CVE-2018-14343: Integer Overflow
First published: Thu 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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| 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 GNU/Linux | =8.0 |
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Reference Links
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00027.html
- http://www.securityfocus.com/bid/104847
- http://www.securitytracker.com/id/1041608
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14682
- https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=9402f2f80c6bc7d25178a0875c5a1f5ee36361db
- https://lists.debian.org/debian-lts-announce/2018/07/msg00045.html
- https://www.wireshark.org/security/wnpa-sec-2018-37.html
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=9402f2f80c6bc7d25178a0875c5a1f5ee36361db
Frequently Asked Questions
What is the severity of CVE-2018-14343?
CVE-2018-14343 has a medium severity rating due to the potential for application crashes.
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.
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.
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.
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.
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- agent/severity
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- agent/references
- agent/first-publish-date
- agent/event
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- agent/source
- agent/softwarecombine
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/wireshark
- canonical/wireshark wireshark
- version/wireshark wireshark/2.2.0
- version/wireshark wireshark/2.2.15
- version/wireshark wireshark/2.4.0
- version/wireshark wireshark/2.4.7
- version/wireshark wireshark/2.6.0
- version/wireshark wireshark/2.6.1
- vendor/debian
- canonical/debian gnu/linux
- version/debian gnu/linux/8.0