CVEvulnerability
CVE-2020-25862
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2020-10-06
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-354
Description
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.
Affected configurations
• wireshark wireshark (>= 2.6.0 <= 2.6.20)
• wireshark wireshark (>= 3.0.0 <= 3.0.13)
• wireshark wireshark (>= 3.2.0 <= 3.2.6)
• fedoraproject fedora 31
• fedoraproject fedora 32
• fedoraproject fedora 33
• opensuse leap 15.1
• opensuse leap 15.2
• debian debian linux 9.0
• oracle zfs storage appliance firmware 8.8
Related
Weakness · CWE (1)
- CWE-354 Improper Validation of Integrity Check Value weakness
References
- http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00035.html Mailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00038.html Mailing List, Third Party Advisory
- https://gitlab.com/wireshark/wireshark/-/commit/7f3fe6164a68b76d9988c4253b24d43f498f1753 Patch, Third Party Advisory
- https://gitlab.com/wireshark/wireshark/-/issues/16816 Exploit, Issue Tracking, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/02/msg00008.html Mailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4DQHPKZFQ7W3X34RYN3FWFYCFJD4FXJW/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6IGRYKW4XLR44YDWTAH547ODYYBYPB2D/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZUHMK5HYTUUDXA64T2TAMAFMYV674QBW/ lists.fedoraproject.org
- https://www.oracle.com/security-alerts/cpujan2021.html Patch, Third Party Advisory
- https://www.wireshark.org/security/wnpa-sec-2020-12.html Vendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00035.html Mailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00038.html Mailing List, Third Party Advisory
- https://gitlab.com/wireshark/wireshark/-/commit/7f3fe6164a68b76d9988c4253b24d43f498f1753 Patch, Third Party Advisory
- https://gitlab.com/wireshark/wireshark/-/issues/16816 Exploit, Issue Tracking, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/02/msg00008.html Mailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4DQHPKZFQ7W3X34RYN3FWFYCFJD4FXJW/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6IGRYKW4XLR44YDWTAH547ODYYBYPB2D/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZUHMK5HYTUUDXA64T2TAMAFMYV674QBW/ lists.fedoraproject.org
- https://www.oracle.com/security-alerts/cpujan2021.html Patch, Third Party Advisory
- https://www.wireshark.org/security/wnpa-sec-2020-12.html Vendor Advisory