CVE-2020-17498
MEDIUMCVSS 6.5/10EPSS 2.89%
Last modified
CVE-2020-17498 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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.. EPSS estimates a 2.89% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| 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 |
References
- http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00035.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00038.htmlMailing List, Third Party Advisory
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=16672Exploit, Issue Tracking, Patch, Vendor Advisory
- https://security.gentoo.org/glsa/202008-14Third Party Advisory
- https://www.oracle.com/security-alerts/cpujan2021.htmlPatch, Third Party Advisory
- https://www.wireshark.org/security/wnpa-sec-2020-10.htmlVendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00035.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00038.htmlMailing List, Third Party Advisory
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=16672Exploit, Issue Tracking, Patch, Vendor Advisory
- https://security.gentoo.org/glsa/202008-14Third Party Advisory
- https://www.oracle.com/security-alerts/cpujan2021.htmlPatch, Third Party Advisory
- https://www.wireshark.org/security/wnpa-sec-2020-10.htmlVendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-17498?
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.
How severe is CVE-2020-17498?
CVE-2020-17498 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 2.89% probability of exploitation in the next 30 days.
How do I fix CVE-2020-17498?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2020-17498?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST