CVE-2020-17498: Double Free
First published: Thu Aug 13 2020(Updated: )
In Wireshark 3.2.0 to 3.2.5, the Kafka protocol dissector could crash. This was addressed in epan/dissectors/packet-kafka.c by avoiding a double free during LZ4 decompression.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Wireshark Wireshark | >=3.2.0<3.2.6 | |
| Fedoraproject Fedora | =31 | |
| Fedoraproject Fedora | =32 | |
| openSUSE Leap | =15.1 | |
| openSUSE Leap | =15.2 | |
| Oracle ZFS Storage Appliance Kit | =8.8 | |
| ubuntu/wireshark | <3.2.3-1ubuntu0.1~ | 3.2.3-1ubuntu0.1~ |
| ubuntu/wireshark | <3.2.6-1 | 3.2.6-1 |
| debian/wireshark | 2.6.20-0+deb10u4 2.6.20-0+deb10u8 3.4.10-0+deb11u1 4.0.11-1~deb12u1 4.2.2-1 4.2.2-1.1 |
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Reference Links
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=16672
- https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=76afda963de4f0b9be24f2d8e873990a5cbf221b
- https://www.wireshark.org/security/wnpa-sec-2020-10.html
- https://security.gentoo.org/glsa/202008-14
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/G7LO7DAPN33FL4JQ7DDPB76SIEFGMZSQ/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AII7UYDPNKYE75AZL45M6HAV2COP7F6S/
- http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00035.html
- http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00038.html
- https://www.oracle.com/security-alerts/cpujan2021.html
- https://launchpad.net/bugs/cve/CVE-2020-17498
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=76afda963de4f0b9be24f2d8e873990a5cbf221b
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AII7UYDPNKYE75AZL45M6HAV2COP7F6S/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/G7LO7DAPN33FL4JQ7DDPB76SIEFGMZSQ/
- https://security-tracker.debian.org/tracker/CVE-2020-17498
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-17498
- https://ubuntu.com/security/notices/USN-6262-1
- https://nvd.nist.gov/vuln/detail/CVE-2020-17498
- https://ubuntu.com/security/CVE-2020-17498
Frequently Asked Questions
What is the vulnerability ID for this Wireshark vulnerability?
The vulnerability ID for this Wireshark vulnerability is CVE-2020-17498.
What is the severity of CVE-2020-17498?
The severity of CVE-2020-17498 is medium (6.5).
How can the Kafka protocol dissector crash in Wireshark?
The Kafka protocol dissector in Wireshark can crash due to a double free during LZ4 decompression.
Which versions of Wireshark are affected by CVE-2020-17498?
Wireshark versions 3.2.0 to 3.2.5 are affected by CVE-2020-17498.
How can I fix CVE-2020-17498 in Wireshark?
To fix CVE-2020-17498 in Wireshark, upgrade to version 3.2.6 or later.
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