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CVE-2020-25862

nvd nist
Published: Oct 6, 2020Modified: Jun 17, 2026

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7.5
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Exploitability: 3.9 / Impact: 3.6
Source: NVD

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 (10)

Products: Wireshark: Wireshark · Fedoraproject: Fedora · Opensuse: Leap · +2 more
Show all products
Wireshark: Wireshark · Fedoraproject: Fedora · Opensuse: Leap · Debian: Debian Linux · Oracle: Zfs Storage Appliance Firmware
Wireshark
1 product
Wireshark
Fedoraproject
1 product
Fedora
Opensuse
1 product
Leap
Debian
1 product
Debian Linux
Oracle
1 product
Zfs Storage Appliance Firmware
Configuration A
3 vulnerable
Vulnerable SoftwareAffected Versions
Wireshark
Wireshark
From 2.6.0 to 2.6.20
Wireshark
From 3.0.0 to 3.0.13
Wireshark
From 3.2.0 to 3.2.6
Configuration B
3 vulnerable
Vulnerable SoftwareAffected Versions
Fedoraproject
Fedora
Version 31
Fedora
Version 32
Fedora
Version 33
Configuration C
2 vulnerable
Vulnerable SoftwareAffected Versions
Opensuse
Leap
Version 15.1
Leap
Version 15.2
Configuration D
1 vulnerable
Vulnerable SoftwareAffected Versions
Debian Linux
Version 9.0
Configuration E
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Zfs Storage Appliance Firmware
Version 8.8
Running on/withPlatform Versions
Oracle
Zfs Storage Appliance Firmware
All versions

Related CWEs

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.

References (20)

Source: cve@mitre.org
Mailing ListThird Party Advisory
Source: cve@mitre.org
Mailing ListThird Party Advisory
Source: cve@mitre.org
PatchThird Party Advisory
Source: cve@mitre.org
ExploitIssue TrackingThird Party Advisory
Source: cve@mitre.org
Mailing ListThird Party Advisory
Source: cve@mitre.org
Source: cve@mitre.org
Source: cve@mitre.org
Source: cve@mitre.org
PatchThird Party Advisory
Source: cve@mitre.org
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing ListThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing ListThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
PatchThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
ExploitIssue TrackingThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing ListThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
PatchThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory

Timeline

No history available yet.