I searched ${ctx:somekey} in the log4j-config.xsd file but could not
find anything .
Is that means that is enough If we upgrade to 2.17 or just remove the
class file?
Quoting Ralph Goers :
Removing JndiLookup helps by preventing the JNDI attack. You
absolutely need to do this if you do n
Removing JndiLookup helps by preventing the JNDI attack. You absolutely need to
do this if you do not upgrade.
For item 2 look at your log4j2 configuration file. If it contains
${ctx:somekey} then you need to understand how somekey is being populated. I
would venture to guess that most Log4j2 c
Dear team
Hi.
According to Log4j vulnerability as I know one of the solution was
remove JndiLookup.class file from log4j-core-*.jar file .
But now we see other vulnerability :
upgrade to 2.17 or
Otherwise, in the configuration, remove references to Context Lookups
like ${ctx:loginId} or
Because a patch is out.
zero-day vulnerability is *a vulnerability in a system or device that has
been disclosed but is not yet patched*. An exploit that attacks a zero-day
vulnerability is called a zero-day exploit. ... Vulnerable systems are
exposed until a patch is issued by the vendor.
>From
On Sun, Dec 19, 2021 at 10:25 AM Christopher Schultz
wrote:
>
> Gary,
>
> On 12/17/21 22:18, Gary Gregory wrote:
> > Log4j 2 can reconfigure itself when its configuration file changes by
> > using the monitorInterval attribute, for example:
> >
> >
> >
> > See https://logging.apache.org/log4j/2.x
Gary,
On 12/17/21 22:18, Gary Gregory wrote:
Log4j 2 can reconfigure itself when its configuration file changes by
using the monitorInterval attribute, for example:
See https://logging.apache.org/log4j/2.x/manual/configuration.html
For programmatic reconfiguration, you can use
org.apache.log
Why do you think it is not a 0-day?
Gary
On Thu, Dec 16, 2021 at 3:02 PM Christopher Schultz
wrote:
>
> To whom it may concern,
>
> Off-topic top-post: please stop repeating the incorrect claim that this
> was a zero-day vulnerability. That term means something specific, and it
> does not apply
Noted with thanks.
Regards,
Mr. Turritopsis Dohrnii Teo En Ming
Targeted Individual in Singapore
19 Dec 2021 Sunday
On Sat, 18 Dec 2021 at 00:40, Matt Sicker wrote:
>
> We don’t publish or develop any log4j scanners here. This is only for
> development of the libraries and related documentat
I think most articles list it as a zero-day vulnerability.
Regards,
Mr. Turritopsis Dohrnii Teo En Ming
Targeted Individual in Singapore
19 Dec 2021 Sunday
On Fri, 17 Dec 2021 at 04:02, Christopher Schultz
wrote:
>
> To whom it may concern,
>
> Off-topic top-post: please stop repeating the inc
Good idea.
Regards,
Mr. Turritopsis Dohrnii Teo En Ming
Targeted Individual in Singapore
19 Dec 2021 Sunday
On Fri, 17 Dec 2021 at 03:47, Gary Gregory wrote:
>
> This brings up an good point: Can we improve our documentation (security
> page) with a section "Determining if I am vulnerable"? Ma
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