Resource exhaustion in Oracle Zfs Storage Appliance Kit
CVE-2021-22207
Excessive memory consumption in MS-WSP dissector in Wireshark 3.4.0 to 3.4.4 and 3.2.0 to 3.2.12 allows denial of service via packet injection or crafted capture file
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.020 (80.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 80.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.020 · newest: 0.020 · change: 0.000
Affected products
- Oracle Zfs Storage Appliance Kit — versions 8.8
- The Wireshark Foundation — versions >=3.4.0, <3.4.5, >=3.2.0, <3.2.13
- Wireshark
- Debian Linux — versions 9.0, 10.0, 11.0
- Fedoraproject Fedora — versions 33, 34
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.wireshark.org/security/wnpa-sec-2021-04.html (Vendor Advisory)
- gitlab.com/wireshark/wireshark/-/issues/17331 (Exploit, Third Party Advisory)
- gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22207.json (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)
- security.gentoo.org/glsa/202107-21 (vendor-advisory, Third Party Advisory)
- www.oracle.com/security-alerts/cpuoct2021.html (Patch, Third Party Advisory)
- www.debian.org/security/2021/dsa-5019 (vendor-advisory, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2021/12/msg00015.html (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-22207?
- CVE-2021-22207 is a medium-severity vulnerability in Oracle Zfs Storage Appliance Kit, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 5.5/10. Published 2021-04-23.
- How severe is CVE-2021-22207?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2021-22207 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.