漏洞描述 Apache Log4j2 是一个基于 Java 的日志记录工具。该工具重写了 Log4j 框架,并且引入了大量丰富的特性。该日志框架被大量用于业务系统开发,用来记录日志信息。 在大多数情况下,开发者可能会将用户输入导致的错误信息写入日志中。攻击者利用此特性可通过该漏洞构造特殊的数据请求包,最终触发远程代码执行。由于该漏洞影响范围极广,建议广大用户及时排查相关漏洞,经过白帽汇安全研究院分析确认,目前市面有多款流行的系统都受影响。 该漏洞危害等级:严重 影响范围Apache Log4j 2.x < 2.15.0-rc2 已知影响组件- Apache Struts2
- Apache Solr
- Apache Flink
- Apache Druid
- flume
- dubbo
- logstash
- VMware Horizon
- VMware vCenter Server
- VMware HCX
- VMware NSX-T Data Center
- VMware Unified Access Gateway
- VMware WorkspaceOne Access
- VMware Identity Manager`
- VMware vRealize Operations
- VMware vRealize Operations Cloud Proxy
- VMware vRealize Log Insight
- VMware vRealize Automation
- VMware vRealize Lifecycle Manager
- VMware Telco Cloud Automation
- VMware Site Recovery Manager
- VMware Carbon Black Cloud Workload Appliance
- VMware Carbon Black EDR Server
- VMware Tanzu GemFire
- VMware Tanzu Greenplum
- VMware Tanzu Operations Manager
- VMware Tanzu Application Service for VMs
- VMware Tanzu Kubernetes Grid Integrated Edition
- VMware Tanzu Observability by Wavefront Nozzle
- Healthwatch for Tanzu Application Service
- Spring Cloud Services for VMware Tanzu
- Spring Cloud Gateway for VMware Tanzu
- Spring Cloud Gateway for Kubernetes
- API Portal for VMware Tanzu
- Single Sign-On for VMware Tanzu Application Service
- App Metrics
- VMware vCenter Cloud Gateway
- VMware Tanzu SQL with MySQL for VMs
- VMware vRealize Orchestrator
- VMware Cloud Foundation
- VMware Workspace ONE Access Connector
- VMware Horizon DaaS
- VMware Horizon Cloud Connector
( c( O' Q) b7 P5 o( j 受影响开源组件项目 仓库地址 版本 ' ?) w" o0 ~) M. X8 i% S. C! ]2 b$ T _
elasticsearch(org.elasticsearch)https://github.com/elastic/elasticsearch8.0.0-alpha2 等(共 100 个)
" U* n' p1 t* g5 kspring-webflux(org.springframework)https://github.com/spring-projects/spring-framework5.2.6.RELEASE 等(共 40 个)
! ~8 O5 g) i9 K/ e6 x fdruid(com.alibaba)https://github.com/alibaba/druid1.2.8 等(共 68 个)+ g8 C' l3 y( d3 N& b
hystrix-rx-netty-metrics-stream(com.netflix.hystrix)https://github.com/Netflix/Hystrix1.5.4 等(共 2 个)0 G* A+ R; ?- k- A* d6 U% c; q+ A
spring-cloud-starter-alibaba-sentinel(com.alibaba.cloud)https://github.com/alibaba/spring-cloud-alibaba2021.1 等(共 14 个)
3 K( k+ g9 z: K) Q: ^. Ispring-boot-starter-ahas-sentinel-client(com.alibaba.csp)https://github.com/alibaba/Sentinel1.3.2 等(共 17 个)
7 z/ }$ Y9 J/ I3 C* Lredisson(org.redisson)https://github.com/redisson/redisson2.2.24 等(共 3 个)' q4 P* F' p8 N# v; x
HikariCP(com.zaxxer)https://github.com/brettwooldridge/HikariCP5.0.0 等(共 27 个)
" ]* O. o& S* Xzipkin-collector-service(io.zipkin)https://github.com/openzipkin/zipkin1.40.2 等(共 27 个)
1 v7 l4 D& j+ C6 a; Xmybatis-plus(com.baomidou)https://github.com/baomidou/mybatis-plus3.4.3.4 等(共 41 个)
, y) |& u7 h( H* I: [( a# Uzuul-sample(com.netflix.zuul)https://github.com/Netflix/zuul2.3.0 等(共 10 个)
1 }6 W- a' [1 I: _watson-data-api-client(com.ibm.watson.data)https://github.com/OpenAPITools/openapi-generator0.1 等(共 1 个)* J- u/ H3 T# f* l$ K6 K" k
