CVE-2017-5645

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.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 94.01% Top 5%
Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory apache.org
Affected: Apache Software Foundation Apache Log4j
Published at:
Updated at:

References

Link Tags
https://access.redhat.com/errata/RHSA-2017:2888 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2017:2809 third party advisory vendor advisory
http://www.securityfocus.com/bid/97702 vdb entry third party advisory
http://www.securitytracker.com/id/1041294 vdb entry third party advisory
https://access.redhat.com/errata/RHSA-2017:2810 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2017:1801 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2017:2889 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2017:2635 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2017:2638 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2017:1417 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2017:2423 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2017:2808 third party advisory vendor advisory
http://www.securitytracker.com/id/1040200 vdb entry third party advisory
https://access.redhat.com/errata/RHSA-2017:2636 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2017:3399 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2017:2637 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2017:3244 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2017:3400 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2017:2633 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2017:2811 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2017:1802 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2019:1545 third party advisory vendor advisory
https://lists.apache.org/thread.html/9317fd092b257a0815434b116a8af8daea6e920b6673f4fd5583d5fe%40%3Ccommits.druid.apache.org%3E mailing list
https://lists.apache.org/thread.html/e8fb7d76a244ee997ba4b217d6171227f7c2521af8c7c5b16cba27bc%40%3Cdev.logging.apache.org%3E mailing list
https://lists.apache.org/thread.html/eea03d504b36e8f870e8321d908e1def1addda16adda04327fe7c125%40%3Cdev.logging.apache.org%3E mailing list
http://www.openwall.com/lists/oss-security/2019/12/19/2 third party advisory mailing list
https://lists.apache.org/thread.html/84cc4266238e057b95eb95dfd8b29d46a2592e7672c12c92f68b2917%40%3Cannounce.apache.org%3E mailing list
https://lists.apache.org/thread.html/0dcca05274d20ef2d72584edcf8c917bbb13dbbd7eb35cae909d02e9%40%3Cdev.logging.apache.org%3E mailing list
https://lists.apache.org/thread.html/8ab32b4c9f1826f20add7c40be08909de9f58a89dc1de9c09953f5ac%40%3Cissues.activemq.apache.org%3E mailing list
https://lists.apache.org/thread.html/44491fb9cc19acc901f7cff34acb7376619f15638439416e3e14761c%40%3Cdev.tika.apache.org%3E mailing list
https://lists.apache.org/thread.html/277b4b5c2b0e06a825ccec565fa65bd671f35a4d58e3e2ec5d0618e1%40%3Cdev.tika.apache.org%3E mailing list
https://lists.apache.org/thread.html/479471e6debd608c837b9815b76eab24676657d4444fcfd5ef96d6e6%40%3Cdev.tika.apache.org%3E mailing list
https://lists.apache.org/thread.html/6114ce566200d76e3cc45c521a62c2c5a4eac15738248f58a99f622c%40%3Cissues.activemq.apache.org%3E mailing list
https://lists.apache.org/thread.html/rf2567488cfc9212b42e34c6393cfa1c14e30e4838b98dda84d71041f%40%3Cdev.tika.apache.org%3E mailing list
https://lists.apache.org/thread.html/r3a85514a518f3080ab1fc2652cfe122c2ccf67cfb32356acb1b08fe8%40%3Cdev.tika.apache.org%3E mailing list
https://lists.apache.org/thread.html/rc1eaed7f7d774d5d02f66e49baced31e04827a1293d61a70bd003ca7%40%3Cdev.tika.apache.org%3E mailing list
https://lists.apache.org/thread.html/r681b4432d0605f327b68b9f8a42662993e699d04614de4851c35ffd1%40%3Cdev.tika.apache.org%3E mailing list
https://lists.apache.org/thread.html/ra38785cfc0e7f17f8e24bebf775dd032c033fadcaea29e5bc9fffc60%40%3Cdev.tika.apache.org%3E mailing list
https://lists.apache.org/thread.html/r746fbc3fc13aee292ae6851f7a5080f592fa3a67b983c6887cdb1fc5%40%3Cdev.tika.apache.org%3E mailing list
https://lists.apache.org/thread.html/rdec0d8ac1f03e6905b0de2df1d5fcdb98b94556e4f6cccf7519fdb26%40%3Cdev.tika.apache.org%3E mailing list
https://lists.apache.org/thread.html/rca24a281000fb681d7e26e5c031a21eb4b0593a7735f781b53dae4e2%40%3Cdev.tika.apache.org%3E mailing list
https://lists.apache.org/thread.html/r4b25538be50126194cc646836c718b1a4d8f71bd9c912af5b59134ad%40%3Cdev.tika.apache.org%3E mailing list
https://lists.apache.org/thread.html/rd5dbeee4808c0f2b9b51479b50de3cc6adb1072c332a200d9107f13e%40%3Cissues.activemq.apache.org%3E mailing list
https://lists.apache.org/thread.html/r7bcdc710857725c311b856c0b82cee6207178af5dcde1bd43d289826%40%3Cissues.activemq.apache.org%3E mailing list
