CVE-2018-7418
First published: Fri Feb 23 2018(Updated: )
In Wireshark 2.2.0 to 2.2.12 and 2.4.0 to 2.4.4, the SIGCOMP dissector could crash. This was addressed in epan/dissectors/packet-sigcomp.c by correcting the extraction of the length value.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Wireshark Wireshark | >=2.2.0<=2.2.12 | |
| Wireshark Wireshark | >=2.4.0<=2.4.4 | |
| Debian GNU/Linux | =7.0 | |
| Debian GNU/Linux | =8.0 |
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Reference Links
- http://www.securityfocus.com/bid/103157
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14410
- https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=29d920b8309905dda11ad397596fe8aafc9b4bf7
- https://lists.debian.org/debian-lts-announce/2018/04/msg00018.html
- https://lists.debian.org/debian-lts-announce/2019/01/msg00010.html
- https://www.wireshark.org/security/wnpa-sec-2018-13.html
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=29d920b8309905dda11ad397596fe8aafc9b4bf7
Frequently Asked Questions
What is the severity of CVE-2018-7418?
The severity of CVE-2018-7418 is classified as medium due to the potential for a crash in Wireshark.
How do I fix CVE-2018-7418?
To fix CVE-2018-7418, upgrade Wireshark to the latest version available beyond 2.4.4 or 2.2.12.
What versions of Wireshark are affected by CVE-2018-7418?
Wireshark versions from 2.2.0 to 2.2.12 and from 2.4.0 to 2.4.4 are affected by CVE-2018-7418.
What component of Wireshark is vulnerable in CVE-2018-7418?
The SIGCOMP dissector in Wireshark is the vulnerable component addressed in CVE-2018-7418.
Can CVE-2018-7418 lead to data loss?
CVE-2018-7418 may cause application instability but does not directly lead to data loss.
- agent/type
- collector/mitre-cve
- source/MITRE
- agent/references
- agent/severity
- agent/author
- agent/remedy
- agent/last-modified-date
- agent/event
- agent/description
- agent/first-publish-date
- 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/2.2.12
- version/wireshark wireshark/2.4.0
- version/wireshark wireshark/2.4.4
- vendor/debian
- canonical/debian gnu/linux
- version/debian gnu/linux/7.0
- version/debian gnu/linux/8.0