classified as a denial of service vulnerability due to deep recursion and stack consumption.
2
How do I fix CVE-2016-4421?
To fix CVE-2016-4421, upgrade Wireshark to version 1.12.10, 2.0.2, or later.
3
What versions of Wireshark are affected by CVE-2016-4421?
CVE-2016-4421 affects Wireshark versions 1.12.0 through 1.12.9 and 2.0.0 through 2.0.1.
4
What kind of attack does CVE-2016-4421 enable?
CVE-2016-4421 allows remote attackers to crash the application through crafted packets.
5
Is there a workaround for CVE-2016-4421?
There are no specific workarounds for CVE-2016-4421 other than upgrading to a patched version.