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Posted to issues@solr.apache.org by GitBox <gi...@apache.org> on 2021/12/10 15:47:16 UTC

[GitHub] [solr-operator] plumdog opened a new issue #384: How to apply mitigation for CVE-2021-44228

plumdog opened a new issue #384:
URL: https://github.com/apache/solr-operator/issues/384


   I believe from https://github.com/apache/solr/pull/454#issuecomment-991066278 and https://apache.github.io/solr-operator/docs/solr-cloud/solr-cloud-crd.html#custom-solrxml that to mitigate, I need to set:
   
   ```yaml
   spec:
     solrOpts: '-Dlog4j2.formatMsgNoLookups=true'
   ```
   
   on a `SolrCloud` resource.
   
   Is anyone able to verify my thought process here that this is a valid mitigation?
   
   Ultimately, I suppose solr-operator should run with this set by default.


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[GitHub] [solr-operator] janhoy edited a comment on issue #384: How to apply mitigation for CVE-2021-44228

Posted by GitBox <gi...@apache.org>.
janhoy edited a comment on issue #384:
URL: https://github.com/apache/solr-operator/issues/384#issuecomment-994600080


   > It should be mentioned that the official Docker images ([_/solr](https://hub.docker.com/_/solr)) have been updated to have this fix included by default. If you have `imagePullPolicy: Always` set and are using these images, then you can restart your pods, and they will be good to go.
   
   All *supported* docker tags have been updated, i.e. all latest patch versions of 8.x as well as 7.7, 6.6 and 5.5. But not 7.6, 7.5, 6.5, 5.1, 8.10.0 etc. So please make sure you are on a supported tag. See https://issues.apache.org/jira/browse/SOLR-15850 for more.


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[GitHub] [solr-operator] sylus commented on issue #384: How to apply mitigation for CVE-2021-44228

Posted by GitBox <gi...@apache.org>.
sylus commented on issue #384:
URL: https://github.com/apache/solr-operator/issues/384#issuecomment-991401716


   Does this not affect zookeeper i too see literally nothing about it anywhere.


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[GitHub] [solr-operator] sylus commented on issue #384: How to apply mitigation for CVE-2021-44228

Posted by GitBox <gi...@apache.org>.
sylus commented on issue #384:
URL: https://github.com/apache/solr-operator/issues/384#issuecomment-991690754


   Thanks @plumdog really happy with how quickly solr-operator responded to this. Awesome work!


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[GitHub] [solr-operator] sylus edited a comment on issue #384: How to apply mitigation for CVE-2021-44228

Posted by GitBox <gi...@apache.org>.
sylus edited a comment on issue #384:
URL: https://github.com/apache/solr-operator/issues/384#issuecomment-994031272


   @HoustonPutman @plumdog i hate to be bearer of bad news :( 
   
   https://nvd.nist.gov/vuln/detail/CVE-2021-45046
   
   A new CVE issued without a score and previous mitigation won't be enough :( 


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[GitHub] [solr-operator] HoustonPutman closed issue #384: How to apply mitigation for CVE-2021-44228

Posted by GitBox <gi...@apache.org>.
HoustonPutman closed issue #384:
URL: https://github.com/apache/solr-operator/issues/384


   


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[GitHub] [solr-operator] plumdog edited a comment on issue #384: How to apply mitigation for CVE-2021-44228

Posted by GitBox <gi...@apache.org>.
plumdog edited a comment on issue #384:
URL: https://github.com/apache/solr-operator/issues/384#issuecomment-991251103


   @HoustonPutman another thing I have just thought of: should we also be concerned about the Zookeeper that is created for a SolrCloud?
   
   Edit: or rather, that _may_ be running, if `spec.zookeeperRef.provided` is provided with config. I can't see anything in there about passing options to Java like I can with `solrOpts` for Solr.


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[GitHub] [solr-operator] plumdog commented on issue #384: How to apply mitigation for CVE-2021-44228

Posted by GitBox <gi...@apache.org>.
plumdog commented on issue #384:
URL: https://github.com/apache/solr-operator/issues/384#issuecomment-991569350


   Have opened https://github.com/pravega/zookeeper-operator/issues/422 to try to work out how zookeeper-operator is impacted and how to mitigate.


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[GitHub] [solr-operator] HoustonPutman commented on issue #384: How to apply mitigation for CVE-2021-44228

Posted by GitBox <gi...@apache.org>.
HoustonPutman commented on issue #384:
URL: https://github.com/apache/solr-operator/issues/384#issuecomment-993836456


   It should be mentioned that the official Docker images ([_/solr](https://hub.docker.com/_/solr)) have been updated to have this fix included by default. If you have `imagePullPolicy: Always` set and are using these images, then you can restart your pods, and they will be good to go.


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[GitHub] [solr-operator] HoustonPutman commented on issue #384: How to apply mitigation for CVE-2021-44228

Posted by GitBox <gi...@apache.org>.
HoustonPutman commented on issue #384:
URL: https://github.com/apache/solr-operator/issues/384#issuecomment-991105023


   Pinning this, so that others can see the mitigation step if they come looking for information.


