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Security Advisories: GSA_kwCzR0hTQS1qNjhmLThoNnAtOWg1cc0-5A

Struts ParameterInterceptor vulnerability allows remote command execution

Regular expression in ParametersInterceptor matches top['foo'](0) as a valid expression, which OGNL treats as (top['foo'])(0) and evaluates the value of 'foo' action parameter as an OGNL expression. This lets malicious users put arbitrary OGNL statements into any String variable exposed by an action and have it evaluated as an OGNL expression and since OGNL statement is in HTTP parameter value attacker can use blacklisted characters (e.g. #) to disable method execution and execute arbitrary methods, bypassing the ParametersInterceptor and OGNL library protections.

Permalink: https://github.com/advisories/GHSA-j68f-8h6p-9h5q
JSON: https://advisories.ecosyste.ms/api/v1/advisories/GSA_kwCzR0hTQS1qNjhmLThoNnAtOWg1cc0-5A
Source: GitHub Advisory Database
Origin: Unspecified
Severity: Critical
Classification: General
Published: about 2 years ago
Updated: 8 months ago

CVSS Score: 9.8
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Identifiers: GHSA-j68f-8h6p-9h5q, CVE-2011-3923
References:

Blast Radius: 37.2

Affected Packages

maven:org.apache.struts:struts2-core

Dependent packages: 194
Dependent repositories: 6,183
Downloads:
Affected Version Ranges: >= 2.0.0, < 2.3.1.2
Fixed in: 2.3.1.2
All affected versions: 2.0.5, 2.0.6, 2.0.8, 2.0.9, 2.0.11, 2.0.12, 2.0.14, 2.1.2, 2.1.6, 2.1.8, 2.2.1, 2.2.3, 2.3.1, 2.3.3, 2.3.4, 2.3.7, 2.3.8, 2.3.12, 2.3.14, 2.3.15, 2.3.16, 2.3.20, 2.3.24, 2.3.28, 2.3.29, 2.3.30, 2.3.31, 2.3.32, 2.3.33, 2.3.34, 2.3.35, 2.3.36, 2.3.37, 2.5.1, 2.5.2, 2.5.5, 2.5.8, 2.5.10, 2.5.12, 2.5.13, 2.5.14, 2.5.16, 2.5.17, 2.5.18, 2.5.20, 2.5.22, 2.5.25, 2.5.26, 2.5.27, 2.5.28, 2.5.29, 2.5.30, 2.5.31, 2.5.32, 2.5.33, 6.0.0, 6.0.3, 6.1.1, 6.1.2, 6.2.0, 6.3.0, 6.4.0
All unaffected versions: