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Vulnerability · Published Oct 6, 2020 · Assigned by mitre

CVE-2020-25862

High 7.5

In plain English

A high-severity security flaw in the wireshark package (Alpine). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.4% (higher than 84% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)7.5High
Exploit odds (30 days)2.4%top 16.2% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official 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 packages & fixed versions

EcosystemPackageFixed inAdvisory
Alpine:v3.20wireshark3.2.7-r0ALPINE-CVE-2020-25862
Alpine:v3.21wireshark3.2.7-r0ALPINE-CVE-2020-25862
Alpine:v3.22wireshark3.2.7-r0ALPINE-CVE-2020-25862
Alpine:v3.23wireshark3.2.7-r0ALPINE-CVE-2020-25862
Alpine:v3.24wireshark3.2.7-r0ALPINE-CVE-2020-25862
Debian:12wireshark3.2.7-1DEBIAN-CVE-2020-25862
Debian:13wireshark3.2.7-1DEBIAN-CVE-2020-25862
Debian:14wireshark3.2.7-1DEBIAN-CVE-2020-25862

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

References