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FS#72975 - 0-Day RCE in log4j, present in at least one package

Attached to Project: Community Packages
Opened by Chris Snell (chrissnell) - Saturday, 11 December 2021, 03:02 GMT
Last edited by Massimiliano Torromeo (mtorromeo) - Sunday, 12 December 2021, 16:47 GMT
Task Type Bug Report
Category Security
Status Assigned
Assigned To Levente Polyak (anthraxx)
NicoHood (NicoHood)
Architecture All
Severity Critical
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 10%
Votes 0
Private No


0-day with RCE being actively exploited. CVE-2021-44228 affects outdated log4j libraries, including the elasticsearch package. Presumable other packages are affected.
This task depends upon

Comment by loqs (loqs) - Saturday, 11 December 2021, 20:14 GMT Comment by Justin Kromlinger (hashworks) - Sunday, 12 December 2021, 13:33 GMT
Regarding elasticsearch: I've implemented the linked patch in 7.10.2-2. It replaces `/usr/share/elasticsearch/lib/log4j-core-2.11.1.jar` with `elasticsearch-log4j-7.10.2.jar`, which doesn't include the `JndiLookup.class`:
old/org/apache/logging/log4j/core/lookup/JndiLookup.class <-----
Comment by freswa (frederik) - Sunday, 12 December 2021, 14:09 GMT
ghidra is fixed with 10.1 in [community]
Comment by David Runge (dvzrv) - Sunday, 12 December 2021, 14:51 GMT
solr is fixed with 8.11.0-2 in [community]
Comment by Massimiliano Torromeo (mtorromeo) - Sunday, 12 December 2021, 16:47 GMT
logstash patched in 7.10.2-1
Comment by Massimiliano Torromeo (mtorromeo) - Sunday, 12 December 2021, 16:52 GMT
openfire updated to 4.6.5 which already uses log4j 2.15.0
Comment by Freedom Dev (FreedomDev) - Monday, 16 May 2022, 19:37 GMT
args:[--scan-log4j1 --scan-logback --scan-zip /]

netbeans 13-1 [?] Found CVE-2021-4104 (log4j 1.2) vulnerability in /usr/lib/netbeans/ide/modules/ext/log4j-1.2.15.jar, log4j 1.2.15

jmol 14.32.55-1 [?] Found CVE-2021-4104 (log4j 1.2) vulnerability in /usr/share/jmol/JmolData.jar, log4j 1.2.14
jmol 14.32.55-1 [?] Found CVE-2021-4104 (log4j 1.2) vulnerability in /usr/share/jmol/Jmol.jar, log4j 1.2.14

zaproxy 2.11.1-1 [*] Found CVE-2021-45046 (log4j 2.x) vulnerability in /usr/share/zaproxy/lib/log4j-core-2.15.0.jar, log4j 2.15.0
Comment by Leonidas Spyropoulos (inglor) - Wednesday, 18 May 2022, 23:52 GMT
zaproxy patched in 2.11.1-2 [community]
Comment by loqs (loqs) - Tuesday, 24 May 2022, 19:30 GMT
netbeans upstream does not believe it is/was vulnerable