CVE-2017-6474
First published: Sat Mar 04 2017(Updated: )
In Wireshark 2.2.0 to 2.2.4 and 2.0.0 to 2.0.10, there is a NetScaler file parser infinite loop, triggered by a malformed capture file. This was addressed in wiretap/netscaler.c by validating record sizes.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Wireshark Wireshark | >=2.0.0<=2.0.10 | |
| Wireshark Wireshark | >=2.2.0<=2.2.4 | |
| Debian GNU/Linux | =8.0 |
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Reference Links
- http://www.debian.org/security/2017/dsa-3811
- http://www.securityfocus.com/bid/96566
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=13429
- https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=a998c9195f183d85f5b0bbeebba21a2d4d303d47
- https://www.wireshark.org/security/wnpa-sec-2017-07.html
Frequently Asked Questions
What is the severity of CVE-2017-6474?
CVE-2017-6474 has been classified as a medium severity vulnerability due to the potential for denial of service via an infinite loop.
How do I fix CVE-2017-6474?
To fix CVE-2017-6474, you should upgrade Wireshark to the latest version, ensuring that you are beyond versions 2.2.4 or 2.0.10.
What software versions are affected by CVE-2017-6474?
CVE-2017-6474 affects Wireshark versions from 2.0.0 to 2.0.10 and 2.2.0 to 2.2.4.
Can CVE-2017-6474 be exploited remotely?
The exploitation of CVE-2017-6474 requires a user to open a specially crafted capture file, making it more of a local attack vector.
What mitigation strategies exist for CVE-2017-6474?
Mitigation for CVE-2017-6474 involves ensuring that users are trained not to open untrusted capture files and keeping Wireshark updated.
- agent/type
- agent/remedy
- agent/first-publish-date
- agent/last-modified-date
- agent/weakness
- agent/severity
- agent/references
- 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/2.0.10
- version/wireshark wireshark/2.2.0
- version/wireshark wireshark/2.2.4
- vendor/debian
- canonical/debian gnu/linux
- version/debian gnu/linux/8.0