CVE-2017-9344: Divide by Zero
In Wireshark 2.2.0 to 2.2.6 and 2.0.0 to 2.0.12, the Bluetooth L2CAP dissector could divide by zero. This was addressed in epan/dissectors/packet-btl2cap.c by validating an interval value.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
alpine/wiresharkto a version that resolves this vulnerability.Fixed in 2.2.7-r0
Event History
Frequently Asked Questions
What is the severity of CVE-2017-9344?
CVE-2017-9344 has a medium severity rating due to potential denial of service caused by a division by zero error.
How do I fix CVE-2017-9344?
To fix CVE-2017-9344, update Wireshark to version 2.2.7 or later, or to version 2.0.13 or later.
What versions of Wireshark are affected by CVE-2017-9344?
CVE-2017-9344 affects Wireshark versions 2.2.0 through 2.2.6 and 2.0.0 through 2.0.12.
Does CVE-2017-9344 affect Debian users?
Yes, CVE-2017-9344 impacts Debian GNU/Linux 8.0 users if they are using the affected versions of Wireshark.
What is the nature of the vulnerability in CVE-2017-9344?
CVE-2017-9344 is a vulnerability in the Bluetooth L2CAP dissector that can lead to a crash due to a divide by zero error.