Vulnerability in Oracle Zfs Storage Appliance Firmware
CVE-2020-25862
In Wireshark 3.2.0 to 3.2.6, 3.0.0 to 3.0.13, and 2.6.0 to 2.6.20, the TCP dissector could crash. This was addressed in epan/dissectors/packet-tcp.c by changing the handling of the invalid 0xFFFF checksum.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.024 (83.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 83.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.024 · newest: 0.024 · change: 0.000
Affected products
- Oracle Zfs Storage Appliance Firmware — versions 8.8
- Wireshark
- Debian Linux — versions 9.0
- Fedoraproject Fedora — versions 31, 32, 33
- openSUSE Leap — versions 15.1, 15.2
Weakness classification (CWE)
References
- www.wireshark.org/security/wnpa-sec-2020-12.html (Vendor Advisory)
- gitlab.com/wireshark/wireshark/-/issues/16816 (Exploit, Third Party Advisory, Issue Tracking)
- gitlab.com/wireshark/wireshark/-/commit/7f3fe6164a68b76d9988c4253b24d43f498f1753 (Patch, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.opensuse.org/opensuse-security-announce/2020-11/msg00035.html (vendor-advisory, Mailing List, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2020-11/msg00038.html (vendor-advisory, Mailing List, Third Party Advisory)
- www.oracle.com/security-alerts/cpujan2021.html (Patch, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2021/02/msg00008.html (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-25862?
- CVE-2020-25862 is a high-severity vulnerability in Oracle Zfs Storage Appliance Firmware, classified under Improper Validation of Integrity Check Value. CVSS score: 7.5/10. Published 2020-10-06.
- How severe is CVE-2020-25862?
- High severity. CVSS v3 base score is 7.5 out of 10.