CVE-2019-5721: Use After Free
First published: Tue Jan 08 2019(Updated: )
In Wireshark 2.4.0 to 2.4.11, the ENIP dissector could crash. This was addressed in epan/dissectors/packet-enip.c by changing the memory-management approach so that a use-after-free is avoided.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Wireshark Wireshark | >=2.4.0<=2.4.11 | |
| >=2.4.0<=2.4.11 |
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Reference Links
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00027.html
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14470
- https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=1c66174ec7aa19e2ddc79178cf59f15a654fc4fe
- https://www.wireshark.org/security/wnpa-sec-2019-05.html
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=1c66174ec7aa19e2ddc79178cf59f15a654fc4fe
Frequently Asked Questions
What is the severity of CVE-2019-5721?
CVE-2019-5721 has been classified as moderate severity due to the potential for crashes in Wireshark.
How do I fix CVE-2019-5721?
To fix CVE-2019-5721, upgrade Wireshark to version 2.4.12 or later.
What versions of Wireshark are affected by CVE-2019-5721?
Wireshark versions 2.4.0 to 2.4.11 are affected by CVE-2019-5721.
What component is impacted by CVE-2019-5721?
CVE-2019-5721 impacts the ENIP dissector component of Wireshark.
What type of vulnerability is CVE-2019-5721?
CVE-2019-5721 is a use-after-free vulnerability that could lead to application crashes.
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