Vulnerability record

CVE-2017-5638

Apache Struts Remote Code Execution Vulnerability

Severity: CriticalExploitation: Exploitation confirmedCISA KEV Used by ransomware
What should I do?

This vulnerability is in the CISA Known Exploited Vulnerabilities catalog: attackers are using it. If you run Struts, fix it now.

CISA required action: Apply updates per vendor instructions.

US federal civilian agencies must remediate by May 3, 2022.

Patch status

Official fix available since

Apply the vendor's update to every affected system. Check the fixed-in versions below where known.

Basis: NVD patch reference

Description

The Jakarta Multipart parser in Apache Struts 2 2.3.x before 2.3.32 and 2.5.x before 2.5.10.1 has incorrect exception handling and error-message generation during file-upload attempts, which allows remote attackers to execute arbitrary commands via a crafted Content-Type, Content-Disposition, or Content-Length HTTP header, as exploited in the wild in March 2017 with a Content-Type header containing a #cmd= string.

Source: NIST National Vulnerability Database. Official vulnerability data, reproduced as published.

Affected products

Products affected by this vulnerability, with versions and the source of each entry
ProductVendorAffected versionsFixed inSource
StrutsApache Software Foundation>= 2.2.3, < 2.3.32; >= 2.5.0, < 2.5.10.12.3.32; 2.5.10.1KEV
WebLogic ServerOracle10.3.6.0.0; 12.1.3.0.0; 12.2.1.1.0; 12.2.1.2.0—NVD

Sources: KEV = CISA Known Exploited Vulnerabilities catalog; NVD = NIST National Vulnerability Database.

Intelligence timeline

Developments from the last 30 days, newest first.

  1. CVSS scoredUpdateKEV

    CVE-2017-5638 scored CVSS 9.8: Apache Struts, Apache Struts Remote Code Execution Vulnerability

    CISA lists this as exploited in the wild and known to be used in ransomware campaigns. Unpatched Struts systems are exposed to active attacks now.

    Basis: NIST National Vulnerability Database

  2. Patch releasedUpdateKEV

    Patch released for CVE-2017-5638: Apache Struts, Apache Struts Remote Code Execution Vulnerability

    An official fix is now available for Apache Struts. This vulnerability is being exploited, so apply it promptly.

    Basis: NVD patch reference

1 earlier event is available with a subscription. See plans.

Coverage

We have not published a story about this vulnerability yet.

References

  • nvd.nist.gov https://nvd.nist.gov/vuln/detail/CVE-2017-5638
  • blog.talosintelligence.com http://blog.talosintelligence.com/2017/03/apache-0-day-exploited.html
  • blog.trendmicro.com http://blog.trendmicro.com/trendlabs-security-intelligence/cve-2017-5638-apache-struts-vulnerability-remote-co…
  • arubanetworks.com http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2017-002.txt
  • eweek.com http://www.eweek.com/security/apache-struts-vulnerability-under-attack.html
  • oracle.com http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html
  • securityfocus.com http://www.securityfocus.com/bid/96729
  • securitytracker.com http://www.securitytracker.com/id/1037973
  • arstechnica.com https://arstechnica.com/security/2017/03/critical-vulnerability-under-massive-attack-imperils-high-impact-site…
  • cwiki.apache.org https://cwiki.apache.org/confluence/display/WW/S2-045
  • cwiki.apache.org https://cwiki.apache.org/confluence/display/WW/S2-046
  • exploit-db.com https://exploit-db.com/exploits/41570
  • git1-us-west.apache.org https://git1-us-west.apache.org/repos/asf?p=struts.git%3Ba=commit%3Bh=352306493971e7d5a756d61780d57a76eb1f519a
  • git1-us-west.apache.org https://git1-us-west.apache.org/repos/asf?p=struts.git%3Ba=commit%3Bh=6b8272ce47160036ed120a48345d9aa884477228
  • github.com https://github.com/mazen160/struts-pwn
  • github.com https://github.com/rapid7/metasploit-framework/issues/8064
  • h20566.www2.hpe.com https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbgn03733en_us
  • h20566.www2.hpe.com https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbgn03749en_us
  • h20566.www2.hpe.com https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03723en_us
  • isc.sans.edu https://isc.sans.edu/diary/22169
  • lists.apache.org https://lists.apache.org/thread.html/r1125f3044a0946d1e7e6f125a6170b58d413ebd4a95157e4608041c7%40%3Cannounce.a…
  • lists.apache.org https://lists.apache.org/thread.html/r6d03e45b81eab03580cf7f8bb51cb3e9a1b10a2cc0c6a2d3cc92ed0c%40%3Cannounce.a…
  • lists.apache.org https://lists.apache.org/thread.html/r90890afea72a9571d666820b2fe5942a0a5f86be406fa31da3dd0922%40%3Cannounce.a…
  • nmap.org https://nmap.org/nsedoc/scripts/http-vuln-cve2017-5638.html
  • packetstormsecurity.com https://packetstormsecurity.com/files/141494/S2-45-poc.py.txt
  • security.netapp.com https://security.netapp.com/advisory/ntap-20170310-0001/
  • struts.apache.org https://struts.apache.org/docs/s2-045.html
  • struts.apache.org https://struts.apache.org/docs/s2-046.html
  • support.lenovo.com https://support.lenovo.com/us/en/product_security/len-14200
  • twitter.com https://twitter.com/theog150/status/841146956135124993