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[GitHub] [solr-operator] sylus edited a comment on issue #384: How to apply mitigation for CVE-2021-44228

Posted by GitBox <gi...@apache.org>.
sylus edited a comment on issue #384:
URL: https://github.com/apache/solr-operator/issues/384#issuecomment-991401716


   I'm not sure whether this effects zookeeper but I think you first would need access to the solr pod so first mitigation suffices?


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[GitHub] [solr-operator] plumdog edited a comment on issue #384: How to apply mitigation for CVE-2021-44228

Posted by GitBox <gi...@apache.org>.
plumdog edited a comment on issue #384:
URL: https://github.com/apache/solr-operator/issues/384#issuecomment-991251103






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[GitHub] [solr-operator] sylus commented on issue #384: How to apply mitigation for CVE-2021-44228

Posted by GitBox <gi...@apache.org>.
sylus commented on issue #384:
URL: https://github.com/apache/solr-operator/issues/384#issuecomment-994031272


   @HoustonPutman i hate to be bearer of bad news :( 
   
   https://nvd.nist.gov/vuln/detail/CVE-2021-45046
   
   A new CVE issued without a score and previous mitigation won't be enough :( 


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[GitHub] [solr-operator] sylus commented on issue #384: How to apply mitigation for CVE-2021-44228

Posted by GitBox <gi...@apache.org>.
sylus commented on issue #384:
URL: https://github.com/apache/solr-operator/issues/384#issuecomment-994173078


   Although this was mentioned in the mailing list:
   
   > Re: Log4j < 2.15.0 may still be vulnerable even if -Dlog4j2.formatMsgNoLookups=true is set
   The MDC Patterns used by solr are for the collection, shard, replica, core
   and node names, and a potential trace id. All of those are restricted to
   alphanumeric, no special characters like $ or { needed for the injection.
   And trying to access a collection that didn’t exist Returns 404 without
   logging.
   Upgrading is always going to be more complete, but I think we’re still ok
   for now, at least until the next iteration of this attack surfaces.


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[GitHub] [solr-operator] plumdog commented on issue #384: How to apply mitigation for CVE-2021-44228

Posted by GitBox <gi...@apache.org>.
plumdog commented on issue #384:
URL: https://github.com/apache/solr-operator/issues/384#issuecomment-993654549


   Can someone with more Java config confidence than me verify that I should not be concerned that I, as in @nosvalds screenshot above have:
   ```
   -Dlog4j.configurationFile=/var/solr/log4j2.xml
   -Dlog4j2.formatMsgNoLookups=true
   ```
   
   Is it correct that one config item starts `log4j.` and the other `log4j2.`?


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[GitHub] [solr-operator] HoustonPutman commented on issue #384: How to apply mitigation for CVE-2021-44228

Posted by GitBox <gi...@apache.org>.
HoustonPutman commented on issue #384:
URL: https://github.com/apache/solr-operator/issues/384#issuecomment-991101468


   That is the correct way to mitigate the CVE.
   
   And you are correct, it's a good option to have by default.


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[GitHub] [solr-operator] plumdog commented on issue #384: How to apply mitigation for CVE-2021-44228

Posted by GitBox <gi...@apache.org>.
plumdog commented on issue #384:
URL: https://github.com/apache/solr-operator/issues/384#issuecomment-991251103


   @HoustonPutman another thing I have just thought of: should we also be concerned about the Zookeeper that is created for a SolrCloud?


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[GitHub] [solr-operator] plumdog edited a comment on issue #384: How to apply mitigation for CVE-2021-44228

Posted by GitBox <gi...@apache.org>.
plumdog edited a comment on issue #384:
URL: https://github.com/apache/solr-operator/issues/384#issuecomment-991251103


   @HoustonPutman another thing I have just thought of: should we also be concerned about the Zookeeper that is created for a SolrCloud?
   
   Edit: or rather, that _may_ be created for a SolrCloud, if `spec.zookeeperRef.provided` is provided with config. I can't see anything in there about passing options to Java like I can with `solrOpts` for Solr.
   
   Edit2: I have got as far as finding https://zookeeper.apache.org/security.html, which doesn't mention anything. And my Googling finds nothing useful looking, eg https://www.google.com/search?q=zookeeper+log4j&tbs=qdr:w


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[GitHub] [solr-operator] sylus commented on issue #384: How to apply mitigation for CVE-2021-44228

Posted by GitBox <gi...@apache.org>.
sylus commented on issue #384:
URL: https://github.com/apache/solr-operator/issues/384#issuecomment-991399854






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[GitHub] [solr-operator] plumdog commented on issue #384: How to apply mitigation for CVE-2021-44228

Posted by GitBox <gi...@apache.org>.
plumdog commented on issue #384:
URL: https://github.com/apache/solr-operator/issues/384#issuecomment-991251103






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[GitHub] [solr-operator] HoustonPutman commented on issue #384: How to apply mitigation for CVE-2021-44228

Posted by GitBox <gi...@apache.org>.
HoustonPutman commented on issue #384:
URL: https://github.com/apache/solr-operator/issues/384#issuecomment-993640127


