CVE-2018-9262: Input Validation
First published: Wed Apr 04 2018(Updated: )
In Wireshark 2.4.0 to 2.4.5 and 2.2.0 to 2.2.13, the VLAN dissector could crash. This was addressed in epan/dissectors/packet-vlan.c by limiting VLAN tag nesting to restrict the recursion depth.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Wireshark Wireshark | >=2.2.0<=2.2.13 | |
| Wireshark Wireshark | >=2.4.0<=2.4.5 | |
| Debian GNU/Linux | =8.0 |
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Reference Links
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14469
- https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=f05c3b91f9571210b86576ee6284e71a3306109d
- https://lists.debian.org/debian-lts-announce/2019/01/msg00010.html
- https://www.wireshark.org/security/wnpa-sec-2018-19.html
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=f05c3b91f9571210b86576ee6284e71a3306109d
Frequently Asked Questions
What is the severity of CVE-2018-9262?
CVE-2018-9262 has been classified with a medium severity impact due to the potential for application crashes.
How do I fix CVE-2018-9262?
To address CVE-2018-9262, update Wireshark to version 2.4.6 or later, or apply the relevant patches provided by your operating system.
What are the affected versions for CVE-2018-9262?
CVE-2018-9262 affects Wireshark versions from 2.4.0 to 2.4.5 and 2.2.0 to 2.2.13.
What type of issue is CVE-2018-9262?
CVE-2018-9262 is a vulnerability in the VLAN dissector that could lead to crashes in the Wireshark application.
Who is impacted by CVE-2018-9262?
Users of Wireshark versions 2.4.0 to 2.4.5 and 2.2.0 to 2.2.13 are at risk of experiencing crashes due to CVE-2018-9262.
- agent/type
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- source/MITRE
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- agent/remedy
- agent/weakness
- agent/author
- agent/severity
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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/2.2.13
- version/wireshark wireshark/2.4.0
- version/wireshark wireshark/2.4.5
- vendor/debian
- canonical/debian gnu/linux
- version/debian gnu/linux/8.0