diff --git a/README.md.tpl b/README.md.tpl new file mode 100644 index 0000000..4fec4c3 --- /dev/null +++ b/README.md.tpl @@ -0,0 +1,65 @@ +# CISA Log4j (CVE-2021-44228) Vulnerability Guidance # + +This repository provides +[CISA's guidance](https://www.cisa.gov/uscert/apache-log4j-vulnerability-guidance) +and an overview of related software regarding the Log4j vulnerability +(CVE-2021-44228). CISA encourages users and administrators to review the +[official Apache release](https://logging.apache.org/log4j/2.x/security.html) +and upgrade to Log4j 2.17.0 or apply the recommended mitigations immediately. + +The information in this repository is provided "as is" for informational +purposes only and is being assembled and updated by CISA through +collaboration with the broader cybersecurity community. Inquire with the +manufacturer or their respective online resources for the most up-to-date +information regarding any specific product listed. CISA does not endorse +any commercial product or service, including any subjects of analysis. +Any reference to specific commercial products, processes, or services by +service mark, trademark, manufacturer, or otherwise, does not constitute +or imply their endorsement, recommendation, or favoring by CISA. + +## Official CISA Guidance & Resources ## + +- [CISA Apache Log4j Vulnerability Guidance](https://www.cisa.gov/uscert/apache-log4j-vulnerability-guidance) +- [Emergency Directive 22-02 Mitigate Apache Log4j Vulnerability](https://www.cisa.gov/emergency-directive-22-02) +- [Statement from CISA Director Easterly on “Log4j” Vulnerability](https://www.cisa.gov/news/2021/12/11/statement-cisa-director-easterly-log4j-vulnerability). + +## CISA Current Activity Alerts ## + +- [CISA Issues ED 22-02 Directing Federal Agencies to Mitigate Apache Log4j Vulnerabilities](https://www.cisa.gov/uscert/ncas/current-activity/2021/12/17/cisa-issues-ed-22-02-directing-federal-agencies-mitigate-apache) +- [Apache Releases Log4j Version 2.15.0 to Address Critical RCE Vulnerability Under Exploitation](https://www.cisa.gov/uscert/ncas/current-activity/2021/12/10/apache-releases-log4j-version-2150-address-critical-rce) +- [CISA Creates Webpage for Apache Log4j Vulnerability CVE-2021-44228](https://www.cisa.gov/uscert/ncas/current-activity/2021/12/13/cisa-creates-webpage-apache-log4j-vulnerability-cve-2021-44228) + +National Vulnerability Database (NVD) Information: [CVE-2021-44228](https://nvd.nist.gov/vuln/detail/CVE-2021-44228) + +## Mitigation Guidance ## + +CISA urges organizations operating products marked as "Fixed" to immediately +implement listed patches/mitigations [here](https://www.cisa.gov/uscert/apache-log4j-vulnerability-guidance). + +CISA urges organizations operating products marked as "Not Fixed" to immediately +implement alternate controls, including: + +- Install a WAF with rules that automatically update. +- Set `log4j2.formatMsgNoLookups` to true by adding `-Dlog4j2.formatMsgNoLookups=True` + to the Java Virtual Machine command for starting your application. +- Ensure that any alerts from a vulnerable device are immediately actioned. +- Report incidents promptly to CISA and/or the FBI [here](https://www.cisa.gov/uscert/report). + +## Status Descriptions ## + +| Status | Description | +| ------ | ----------- | +| Unknown | Status unknown. Default choice. | +| Affected | Reported to be affected by CVE-2021-44228. | +| Not Affected | Reported to NOT be affected by CVE-2021-44228 and no further action necessary. | +| Fixed | Patch and/or mitigations available (see provided links). | +| Under Investigation | Vendor investigating status. | + +## Software List ## + +This list was initially populated using information from the following sources: + +- Kevin Beaumont +- SwitHak + +{{software_markdown_table}}