spring-boot-admin-sample-consul(de.codecentric)https://github.com/codecentric/spring-boot-admin2.5.4 等(共 40 个)- i/ p2 X! X- f9 {
jedis(redis.clients)https://github.com/redis/jedisjedis-3.6.2 等(共 36 个)
6 W$ V$ k: o+ s+ w! V. e2 igrpc-benchmarks(io.grpc)https://github.com/grpc/grpc-java1.9.1 等(共 65 个)2 g2 l9 f1 ]7 B4 W# w
ktor-client-json-tests(io.ktor)https://github.com/ktorio/ktor1.6.7 等(共 32 个)) h$ C4 n& f4 `7 ]6 k9 H
gitbucket_2.13(io.github.gitbucket)https://github.com/gitbucket/gitbucket4.32.0 等(共 27 个): p5 Z( n6 [7 N2 u& M1 I7 b
finagle-zipkin_2.12(com.twitter)https://github.com/twitter/finagle7.1.0 等(共 56 个)
0 Z q$ c& S8 A! Cresilience4j-vertx(io.github.resilience4j)https://github.com/resilience4j/resilience4j0.9.0 等(共 9 个). h0 E* e* q0 A+ _& [) N
elasticsearch-sql(org.nlpcn)https://github.com/NLPchina/elasticsearch-sql6.8.13.0 等(共 9 个)7 B$ G; V8 G7 a, Q. y
exposed-spring-boot-starter(org.jetbrains.exposed)https://github.com/JetBrains/Exposed0.36.2 等(共 11 个)
) a6 D8 e y* j2 w! H& @. G3 cblade-sql2o(com.bladejava)https://github.com/lets-blade/blade1.2.9 等(共 1 个)
1 I' a& g, O- o7 tnetty-socketio(com.corundumstudio.socketio)https://github.com/mrniko/netty-socketio1.7.19 等(共 8 个)
& C0 y6 B0 a; d8 V* b0 [. Rspringfox-swagger2(io.springfox)https://github.com/springfox/springfox2.10.5 等(共 6 个) x5 H. c$ w/ v0 t8 s
main_2.12(org.scala-sbt)https://github.com/sbt/sbt1.6.0-RC1 等(共 88 个)
u4 x+ a# p! P: w# blettuce-core(io.lettuce)https://github.com/lettuce-io/lettuce-core6.1.5.RELEASE 等(共 42 个): N( `, W' l V6 j! C
repository-azure(org.opensearch.plugin)https://github.com/opensearch-project/OpenSearch1.2.0 等(共 3 个)
+ o' P0 c9 R7 S9 W6 u; }1 Y% areactor-test(io.projectreactor)https://github.com/reactor/reactor-core3.3.4.RELEASE 等(共 3 个)8 | K) v5 Y& J9 N
corda-webserver-impl(net.corda)https://github.com/corda/cordacorda-3.0 等(共 32 个)/ \1 F+ Q4 ?- g" `0 Y
conductor-redis-persistence(com.netflix.conductor)https://github.com/Netflix/conductor3.3.6 等(共 100 个)2 M3 u @& W/ L7 x, T
armeria(com.linecorp.armeria)https://github.com/line/armeria0.26.1.Final 等(共 2 个)+ P) p" ^* ~. I' R
breeze-parent_2.13(org.scalanlp)https://github.com/scalanlp/breeze2.0.1-RC1 等(共 5 个)2 K2 d! y8 X( a
micrometer-core(io.micrometer)https://github.com/micrometer-metrics/micrometer1.8.1 等(共 98 个)
$ [1 D# C: Z( i, d; L% A% talink_connector_jdbc_sqlite_flink-1.9_2.11(com.alibaba.alink)https://github.com/alibaba/Alink1.5.1 等(共 3 个)0 V% G! _5 }5 U2 t5 V8 a
initializr-actuator(io.spring.initializr)https://github.com/spring-io/initializr0.9.0 等(共 6 个)
7 c0 Z# i- k7 Z" I- J; R T( ]telegrambots-spring-boot-starter(org.telegram)https://github.com/rubenlagus/TelegramBots4.9.1 等(共 17 个)6 B, w9 P3 `1 n+ D* w; }, O- h
spring-data-elasticsearch(org.springframework.data)https://github.com/spring-projects/spring-data-elasticsearch4.3.0 等(共 86 个), u% C1 B( m5 w/ S) M
feast-common(dev.feast)https://github.com/feast-dev/feast0.9.2 等(共 26 个)
