NULL Pointer Dereference Affecting wireshark package, versions <2.6.5-1
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.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applicationsSnyk Learn
Learn about NULL Pointer Dereference vulnerabilities in an interactive lesson.
Start learning- Snyk IDSNYK-DEBIAN12-WIRESHARK-1562799
- published29 Nov 2018
- disclosed29 Nov 2018
Introduced: 29 Nov 2018
CVE-2018-19624 (opens in a new tab)How to fix?
Upgrade Debian:12 wireshark to version 2.6.5-1 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 Debian.
See How to fix? for Debian:12 relevant fixed versions and status.
In Wireshark 2.6.0 to 2.6.4 and 2.4.0 to 2.4.10, the PVFS dissector could crash. This was addressed in epan/dissectors/packet-pvfs2.c by preventing a NULL pointer dereference.
References
- https://security-tracker.debian.org/tracker/CVE-2018-19624
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-19624
- https://www.debian.org/security/2018/dsa-4359
- https://lists.debian.org/debian-lts-announce/2019/01/msg00010.html
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=15280
- https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=3e319db1107b08fc3be804b6d449143ec9aa0dec
- https://www.oracle.com/security-alerts/cpuapr2020.html
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00027.html
- http://www.securityfocus.com/bid/106051
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2018-19624
- https://www.wireshark.org/security/wnpa-sec-2018-56.html
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=3e319db1107b08fc3be804b6d449143ec9aa0dec