CVE-2020-25862 — Improper Validation of Integrity Check Value in Wireshark

CWE-354 — Improper Validation of Integrity Check ValueCWE-20 — Improper Input ValidationCWE-1321 — Prototype Pollution10 documents9 sources
Severity
7.5HIGHNVD
GHSA5.3
EPSS
0.3%
top 46.91%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
5
WiresharkDebian LinuxFedoraproject Fedora+2 more
Timeline
PublishedOct 6
Latest updateJul 31

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages4 packages

▶Debianwireshark/wireshark< 3.2.7-1+3
▶NVDwireshark/wireshark2.6.0 — 2.6.20+2
▶NVDopensuse/leap15.1, 15.2+1

Also affects: Debian Linux 9.0, Fedora 31, 32, 33

Patches

Patch: gitlab.com ↗Patch: www.oracle.com ↗Patch: gitlab.com ↗

🔴Vulnerability Details

4
GHSA
GHSA-pjfh-cvv7-x572: In Wireshark 3↗2022-05-24
▶
GHSA
Prototype Pollution in sds↗2022-05-14
▶
OSV
CVE-2020-25862: In Wireshark 3↗2020-10-06
▶
CVEList
CVE-2020-25862: In Wireshark 3↗2020-10-06
▶

📋Vendor Advisories

3
Ubuntu
Wireshark vulnerabilities↗2023-07-31
▶
Red Hat
wireshark: TCP dissector crash (wnpa-sec-2020-12)↗2020-09-23
▶
Debian
CVE-2020-25862: wireshark - 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 disse...↗2020
▶

💬Community

2
Bugzilla
CVE-2020-25862 wireshark: TCP dissector crash (wnpa-sec-2020-12)↗2020-10-07
▶
Bugzilla
CVE-2020-25862 wireshark: TCP dissector crash (wnpa-sec-2020-12) [fedora-all]↗2020-10-07
▶
CVE-2020-25862 — Wireshark vulnerability | cvebase