CVE-2018-7420 Affecting wireshark package, versions <2.6.3-1~ubuntu14.04.1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UBUNTU1404-WIRESHARK-377222
- published23 Feb 2018
- disclosed23 Feb 2018
Introduced: 23 Feb 2018
CVE-2018-7420 (opens in a new tab)How to fix?
Upgrade Ubuntu:14.04 wireshark to version 2.6.3-1~ubuntu14.04.1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream wireshark package and not the wireshark package as distributed by Ubuntu.
See How to fix? for Ubuntu:14.04 relevant fixed versions and status.
In Wireshark 2.2.0 to 2.2.12 and 2.4.0 to 2.4.4, the pcapng file parser could crash. This was addressed in wiretap/pcapng.c by adding a block-size check for sysdig event blocks.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2018-7420
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14403
- https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=129e41f9f63885ad8224ef413c2860788fb9e849
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-7420
- https://lists.debian.org/debian-lts-announce/2018/04/msg00018.html
- https://lists.debian.org/debian-lts-announce/2019/01/msg00010.html
- https://security-tracker.debian.org/tracker/CVE-2018-7420
- http://www.securityfocus.com/bid/103163
- https://www.wireshark.org/security/wnpa-sec-2018-11.html
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=129e41f9f63885ad8224ef413c2860788fb9e849