3 s: U1 t" E, m' p/ C; v- Pjavamelody-core(net.bull.javamelody)https://github.com/javamelody/javamelody1.88.0 等(共 13 个): a2 M* {4 Q3 }, e; ]
analytics-zoo-bigdl_0.13.0-spark_3.0.0(com.intel.analytics.zoo)https://github.com/intel-analytics/analytics-zoo0.11.0-RC1 等(共 4 个)
/ Q7 s% u* N! b, Y8 U- gscio-tensorflow_2.13(com.spotify)https://github.com/spotify/scio0.9.6 等(共 97 个)( ]! _# ?; r8 D! E4 ^
grpc-client-spring-boot-autoconfigure(net.devh)https://github.com/yidongnan/grpc-spring-boot-starter2.9.0.RELEASE 等(共 16 个)
7 b3 j2 K! m8 j, Q# y: I; \* m2 binject-server_2.12(com.twitter)https://github.com/twitter/finatra21.9.0 等(共 56 个)
5 [* h/ `- C% Q# j1 C/ E, `" ]/ Oclient-java-examples(io.kubernetes)https://github.com/kubernetes-client/java8.0.2 等(共 1 个)
. r0 C' {7 L P. a7 ureactivesocket-tck-drivers(io.reactivesocket)https://github.com/rsocket/rsocket-java0.6.0 等(共 1 个)
3 {5 j. a4 R- o( x* kjest-droid(io.searchbox)https://github.com/searchbox-io/Jest6.3.1 等(共 8 个)
9 V. r# C p' U @: k, X9 g. fgraphql-dgs-example-java-webflux(com.netflix.graphql.dgs)https://github.com/Netflix/dgs-framework4.9.7 等(共 36 个)
2 P! S0 v4 @/ c- y9 }# I* G0 xquill-jdbc-monix_2.11(io.getquill)https://github.com/getquill/quill3.9.0 等(共 62 个)
5 S7 F, `1 J& E- a# f6 Udoobie-quill_2.12(org.tpolecat)https://github.com/tpolecat/doobie1.0.0-RC1 等(共 61 个)
2 |) J4 S7 a+ f7 s9 X+ Lhttp4k(org.http4k)https://github.com/http4k/http4k4.3.4.1 等(共 3 个)
/ _; b$ U) G# Aelasticsearch-hadoop(org.elasticsearch)https://github.com/elastic/elasticsearch-hadoop8.0.0-beta1 等(共 100 个)
" u5 s7 f. Q! D. Nsbt-shading(io.get-coursier)https://github.com/coursier/coursier1.0.0-RC8 等(共 1 个)
; s, J9 o; n) q: v8 {spark-cassandra-connector-unshaded_2.10(com.datastax.spark)https://github.com/datastax/spark-cassandra-connector2.0.9 等(共 54 个)% E. |$ H& |4 R6 h' H! \
webdrivermanager(io.github.bonigarcia)https://github.com/bonigarcia/webdrivermanager4.0.0 等(共 15 个)) d/ A c. T H5 {6 `
common-auth-v3(com.tencent.bk.devops.ci.common)https://github.com/Tencent/bk-ci1.2.0-rc.7-RELEASE 等(共 3 个)
: r! x$ p" J6 @) jreactor-netty(io.projectreactor.netty)https://github.com/reactor/reactor-netty1.0.9 等(共 75 个)
B, x+ S% r# ?3 v4 revcache-client-sample(com.netflix.evcache)https://github.com/Netflix/EVCache5.18.9 等(共 63 个)
) d$ @1 R: j# X3 R4 r/ U: jxtdb-test(com.xtdb)https://github.com/xtdb/xtdb1.20.0 等(共 9 个)& `: G( d7 v# R0 x
transport-netty4(com.strapdata.elasticsearch.plugin)https://github.com/strapdata/elassandra6.2.3.31 等(共 14 个)
3 Q A$ `4 N1 `+ osbt-metals(org.scalameta)https://github.com/scalameta/metals0.9.9 等(共 17 个)
1 }- O6 \7 b( S, ~2 aelastic4s-embedded_2.12(com.sksamuel.elastic4s)https://github.com/sksamuel/elastic4s6.7.8 等(共 100 个)5 }; o$ g; a) @4 `
genie-agent(com.netflix.genie)https://github.com/Netflix/genie4.0.4 等(共 100 个)
. g9 u4 m# L3 i$ Dspring-kafka(org.springframework.kafka)https://github.com/spring-projects/spring-kafka2.7.9 等(共 79 个)
