Vulnerability Details : 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.
Vulnerability category: Memory Corruption
Products affected by CVE-2020-17498
- cpe:2.3:a:oracle:zfs_storage_appliance_kit:8.8:*:*:*:*:*:*:*
- cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-17498
0.22%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 60 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-17498
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST | |
|
6.5
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
2.8
|
3.6
|
NIST |
CWE ids for CVE-2020-17498
-
The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-17498
-
https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=76afda963de4f0b9be24f2d8e873990a5cbf221b
code.wireshark Code Review - wireshark.git/commitPatch;Vendor Advisory
-
https://www.wireshark.org/security/wnpa-sec-2020-10.html
Wireshark · wnpa-sec-2020-10 · Kafka dissector crashVendor Advisory
-
https://www.oracle.com/security-alerts/cpujan2021.html
Oracle Critical Patch Update Advisory - January 2021Patch;Third Party Advisory
-
https://security.gentoo.org/glsa/202008-14
Wireshark: Denial of service (GLSA 202008-14) — Gentoo securityThird Party Advisory
-
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=16672
16672 – Buildbot crash output: fuzz-2020-07-01-11491.pcapExploit;Issue Tracking;Patch;Vendor Advisory
-
http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00035.html
[security-announce] openSUSE-SU-2020:1878-1: moderate: Security update fMailing List;Third Party Advisory
-
http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00038.html
[security-announce] openSUSE-SU-2020:1882-1: moderate: Security update fMailing List;Third Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/G7LO7DAPN33FL4JQ7DDPB76SIEFGMZSQ/
[SECURITY] Fedora 31 Update: wireshark-3.2.6-1.fc31 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AII7UYDPNKYE75AZL45M6HAV2COP7F6S/
[SECURITY] Fedora 32 Update: wireshark-3.2.6-1.fc32 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
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