[jira] [Created] (ZOOKEEPER-3990) Log4j 1.2.17 used by zookeeper 3.6.1 is vulnerable to CVE-2019-17571

["SAICHARAN REDDY KOTLA (Jira)" <ji...@apache.org>]

SAICHARAN REDDY KOTLA created ZOOKEEPER-3990:
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             Summary: Log4j 1.2.17 used by zookeeper 3.6.1 is vulnerable to CVE-2019-17571
                 Key: ZOOKEEPER-3990
                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-3990
             Project: ZooKeeper
          Issue Type: Bug
    Affects Versions: 3.6.2, 3.6.1
            Reporter: SAICHARAN REDDY KOTLA


Hello everyone,

I work for a product which uses apache/zookeeper 3.6.1.  We scanned our product with a security scanner which reported CVE-2019-17571. 

After analysis we found that this vulnerability is coming from zookeeper 3.6.1 because of direct dependency on log4j 1.2.17. 

Statement regarding 1.x version of log4j from [official |http://logging.apache.org/log4j/1.2/] site:
{quote}A security vulnerability, CVE-2019-17571 has been identified against Log4j 1. Log4j includes a SocketServer that accepts serialized log events and deserializes them without verifying whether the objects are allowed or not. This can provide an attack vector that can be expoited. Since Log4j 1 is no longer maintained this issue will not be fixed. Users are urged to upgrade to Log4j 2.x
{quote}
Could you please share your rationale on not upgrading log4j to 2.x



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