Vulnerability in Oracle Zfs Storage Appliance
CVE-2020-26575
In Wireshark through 3.2.7, the Facebook Zero Protocol (aka FBZERO) dissector could enter an infinite loop. This was addressed in epan/dissectors/packet-fbzero.c by correcting the implementation of offset advancement.
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: 0.031 (87.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 88th percentile — 87.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.031 · newest: 0.031 · change: 0.000
Affected products
- Oracle Zfs Storage Appliance
- Oracle Zfs Storage Appliance Firmware — versions 8.8
- Wireshark
- Debian Linux — versions 9.0
- Fedoraproject Fedora — versions 32, 33
Weakness classification (CWE)
Public proof-of-concept exploits
References
- gitlab.com/wireshark/wireshark/-/issues/16887 (Broken Link)
- gitlab.com/wireshark/wireshark/-/merge_requests/467 (Patch, Third Party Advisory)
- gitlab.com/wireshark/wireshark/-/merge_requests/471 (Patch, Third Party Advisory)
- gitlab.com/wireshark/wireshark/-/merge_requests/472 (Patch, Third Party Advisory)
- gitlab.com/wireshark/wireshark/-/merge_requests/473 (Patch, Third Party Advisory)
- gitlab.com/wireshark/wireshark/-/commit/3ff940652962c099b73ae3233322b8697b0d10ab (Patch, Third Party Advisory)
- security.gentoo.org/glsa/202011-08 (vendor-advisory, 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)
- www.oracle.com/security-alerts/cpujan2021.html (Third Party Advisory)
Frequently asked questions
- What is CVE-2020-26575?
- CVE-2020-26575 is a high-severity vulnerability in Oracle Zfs Storage Appliance, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 7.5/10. Published 2020-10-06.
- How severe is CVE-2020-26575?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2020-26575 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.