Resource exhaustion in Wireshark
CVE-2020-28030
In Wireshark 3.2.0 to 3.2.7, the GQUIC dissector could crash. This was addressed in epan/dissectors/packet-gquic.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: 0.021 (80.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 80.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: 0.000
Affected products
- Wireshark
- Debian Linux — versions 9.0
- Fedoraproject Fedora — versions 32, 33
Weakness classification (CWE)
References
- gitlab.com/wireshark/wireshark/-/issues/16887 (Exploit, Third Party Advisory, Issue Tracking)
- www.wireshark.org/security/wnpa-sec-2020-15.html (Vendor Advisory)
- gitlab.com/wireshark/wireshark/-/commit/b287e7165e8aa89cde6ae37e7c257c5d87d16b9b (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.debian.org/debian-lts-announce/2021/02/msg00008.html (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-28030?
- CVE-2020-28030 is a high-severity vulnerability in Wireshark, classified under Incorrect Calculation. CVSS score: 7.5/10. Published 2020-11-02.
- How severe is CVE-2020-28030?
- High severity. CVSS v3 base score is 7.5 out of 10.