CVE-2018-7321
First published: Fri Feb 23 2018(Updated: )
In Wireshark 2.4.0 to 2.4.4 and 2.2.0 to 2.2.12, epan/dissectors/packet-thrift.c had a large loop that was addressed by not proceeding with dissection after encountering an unexpected type.
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 |
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Reference Links
- http://www.securityfocus.com/bid/103158
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14379
- https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=c784d551ad50864de1035ce54e72837301cf6aca
- https://www.wireshark.org/security/wnpa-sec-2018-06.html
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=c784d551ad50864de1035ce54e72837301cf6aca
Frequently Asked Questions
What is the severity of CVE-2018-7321?
CVE-2018-7321 has been classified as a medium severity vulnerability due to its potential for denial-of-service attacks.
How do I fix CVE-2018-7321?
To resolve CVE-2018-7321, upgrade Wireshark to version 2.4.5 or later for the 2.4.x series and to version 2.2.13 or later for the 2.2.x series.
What impact does CVE-2018-7321 have on affected systems?
CVE-2018-7321 can cause Wireshark to enter a large loop, potentially leading to performance degradation or crashes.
Is CVE-2018-7321 present in all versions of Wireshark?
No, CVE-2018-7321 affects only Wireshark versions 2.4.0 through 2.4.4 and 2.2.0 through 2.2.12.
How can I determine if I am vulnerable to CVE-2018-7321?
Check your Wireshark version and determine if it's between the affected ranges to see if you're vulnerable to CVE-2018-7321.
- collector/nvd-index
- agent/type
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/author
- agent/severity
- agent/weakness
- agent/references
- agent/last-modified-date
- agent/remedy
- agent/tags
- agent/description
- agent/first-publish-date
- agent/event
- agent/source
- 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