updates to log4shell comments

Signed-off-by: Ceki Gulcu <ceki@qos.ch>
This commit is contained in:
Ceki Gulcu 2021-12-12 00:39:53 +01:00
parent 25ddfaaab0
commit 7a68675fc6
1 changed files with 25 additions and 11 deletions

View File

@ -51,16 +51,28 @@
<p class="highlight">As log4j 1.x does not offer a look-up
mechanism, it does not suffer from CVE-2021-44228 in any shape
or form.</p>
or form. However, note that log4j 1.x is no longer being
maintained. Thus, we definitely urge you to migrate to one of
its successors such as SLF4J and logback. <b>Do migrate without
delaying too much!</b></p>
<p>As log4j version 1.x is still very widely deployed, we have
been receiving a steady stream of questions regarding the
vulnerability of log4j version 1.x.
<p>Given that log4j version 1.x is still very widely deployed,
we have been receiving a steady stream of questions regarding
the vulnerability of log4j version 1.x.
<p><b>As log4j 1.x does not offer a look up mechanism, it does not
suffer from CVE-2021-44228 in any shape or form.</b> Any innuendo
claiming otherwise is false.</p>
<p><b>As log4j 1.x does not offer a look up mechanism, it does
not suffer from CVE-2021-44228 in any shape or form.</b> Any
innuendo claiming otherwise is false.</p>
<p>Having said this, log4j 1.x is no longer being maintained
with all the entailed security implications. Thus, we definitely
urge you to migrate to one of its successors such as
SLF4J/logback, sooner rather than later. <b>But do migrate
without waiting for months!</b> Also note that <a
href="migrator.html">tools exist</a> to automate the
migration. </p>
<h3>How about the SLF4J API?</h3>
@ -70,9 +82,10 @@
mitigate the vulnerability.
</p>
<p>However, as mentioned previously, log4j 1.x is safe. Thus, if
your SLF4J provider/binding is <em>slf4j-logj12.jar</em>, you
are safe.</p>
<p>However, as mentioned previously, log4j 1.x is safe with
respect to CVE-2021-44228. Thus, if your SLF4J provider/binding
is <em>slf4j-logj12.jar</em>, you are safe regarding
CVE-2021-44228.</p>
<p>If you are using <em>log4j-over-slf4j.jar</em> with SLF4J
API, you are safe unless the underlying implementation is log4j
@ -91,7 +104,8 @@
are fine. Otherwise, either remove the said artifact or upgrade
to a log4j 2.x version which fixes the issue.
<p>
<h3>Further reading</h3>
<ol>