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Apache Struts vulnerable to remote arbitrary command execution due to improper input validation

Critical severity GitHub Reviewed Published Oct 18, 2018 to the GitHub Advisory Database • Updated Jul 25, 2024

Package

maven org.apache.struts:struts2-core (Maven)

Affected versions

>= 2.3.0, <= 2.3.31
>= 2.5.0, <= 2.5.10

Patched versions

2.3.32
2.5.10.1

Description

Apache Struts versions prior to 2.3.32 and 2.5.10.1 contain incorrect exception handling and error-message generation during file-upload attempts using the Jakarta Multipart parser, 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.

References

Published by the National Vulnerability Database Mar 11, 2017
Published to the GitHub Advisory Database Oct 18, 2018
Reviewed Jun 16, 2020
Last updated Jul 25, 2024

Severity

Critical

CVSS overall score

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS).
/ 10

CVSS v3 base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

CVSS v3 base metrics

Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

EPSS score

96.541%
(100th percentile)

Weaknesses

CVE ID

CVE-2017-5638

GHSA ID

GHSA-j77q-2qqg-6989

Source code

Credits

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