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.
Remediation
References
https://issues.apache.org/jira/browse/LOG4J2-1863
http://www.securityfocus.com/bid/97702
https://access.redhat.com/errata/RHSA-2017:3244
https://access.redhat.com/errata/RHSA-2017:2889
https://access.redhat.com/errata/RHSA-2017:2888
https://access.redhat.com/errata/RHSA-2017:2811
https://access.redhat.com/errata/RHSA-2017:2810
https://access.redhat.com/errata/RHSA-2017:2809
https://access.redhat.com/errata/RHSA-2017:2808
https://access.redhat.com/errata/RHSA-2017:3400
https://access.redhat.com/errata/RHSA-2017:3399
https://access.redhat.com/errata/RHSA-2017:2638
https://access.redhat.com/errata/RHSA-2017:2637
https://access.redhat.com/errata/RHSA-2017:2636
https://access.redhat.com/errata/RHSA-2017:2635
https://access.redhat.com/errata/RHSA-2017:2633
https://access.redhat.com/errata/RHSA-2017:2423
https://access.redhat.com/errata/RHSA-2017:1802
https://access.redhat.com/errata/RHSA-2017:1801
https://access.redhat.com/errata/RHSA-2017:1417
http://www.securitytracker.com/id/1040200
http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html
http://www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.html
http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html
https://security.netapp.com/advisory/ntap-20180726-0002/
http://www.securitytracker.com/id/1041294
http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
https://security.netapp.com/advisory/ntap-20181107-0002/
https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html
https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html
https://access.redhat.com/errata/RHSA-2019:1545
https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html
https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html
http://www.openwall.com/lists/oss-security/2019/12/19/2
https://www.oracle.com/security-alerts/cpujan2020.html
https://www.oracle.com/security-alerts/cpuapr2020.html
https://www.oracle.com/security-alerts/cpujul2020.html
https://www.oracle.com/security-alerts/cpuoct2020.html
https://www.oracle.com/security-alerts/cpujan2021.html
https://www.oracle.com/security-alerts/cpuApr2021.html
https://www.oracle.com/security-alerts/cpuoct2021.html
https://www.oracle.com/security-alerts/cpujan2022.html
https://lists.apache.org/thread.html/9317fd092b257a0815434b116a8af8daea6e920b6673f4fd5583d5fe%40%3Ccommits.druid.apache.org%3E
https://lists.apache.org/thread.html/e8fb7d76a244ee997ba4b217d6171227f7c2521af8c7c5b16cba27bc%40%3Cdev.logging.apache.org%3E
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https://lists.apache.org/thread.html/0dcca05274d20ef2d72584edcf8c917bbb13dbbd7eb35cae909d02e9%40%3Cdev.logging.apache.org%3E
https://lists.apache.org/thread.html/8ab32b4c9f1826f20add7c40be08909de9f58a89dc1de9c09953f5ac%40%3Cissues.activemq.apache.org%3E
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https://lists.apache.org/thread.html/r7bcdc710857725c311b856c0b82cee6207178af5dcde1bd43d289826%40%3Cissues.activemq.apache.org%3E
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https://lists.apache.org/thread.html/r2ff63f210842a3c5e42f03a35d8f3a345134d073c80a04077341c211%40%3Cissues.activemq.apache.org%3E
https://lists.apache.org/thread.html/r3d666e4e8905157f3c046d31398b04f2bfd4519e31f266de108c6919%40%3Cissues.activemq.apache.org%3E
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https://lists.apache.org/thread.html/re8c21ed9dd218c217d242ffa90778428e446b082b5e1c29f567e8374%40%3Cissues.activemq.apache.org%3E
https://lists.apache.org/thread.html/rb1b29aee737e1c37fe1d48528cb0febac4f5deed51f5412e6fdfe2bf%40%3Cissues.activemq.apache.org%3E
https://lists.apache.org/thread.html/r18f1c010b554a3a2d761e8ffffd8674fd4747bcbcf16c643d708318c%40%3Cissues.activemq.apache.org%3E
https://lists.apache.org/thread.html/ra9a682bc0a8dff1c5cefdef31c7c25f096d9121207cf2d74e2fc563d%40%3Ccommits.logging.apache.org%3E
https://lists.apache.org/thread.html/r1b103833cb5bc8466e24ff0ecc5e75b45a705334ab6a444e64e840a0%40%3Cissues.bookkeeper.apache.org%3E
https://lists.apache.org/thread.html/r3784834e80df2f284577a5596340fb84346c91a2dea6a073e65e3397%40%3Cissues.activemq.apache.org%3E
https://lists.apache.org/thread.html/rf1bbc0ea4a9f014cf94df9a12a6477d24a27f52741dbc87f2fd52ff2%40%3Cissues.geode.apache.org%3E
https://lists.apache.org/thread.html/rcbb79023a7c8494cb389cd3d95420fa9e0d531ece0b780b8c1f99422%40%3Ccommits.doris.apache.org%3E
https://lists.apache.org/thread.html/r0831e2e52a390758ce39a6193f82c11c295175adce6e6307de28c287%40%3Cissues.beam.apache.org%3E
https://lists.apache.org/thread.html/rbfa7a0742be4981a3f9356a23d0e1a5f2e1eabde32a1a3d8e41420f8%40%3Cgithub.beam.apache.org%3E
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https://lists.apache.org/thread.html/rdbd579dc223f06af826d7de340218ee2f80d8b43fa7e4decb2a63f44%40%3Cgithub.beam.apache.org%3E
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