CVE-2020-9488 Information

Description

Improper validation of certificate with host mismatch in Apache Log4j SMTP appender. This could allow an SMTPS connection to be intercepted by a man-in-the-middle attack which could leak any log messages sent through that appender.

CVSS Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

Reference

https://issues.apache.org/jira/browse/LOG4J2-2819 https://lists.apache.org/thread.html/r0a2699f724156a558afd1abb6c044fb9132caa66dce861b82699722a@3Cjira.kafka.apache.org3E https://lists.apache.org/thread.html/r0df3d7a5acb98c57e64ab9266aa21eeee1d9b399addb96f9cf1cbe05@3Cdev.zookeeper.apache.org3E https://lists.apache.org/thread.html/r2f209d271349bafd91537a558a279c08ebcff8fa3e547357d58833e6@3Cdev.zookeeper.apache.org3E https://lists.apache.org/thread.html/r393943de452406f0f6f4b3def9f8d3c071f96323c1f6ed1a098f7fe4@3Ctorque-dev.db.apache.org3E https://lists.apache.org/thread.html/r4285398e5585a0456d3d9db021a4fce6e6fcf3ec027dfa13a450ec98@3Cissues.zookeeper.apache.org3E https://lists.apache.org/thread.html/r48bcd06049c1779ef709564544c3d8a32ae6ee5c3b7281a606ac4463@3Cjira.kafka.apache.org3E https://lists.apache.org/thread.html/r48efc7cb5aeb4e1f67aaa06fb4b5479a5635d12f07d0b93fc2d08809@3Ccommits.zookeeper.apache.org3E https://lists.apache.org/thread.html/r7641ee788e1eb1be4bb206a7d15f8a64ec6ef23e5ec6132d5a567695@3Cnotifications.zookeeper.apache.org3E https://lists.apache.org/thread.html/r7e5c10534ed06bf805473ac85e8412fe3908a8fa4cabf5027bf11220@3Cdev.kafka.apache.org3E https://lists.apache.org/thread.html/r7e739f2961753af95e2a3a637828fb88bfca68e5d6b0221d483a9ee5@3Cnotifications.zookeeper.apache.org3E https://lists.apache.org/thread.html/r8c001b9a95c0bbec06f4457721edd94935a55932e64b82cc5582b846@3Cissues.zookeeper.apache.org3E https://lists.apache.org/thread.html/r8e96c340004b7898cad3204ea51280ef6e4b553a684e1452bf1b18b1@3Cjira.kafka.apache.org3E https://lists.apache.org/thread.html/r9a79175c393d14d760a0ae3731b4a873230a16ef321aa9ca48a810cd@3Cissues.zookeeper.apache.org3E https://lists.apache.org/thread.html/rbc45eb0f53fd6242af3e666c2189464f848a851d408289840cecc6e3@3Ccommits.zookeeper.apache.org3E https://lists.apache.org/thread.html/rc6b81c013618d1de1b5d6b8c1088aaf87b4bacc10c2371f15a566701@3Cnotifications.zookeeper.apache.org3E https://lists.apache.org/thread.html/rd55f65c6822ff235eda435d31488cfbb9aa7055cdf47481ebee777cc@3Cissues.zookeeper.apache.org3E https://lists.apache.org/thread.html/rd8e87c4d69df335d0ba7d815b63be8bd8a6352f429765c52eb07ddac@3Cissues.zookeeper.apache.org3E https://lists.apache.org/thread.html/rec34b1cccf907898e7cb36051ffac3ccf1ea89d0b261a2a3b3fb267f@3Ccommits.zookeeper.apache.org3E https://lists.apache.org/thread.html/rf1c2a81a08034c688b8f15cf58a4cfab322d00002ca46d20133bee20@3Cdev.kafka.apache.org3E https://security.netapp.com/advisory/ntap-20200504-0003/ https://www.oracle.com/security-alerts/cpujul2020.html https://www.oracle.com/security-alerts/cpuoct2020.html

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

LOW

Availability Impact

NONE

Base Score

NONE

Base Severity

3.7