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Apache ZooKeeper官网安全更新(2017-01-29)

来源:Apache ZooKeeper官网 发布日期:2017-01-29 阅读次数:699 评论:0

基本信息

发布日期:2017-01-29(官方当地时间)

更新类型:安全更新

更新版本:未知

感知时间:2019-12-06 14:43:10

风险等级:中危

情报贡献:TSRC

更新标题

CVE-2017-5637: DOS attack on wchp/wchc four letter words (4lw) {#CVE-2017-5637}

更新详情

CVE-2017-5637">
CVE-2017-5637: DOS attack on wchp/wchc four letter words (4lw) {#CVE-2017-5637}
Severity: moderate
Vendor: The Apache Software Foundation
Versions Affected: ZooKeeper 3.4.0 to 3.4.9 ZooKeeper 3.5.0 to 3.5.2 The unsupported ZooKeeper 1.x through 3.3.x versions may be also affected
Note: The 3.5 branch is still beta at this time.
Description: Two four letter word commands “wchp/wchc” are CPU intensive and could cause spike of CPU utilization on ZooKeeper server if abused, which leads to the server unable to serve legitimate client requests. There is no known compromise which takes advantage of this vulnerability.
Mitigation: This affects ZooKeeper ensembles whose client port is publicly accessible, so it is recommended to protect ZooKeeper ensemble with firewall. Documentation has also been updated to clarify on this point. In addition, a patch (ZOOKEEPER-2693) is provided to disable "wchp/wchc” commands by default. - ZooKeeper 3.4.x users should upgrade to 3.4.10 or apply the patch. - ZooKeeper 3.5.x users should upgrade to 3.5.3 or apply the patch.
References [1] https://issues.apache.org/jira/browse/ZOOKEEPER-2693

软件描述

Apache Zookeeper是一个分布式应用程序协调服务,提供了简单易用的接口和性能高效、功能稳定的系统让用户可以很轻松解决分布式应用程序下面的出现的协调服务,确保避免出现竞态条件或者死锁等错误。

CVE编号

TSRC分析

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