+ s, R& G0 [& i# V: _db-async-common_2.13(com.dripower)https://github.com/mauricio/postgresql-async0.3.109 等(共 19 个)- o& I; |) {6 q: }
selenide(com.codeborne)https://github.com/selenide/selenide5.25.0-selenium-4.0.0-rc-2 等(共 18 个) k& \. f1 D& x% w# Y0 D
cloudfoundry-identity-server(org.cloudfoundry.identity)https://github.com/cloudfoundry/uaa4.30.0 等(共 1 个)7 t, J( I% _/ O5 {
servo-atlas(com.netflix.servo)https://github.com/Netflix/servo0.13.2 等(共 20 个)
7 l! t/ O: T3 grxnetty-spectator-tcp(io.reactivex)https://github.com/ReactiveX/RxNetty0.5.3-rc.4 等(共 12 个)
: @$ L/ N% p4 N% y- omleap-tensorflow_2.10(ml.combust.mleap)https://github.com/combust/mleap0.9.6 等(共 25 个)
4 ?& V2 u T& wspark-testing-base_2.12(com.holdenkarau)https://github.com/holdenk/spark-testing-base2.4.4_1.1.1 等(共 100 个)
+ z# M% J( B9 l: E* N, z4 tgraphql-kotlin-spring-client(com.expediagroup)https://github.com/ExpediaGroup/graphql-kotlin5.0.0-alpha.0 等(共 20 个)6 H( m$ w1 f& x( q. F
graphql-spring-boot-test-autoconfigure(com.graphql-java-kickstart)https://github.com/graphql-java-kickstart/graphql-spring-boot8.1.1 等(共 33 个)
8 |( G6 j0 S6 Y( `4 t6 cdiscord4j-rest(com.discord4j)https://github.com/Discord4J/Discord4J3.2.1 等(共 15 个); ^! h+ D7 o [
twitter-server-logback-classic_2.13(com.twitter)https://github.com/twitter/twitter-server21.9.0 等(共 54 个)
$ K* I2 Y* Y2 x) E& x: p2 l/ csynthea(org.mitre.synthea)https://github.com/synthetichealth/synthea2.7.0 等(共 2 个)
7 l) d# l" y6 h( N7 W( ?/ f" |spring-integration-redis(org.springframework.integration)https://github.com/spring-projects/spring-integration5.5.6 等(共 30 个)
! _' l: H7 d; a3 ^3 rcyclops-reactor-integration(com.oath.cyclops)https://github.com/aol/cyclops10.4.0 等(共 1 个)
9 T. P' i+ {: @8 m9 jakka-stream-alpakka-geode_2.12(com.lightbend.akka)https://github.com/akka/alpakka1.0-M1 等(共 13 个)6 V- z3 i4 G4 ?$ K2 A
mantis-client(io.mantisrx)https://github.com/Netflix/mantis1.3.9 等(共 83 个)
& P0 g5 I& m( f5 P8 u; w9 k: dmybatis-generator-plugin(com.itfsw)https://github.com/itfsw/mybatis-generator-plugin1.2.9 等(共 31 个)6 E- z( `* p4 E7 A: x% l
ktorm-support-sqlserver(org.ktorm)https://github.com/kotlin-orm/ktorm3.3.0 等(共 11 个)
* G8 q: C' k( Vgatk(org.broadinstitute)https://github.com/broadinstitute/gatk4.beta.2 等(共 39 个)
5 c7 {- s$ B3 j: \9 h* j& @azure-messaging-servicebus(com.azure)https://github.com/Azure/azure-sdk-for-java7.5.1 等(共 100 个)
! b7 [$ o& i( c0 }7 H$ |mica-metrics(net.dreamlu)https://github.com/lets-mica/mica2.5.7 等(共 7 个)
7 ` j$ H6 C; f. `1 {' x( c; X gshiro-redis(org.crazycake)https://github.com/alexxiyang/shiro-redis3.3.1 等(共 2 个)
3 u( @- G& R+ a- |enumeratum-play_2.12(com.beachape)https://github.com/lloydmeta/enumeratum1.5.16 等(共 2 个)
4 [0 p# k9 u) g6 @jdonframework(org.jdon)https://github.com/banq/jdonframework6.6.8 等(共 1 个)
# ?1 F$ b, l- P/ K& Oweid-java-sdk(com.webank)https://github.com/WeBankBlockchain/WeIdentity1.8.1 等(共 3 个)- f* C* J& @- I% P) l c
log-protocol(io.shulie.pradar)https://github.com/shulieTech/Takin2.0.3 等(共 3 个)