https://lists.apache.org/thread.html/raedd12dc24412b3780432bf202a2618a21a727788543e5337a458ead%40%3Cissues.activemq.apache.org%3E mailing list
https://lists.apache.org/thread.html/r2ff63f210842a3c5e42f03a35d8f3a345134d073c80a04077341c211%40%3Cissues.activemq.apache.org%3E mailing list
https://lists.apache.org/thread.html/r3d666e4e8905157f3c046d31398b04f2bfd4519e31f266de108c6919%40%3Cissues.activemq.apache.org%3E mailing list
https://lists.apache.org/thread.html/r61590890edcc64140e0c606954b29a063c3d08a2b41d447256d51a78%40%3Cissues.activemq.apache.org%3E mailing list
https://lists.apache.org/thread.html/r2ce8d26154bea939536e6cf27ed02d3192bf5c5d04df885a80fe89b3%40%3Cissues.activemq.apache.org%3E mailing list
https://lists.apache.org/thread.html/re8c21ed9dd218c217d242ffa90778428e446b082b5e1c29f567e8374%40%3Cissues.activemq.apache.org%3E mailing list
https://lists.apache.org/thread.html/rb1b29aee737e1c37fe1d48528cb0febac4f5deed51f5412e6fdfe2bf%40%3Cissues.activemq.apache.org%3E mailing list
https://lists.apache.org/thread.html/r18f1c010b554a3a2d761e8ffffd8674fd4747bcbcf16c643d708318c%40%3Cissues.activemq.apache.org%3E mailing list
https://lists.apache.org/thread.html/ra9a682bc0a8dff1c5cefdef31c7c25f096d9121207cf2d74e2fc563d%40%3Ccommits.logging.apache.org%3E mailing list
https://www.oracle.com/security-alerts/cpuapr2020.html third party advisory
http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html patch
http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html patch
http://www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.html patch
http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html third party advisory patch
https://www.oracle.com/security-alerts/cpujul2020.html third party advisory
https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html third party advisory patch
https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html third party advisory patch
https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html third party advisory patch
https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html third party advisory patch
https://www.oracle.com/security-alerts/cpujan2020.html third party advisory
https://security.netapp.com/advisory/ntap-20181107-0002/ third party advisory
https://security.netapp.com/advisory/ntap-20180726-0002/ third party advisory
https://issues.apache.org/jira/browse/LOG4J2-1863 issue tracking vendor advisory
https://lists.apache.org/thread.html/r1b103833cb5bc8466e24ff0ecc5e75b45a705334ab6a444e64e840a0%40%3Cissues.bookkeeper.apache.org%3E mailing list
https://lists.apache.org/thread.html/r3784834e80df2f284577a5596340fb84346c91a2dea6a073e65e3397%40%3Cissues.activemq.apache.org%3E mailing list
https://lists.apache.org/thread.html/rf1bbc0ea4a9f014cf94df9a12a6477d24a27f52741dbc87f2fd52ff2%40%3Cissues.geode.apache.org%3E mailing list
https://www.oracle.com/security-alerts/cpuoct2020.html third party advisory
https://www.oracle.com/security-alerts/cpujan2021.html third party advisory
https://lists.apache.org/thread.html/rcbb79023a7c8494cb389cd3d95420fa9e0d531ece0b780b8c1f99422%40%3Ccommits.doris.apache.org%3E mailing list
https://lists.apache.org/thread.html/r0831e2e52a390758ce39a6193f82c11c295175adce6e6307de28c287%40%3Cissues.beam.apache.org%3E mailing list
https://www.oracle.com/security-alerts/cpuApr2021.html third party advisory
https://lists.apache.org/thread.html/rbfa7a0742be4981a3f9356a23d0e1a5f2e1eabde32a1a3d8e41420f8%40%3Cgithub.beam.apache.org%3E mailing list
https://lists.apache.org/thread.html/r23369fd603eb6d62d3b883a0a28d12052dcbd1d6d531137124cd7f83%40%3Cgithub.beam.apache.org%3E mailing list
https://lists.apache.org/thread.html/r9d5c1b558a15d374bd5abd2d3ae3ca7e50e796a0efdcf91e9c5b4cdd%40%3Cgithub.beam.apache.org%3E mailing list
https://lists.apache.org/thread.html/r94b5aae09c4bcff5d06cf641be17b00bd83ba7e10cad737bf16a1b8f%40%3Cgithub.beam.apache.org%3E mailing list
https://lists.apache.org/thread.html/rdbd579dc223f06af826d7de340218ee2f80d8b43fa7e4decb2a63f44%40%3Cgithub.beam.apache.org%3E mailing list
https://www.oracle.com/security-alerts/cpuoct2021.html third party advisory
https://www.oracle.com/security-alerts/cpujan2022.html third party advisory

Frequently Asked Questions

What is the severity of CVE-2017-5645?
CVE-2017-5645 has been scored as a critical severity vulnerability.
How to fix CVE-2017-5645?
To fix CVE-2017-5645, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-5645 being actively exploited in the wild?
It is possible that CVE-2017-5645 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~94% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2017-5645?
CVE-2017-5645 affects Apache Software Foundation Apache Log4j.
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