CVE-2017-9344: Divide by Zero
First published: Fri Jun 02 2017(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Wireshark Wireshark | >=2.0.0<=2.0.12 | |
| Wireshark Wireshark | >=2.2.0<=2.2.6 | |
| Debian GNU/Linux | =8.0 |
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Reference Links
- http://www.securityfocus.com/bid/98796
- http://www.securitytracker.com/id/1038612
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=1539
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=13701
- https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=6308ae03d82a29a2e3d75e1c325c8a9f6c44dcdf
- https://lists.debian.org/debian-lts-announce/2019/03/msg00031.html
- https://www.wireshark.org/security/wnpa-sec-2017-29.html
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.
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- agent/author
- agent/description
- agent/event
- agent/softwarecombine
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/wireshark
- canonical/wireshark wireshark
- version/wireshark wireshark/2.0.0
- version/wireshark wireshark/2.0.12
- version/wireshark wireshark/2.2.0
- version/wireshark wireshark/2.2.6
- vendor/debian
- canonical/debian gnu/linux
- version/debian gnu/linux/8.0