0 t# d6 J: Y! t& X* H4 E) ]' bmicro-boot(com.oath.microservices)https://github.com/aol/micro-server1.2.6 等(共 38 个)
& d( ?9 o+ Q4 N: _# k: Hsparkling-water-package_2.11(ai.h2o)https://github.com/h2oai/sparkling-water2.4.10 等(共 36 个)
, B7 }4 A/ e* |; \& R; Yscalatest_2.13(au.com.dius.pact.provider)https://github.com/pact-foundation/pact-jvm4.2.4 等(共 5 个)6 x/ v4 S0 d L1 i4 J
mssql-jdbc(com.microsoft.sqlserver)https://github.com/microsoft/mssql-jdbc8.3.0.jre11-preview 等(共 100 个)
3 J* }: l# n+ r z# _' ~: i/ kelide-spring-boot-starter(com.yahoo.elide)https://github.com/yahoo/elide6.0.3 等(共 45 个)
2 p7 `( B. P. s9 }kafka-connect-elastic5(com.datamountaineer)https://github.com/lensesio/stream-reactor1.2.0 等(共 5 个)
% x- L3 E3 U3 D1 r$ Kkvision-server-spring-boot-jvm(io.kvision)https://github.com/rjaros/kvision5.4.3 等(共 9 个), r- n& c! P& {8 N. c
r2dbc-postgresql(org.postgresql)https://github.com/pgjdbc/r2dbc-postgresql0.9.0.RC1 等(共 8 个)
5 \2 N% F {( W! G/ a: I' d& f/ ]play-slick-evolutions_2.13(com.typesafe.play)https://github.com/playframework/play-slick5.0.0-RC3 等(共 29 个)! e1 K& E. T, P4 [, r6 o
sbt-bloop-core(ch.epfl.scala)https://github.com/scalacenter/bloop1.4.8-43-c2d941d9 等(共 29 个)2 j7 K$ u7 o0 m
jcseg-elasticsearch(org.lionsoul)https://github.com/lionsoul2014/jcseg2.6.2 等(共 7 个)更多受影响组件查询,请点击以下链接查询:https://log4j2.huoxian.cn/ 漏洞排查代码排查:查看 pom.xml 是否引入 org.apache.logging.log4j、org.apache.logging.log4j2 Linux: sudo find / -name "*log4j-*.jar"Windows: *log4j*.jar攻击排查日志排查: 攻击者在利用前通常采用dnslog方式进行扫描、探测,对于常见利用方式可通过应用系统报错日志中的 "javax.naming.CommunicationException" "javax.naming.NamingException: problem generating object using object factory" "Error looking up JNDI resource"关键字进行排查。 流量排查: 攻击者的数据包中可能存在:“${jndi:rmi”、“${jndi:ldap”字样,可根据此类关键字进行排查。 漏洞复现Vulfocus 靶场环境目前 Vulfocus 已经集成 Log4j2 环境,可通过以下链接启动环境测试: http://vulfocus.fofa.so/#/dashboard?image_id=3b8f15eb-7bd9-49b2-a69e-541f89c4216c 也可通过 docker pull vulfocus/log4j2-rce-2021-12-09:latest 拉取本地环境运行,本地启动命令:docker run -d -P vulfocus/log4j2-rce-2021-12-09:latest 修复建议1、禁止使用 log4j 服务器外连,升级 idk 11.0.1 8u191 7u201 6u211 或更高版本。 2、升级至 log4j-2.15.0-rc2: 下载地址:https://github.com/apache/logging-log4j2/releases/tag/log4j-2.15.0-rc2 3、紧急缓解措施: (1) 修改 jvm 参数 -Dlog4j2.formatMsgNoLookups=true (2) 修改配置 log4j2.formatMsgNoLookups=True (3) 将系统环境变量 FORMAT_MESSAGES_PATTERN_DISABLE_LOOKUPS 设置 为 true 参考[1] https://github.com/apache/logging-log4j2/releases/tag/log4j-2.15.0-rc1 [2] [LOG4J2-3201] Limit the protocols jNDI can use and restrict LDAP. - ASF JIRA (apache.org) [3] ASF Git Repos - logging-log4j2.git/blob - log4j-core/src/test/java/org/apache/logging/log4j/core/lookup/JndiRestrictedLookupTest.java [4] https://mp.weixin.qq.com/s/wC7mrK1Y4DYz9_yW4fLzbw [5] https://help.aliyun.com/noticelist/articleid/1060971232.html [6] https://mp.weixin.qq.com/s/C4zeXHKHDqPeRuLytO7Fzw $ g; H; Y' e" Q
via https://nosec.org/home/detail/4917.html * P4 J+ n8 d, U4 q, h/ N; k" U1 ?# g# O3 r
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