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Message-ID: <CACmp6kpcEne1tqKHK2Xbceeu9CFwqKE1ARhT_jMYRq=TNZYNcA@mail.gmail.com>
Date: Mon, 17 Apr 2017 10:17:28 -0500
From: Matt Sicker <mattsicker@...che.org>
To: dev@...ging.apache.org, security <security@...che.org>,
"Almeida De Macedo, Marcio" <Marcio.AlmeidaDeMacedo@...m.telstra.com>, oss-security@...ts.openwall.com,
bugtraq@...urityfocus.com
Subject: CVE-2017-5645: Apache Log4j socket receiver deserialization vulnerability
CVE-2017-5645: Apache Log4j socket receiver deserialization vulnerability
Severity: High
CVSS Base Score: 7.5 (AV:N/AC:L/Au:N/C:P/I:P/A:P)
Vendor: The Apache Software Foundation
Versions Affected: all versions from 2.0-alpha1 to 2.8.1
Description: 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.
Mitigation: Java 7+ users should migrate to version 2.8.2 or avoid using
the socket server classes. Java 6 users should avoid using the TCP or UDP
socket server classes, or they can manually backport the security fix from
2.8.2: <https://git-wip-us.apache.org/repos/asf?p=logging-log4j2.
git;h=5dcc192>
Credit: This issue was discovered by Marcio Almeida de Macedo of Red Team
at Telstra
References: <https://issues.apache.org/jira/browse/LOG4J2-1863>
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