CVE-2018-14343: Integer Overflow
Published Jul 19, 2018
·Updated
In Wireshark 2.6.0 to 2.6.1, 2.4.0 to 2.4.7, and 2.2.0 to 2.2.15, the ASN.1 BER dissector could crash. This was addressed in epan/dissectors/packet-ber.c by ensuring that length values do not exceed the maximum signed integer.
Affected Software
4 affected components
Wireshark Wireshark>=2.2.0<=2.2.15
Wireshark Wireshark>=2.4.0<=2.4.7
Wireshark Wireshark>=2.6.0<=2.6.1
Debian Debian Linux=8.0
Remediation
Event History
Jul 19, 2018
CVE Published
via MITRE·02:00 AM
Data Sourced
via MITRE·02:00 AM
Description
Frequently Asked Questions
1
What is the severity of CVE-2018-14343?
CVE-2018-14343 has a medium severity rating due to the potential for application crashes.
2
How do I fix CVE-2018-14343?
To resolve CVE-2018-14343, update Wireshark to a version later than 2.6.1, 2.4.7, or 2.2.15.
3
Which versions of Wireshark are affected by CVE-2018-14343?
CVE-2018-14343 affects Wireshark versions 2.6.0 to 2.6.1, 2.4.0 to 2.4.7, and 2.2.0 to 2.2.15.
4
Does CVE-2018-14343 affect Debian GNU/Linux?
Yes, CVE-2018-14343 can affect Debian GNU/Linux version 8.0 when using the affected Wireshark versions.
5
What impact does CVE-2018-14343 have on my system?
The impact of CVE-2018-14343 is primarily the potential crashing of the Wireshark application, which can disrupt network analysis tasks.