   @nosvalds from here: https://github.com/apache/solr-site/pull/55, the consensus is that the Solr Prometheus Exporter is not actually susceptible to this CVE


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[GitHub] [solr-operator] madrob commented on issue #384: How to apply mitigation for CVE-2021-44228

Posted by GitBox <gi...@apache.org>.
madrob commented on issue #384:
URL: https://github.com/apache/solr-operator/issues/384#issuecomment-993671709


   Yes, the new property should be `log4j2.*` https://github.com/carterkozak/logging-log4j2/blob/release-2.x/log4j-core/src/main/java/org/apache/logging/log4j/core/util/Constants.java#L63


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[GitHub] [solr-operator] janhoy commented on issue #384: How to apply mitigation for CVE-2021-44228

Posted by GitBox <gi...@apache.org>.
janhoy commented on issue #384:
URL: https://github.com/apache/solr-operator/issues/384#issuecomment-994600080


   > It should be mentioned that the official Docker images ([_/solr](https://hub.docker.com/_/solr)) have been updated to have this fix included by default. If you have `imagePullPolicy: Always` set and are using these images, then you can restart your pods, and they will be good to go.
   
   All *supported* docker tags have been updated, i.e. all latest patch versions of 8.x as well as 7.7, 6.6 and 5.5. But not 7.6, 7.5, 6.5, 5.1, 8.10.0 etc. So please make sure you are on a supported tag.


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[GitHub] [solr-operator] sylus edited a comment on issue #384: How to apply mitigation for CVE-2021-44228

Posted by GitBox <gi...@apache.org>.
sylus edited a comment on issue #384:
URL: https://github.com/apache/solr-operator/issues/384#issuecomment-991401716


   I'm not sure whether this effects zookeeper but I think you first would need access to the solr pod so first mitigation suffices?


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[GitHub] [solr-operator] nosvalds commented on issue #384: How to apply mitigation for CVE-2021-44228

Posted by GitBox <gi...@apache.org>.
nosvalds commented on issue #384:
URL: https://github.com/apache/solr-operator/issues/384#issuecomment-993646302


   @sylus 
   
   > Also when this is set in solropts, is there a way for me to confirm it is passed? I thought I would see it in the Solr UI somewhere.
   
   You should see it on the Dashboard tab in the JVM > Args section:
   
   <img width="839" alt="image" src="https://user-images.githubusercontent.com/60047271/146025577-f21a163c-7b60-410c-98bf-4b48f268c2af.png">
   


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[GitHub] [solr-operator] plumdog commented on issue #384: How to apply mitigation for CVE-2021-44228

Posted by GitBox <gi...@apache.org>.
plumdog commented on issue #384:
URL: https://github.com/apache/solr-operator/issues/384#issuecomment-991615749


   Ok, from https://github.com/pravega/zookeeper-operator/issues/422#issuecomment-991602681, believe Zookeeper not impacted, so I think the mitigation above is sufficient.


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[GitHub] [solr-operator] plumdog edited a comment on issue #384: How to apply mitigation for CVE-2021-44228

Posted by GitBox <gi...@apache.org>.
plumdog edited a comment on issue #384:
URL: https://github.com/apache/solr-operator/issues/384#issuecomment-991251103


   @HoustonPutman another thing I have just thought of: should we also be concerned about the Zookeeper that is created for a SolrCloud?
   
   Edit: or rather, that _may_ be created for a SolrCloud, if `spec.zookeeperRef.provided` is provided with config. I can't see anything in there about passing options to Java like I can with `solrOpts` for Solr.


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[GitHub] [solr-operator] sylus commented on issue #384: How to apply mitigation for CVE-2021-44228

Posted by GitBox <gi...@apache.org>.
sylus commented on issue #384:
URL: https://github.com/apache/solr-operator/issues/384#issuecomment-991399854


   @plumdog were u able to find anything about zookeeper?
   
   Also when this is set in solropts, is there a way for me to confirm it is passed? I thought I would see it in the Solr UI somewhere.


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[GitHub] [solr-operator] nosvalds commented on issue #384: How to apply mitigation for CVE-2021-44228

Posted by GitBox <gi...@apache.org>.
nosvalds commented on issue #384:
URL: https://github.com/apache/solr-operator/issues/384#issuecomment-993637415


   Does anyone know if the `SolrPrometheusExporter` resource is also affected? This line from the [newspost](https://solr.apache.org/news.html#apache-solr-affected-by-apache-log4j-cve-2021-44228) on the Solr website made me think it could be:
   
   > The vulnerability in the Prometheus Exporter Contrib can be mitigated by any of the following:
   > - Upgrade to Solr 8.11.1 or greater (when available), which will include an updated version of the log4j2 dependency.
   >- Manually update the version of log4j2 on your runtime classpath and restart your Solr application.
   >- Edit your solr-exporter script to include: JAVA_OPTS="$JAVA_OPTS -Dlog4j2.formatMsgNoLookups=true"
   >- Follow any of the other mitgations listed at https://logging.apache.org/log4j/2.x/security.html
   
   It doesn't look like `spec.solrOpts` or `spec.javaOpts`is available on the `SolrPrometheusExporter`.


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