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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