CVE-2018-7323
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-wccp.c had a large loop that was addressed by ensuring that a calculated length was monotonically increasing.
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/103158
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14412
- https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=4f9199ea8cff56c6704e9828c3d80360b27c4565
- https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=5d45b69b590cabc5127282d1ade3bca1598e5f5c
- 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-2018-06.html
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=5d45b69b590cabc5127282d1ade3bca1598e5f5c
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=4f9199ea8cff56c6704e9828c3d80360b27c4565
Frequently Asked Questions
What is the severity of CVE-2018-7323?
CVE-2018-7323 is classified as a medium severity vulnerability due to its potential to cause denial of service.
How do I fix CVE-2018-7323?
To fix CVE-2018-7323, upgrade Wireshark to the latest version, specifically version 2.4.5 or later.
What versions of Wireshark are affected by CVE-2018-7323?
CVE-2018-7323 affects Wireshark versions 2.4.0 to 2.4.4 and 2.2.0 to 2.2.12.
Can CVE-2018-7323 be exploited remotely?
CVE-2018-7323 could potentially be exploited remotely if a malicious packet is sent to a vulnerable Wireshark version.
What is the nature of the vulnerability in CVE-2018-7323?
CVE-2018-7323 involves a large loop in the WCCP dissector that could lead to excessive resource consumption.
- agent/type
- agent/remedy
- collector/mitre-cve
- source/MITRE
- agent/author
- agent/severity
- agent/references
- agent/weakness
- agent/last-modified-date
- agent/description
- agent/first-publish-date
- agent/event
- 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