CVE-2018-14339: Input Validation
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 MMSE dissector could go into an infinite loop. This was addressed in epan/proto.c by adding offset and length validation.
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=14738
- https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=3b77c0a596a8071aebc1de71e3f79e5e15e919ca
- https://lists.debian.org/debian-lts-announce/2018/07/msg00045.html
- https://www.wireshark.org/security/wnpa-sec-2018-38.html
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=3b77c0a596a8071aebc1de71e3f79e5e15e919ca
Frequently Asked Questions
What is the severity of CVE-2018-14339?
CVE-2018-14339 has a severity rating of medium due to potential denial of service caused by an infinite loop.
How do I fix CVE-2018-14339?
To fix CVE-2018-14339, update Wireshark to versions 2.6.2, 2.4.8, or 2.2.16 or later.
Which versions of Wireshark are affected by CVE-2018-14339?
CVE-2018-14339 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.
What type of vulnerability is CVE-2018-14339?
CVE-2018-14339 is a denial of service vulnerability due to an infinite loop in the MMSE dissector.
Is there a patch available for CVE-2018-14339?
Yes, patches addressing CVE-2018-14339 are included in the updated versions of Wireshark.
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- vendor/wireshark
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- 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
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