CVE-2017-5638

critical-risk
Published 2017-03-11

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.

Do I need to act?

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94.3% chance of exploitation in next 30 days
EPSS score — higher than 6% of all CVEs
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CISA KEV: actively exploited in the wild
On the Known Exploited Vulnerabilities catalog — federal agencies must patch
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2 public exploits available
41570, 41614
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (20)

Affected Vendors

Oracle Hp Arubanetworks Ibm Apache Lenovo Netapp

References (67)

Exploit http://blog.talosintelligence.com/2017/03/apache-0-day-exploited.html
Exploit http://blog.trendmicro.com/trendlabs-security-intelligence/cve-2017-5638-apache-...
Third Party Advisory http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2017-002.txt
Press/Media Coverage http://www.eweek.com/security/apache-struts-vulnerability-under-attack.html
Patch http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html
Broken Link http://www.securityfocus.com/bid/96729
Broken Link http://www.securitytracker.com/id/1037973
Exploit https://arstechnica.com/security/2017/03/critical-vulnerability-under-massive-at...
Mitigation https://cwiki.apache.org/confluence/display/WW/S2-045
Mitigation https://cwiki.apache.org/confluence/display/WW/S2-046
Exploit https://exploit-db.com/exploits/41570
Broken Link https://git1-us-west.apache.org/repos/asf?p=struts.git%3Ba=commit%3Bh=3523064939...
Broken Link https://git1-us-west.apache.org/repos/asf?p=struts.git%3Ba=commit%3Bh=6b8272ce47...
Exploit https://github.com/mazen160/struts-pwn
Exploit https://github.com/rapid7/metasploit-framework/issues/8064
Broken Link https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na...
Third Party Advisory https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na...
Third Party Advisory https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na...
Exploit https://isc.sans.edu/diary/22169
Mailing List https://lists.apache.org/thread.html/r1125f3044a0946d1e7e6f125a6170b58d413ebd4a9...
and 47 more references
86
/ 100
critical-risk
Severity 32/34 · Critical
Exploitability 34/34 · Critical
Exposure 20/34 · Moderate