7.5

CVE-2020-25862

Exploit
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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Wireshark ≫ Wireshark Version >= 2.6.0 <= 2.6.20
Wireshark ≫ Wireshark Version >= 3.0.0 <= 3.0.13
Wireshark ≫ Wireshark Version >= 3.2.0 <= 3.2.6
Fedoraproject ≫ Fedora Version31
Fedoraproject ≫ Fedora Version32
Fedoraproject ≫ Fedora Version33
Opensuse ≫ Leap Version15.1
Opensuse ≫ Leap Version15.2
Debian ≫ Debian Linux Version9.0
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 2.45% 0.824
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
nvd@nist.gov 5 10 2.9
AV:N/AC:L/Au:N/C:N/I:N/A:P
CWE-354 Improper Validation of Integrity Check Value

The product does not validate or incorrectly validates the integrity check values or "checksums" of a message. This may prevent it from detecting if the data has been modified or corrupted in transmission.

https://www.oracle.com/security-alerts/cpujan2021.html
Patch
Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/02/msg00008.html
Third Party Advisory
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00035.html
Third Party Advisory
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00038.html
Third Party Advisory
Mailing List
https://gitlab.com/wireshark/wireshark/-/commit/7f3fe6164a68b76d9988c4253b24d43f498f1753
Patch
Third Party Advisory
https://gitlab.com/wireshark/wireshark/-/issues/16816
Third Party Advisory
Exploit
Issue Tracking
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4DQHPKZFQ7W3X34RYN3FWFYCFJD4FXJW/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6IGRYKW4XLR44YDWTAH547ODYYBYPB2D/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZUHMK5HYTUUDXA64T2TAMAFMYV674QBW/
https://www.wireshark.org/security/wnpa-sec-2020-12.html
Vendor Advisory