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apache/logging-log4j2 · Security

Deserialization of Untrusted Data in Log4j

GHSA ID
GHSA-fxph-q3j8-mv87
CVE ID
CVE-2017-5645
Severity
critical
Published
Updated
CVSS
9.8 · CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v3
9.8 · CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

In Apache Log4j 2.x before 2.8.2, when using the TCP socket server or UDP socket server to receive serialized log events from another application, a specially crafted binary payload can be sent that, when deserialized, can execute arbitrary code.

CWEs

  • CWE-502 · Deserialization of Untrusted Data

References