CVE-2021-27905

CVE-2021-27905 Apache Solr ReplicationHandler 서버 측 요청 위조 SSRF Hit Counter Apache Solr Searching On Lucene with Replication의 약자는 Apache Lucene 라이브러리 기반의 무료 오픈소스 검색 엔진입니다. Java로 작성되었습니다. Apache Solr은 RESTful XML/HTTP 및 JSON API를 제공하며, Java, Python, Ruby, C, PHP 등 다양한 프로그래밍 언어를 위한 클라이언트 라이브러리를 갖추고 있...

CVE-2021-27905

CVE-2021-27905 番号| タイトル ---|--- 1| 概要 2| 根本原因 3| 概念実証 4| 緩和策 8.8.2+ 5| 参考 教育および研究目的のみに使用してください。所有していない、またはテストする明示的な許可がないシステムでこのコードを使用しないでください。誤用について私は一切責任を負いません。 概要 これはApache Solr （/replication?command=fetchindex&masterUrl=http:// Solr の ReplicationHandler は次のことを行います。 1. リクエストを受け付ける。 2. 指定された...

GHSA-5PHW-3JRP-3VJ8 Server-Side Request Forgery in Apache Solr

The ReplicationHandler normally registered at "/replication" under a Solr core in Apache Solr has a "masterUrl" also "leaderUrl" alias parameter that is used to designate another ReplicationHandler on another Solr core to replicate index data into the local core. To prevent a SSRF vulnerability,...

Server side request forgery (ssrf)

The ReplicationHandler normally registered at "/replication" under a Solr core in Apache Solr has a "masterUrl" also "leaderUrl" alias parameter that is used to designate another ReplicationHandler on another Solr core to replicate index data into the local core. To prevent a SSRF vulnerability,...

CVE-2021-27905

CVE-2021-27905 (Solr SSRF) affects Apache Solr versions prior to 8.8.2 where the ReplicationHandler’s masterUrl/leaderUrl parameter can be abused to trigger SSRF. The flaw arises because masterUrl is not sufficiently validated against allowed hosts/schemes, enabling an attacker to cause the serve...

CVE-2021-27905 SSRF vulnerability with the Replication handler

The ReplicationHandler normally registered at "/replication" under a Solr core in Apache Solr has a "masterUrl" also "leaderUrl" alias parameter that is used to designate another ReplicationHandler on another Solr core to replicate index data into the local core. To prevent a SSRF vulnerability,...

CVE-2021-27905

The ReplicationHandler normally registered at "/replication" under a Solr core in Apache Solr has a "masterUrl" also "leaderUrl" alias parameter that is used to designate another ReplicationHandler on another Solr core to replicate index data into the local core. To prevent a SSRF vulnerability,...