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CVE-2011-2526

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Date: July 14, 2011

Apache Tomcat 5.5.x before 5.5.34, 6.x before 6.0.33, and 7.x before 7.0.19, when sendfile is enabled for the HTTP APR or HTTP NIO connector, does not validate certain request attributes, which allows local users to bypass intended file access restrictions or cause a denial of service (infinite loop or JVM crash) by leveraging an untrusted web application.

Language: Java

Severity Score

Severity Score

Weakness Type (CWE)

Input Validation

CWE-20

Top Fix

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Upgrade Version

Upgrade to version org.apache.tomcat:catalina:7.0.19,org.apache.tomcat:tomcat-coyote:7.0.19,org.apache.tomcat:tomcat-util:7.0.19,org.apache.tomcat:tomcat-catalina:7.0.19,org.apache.tomcat:coyote:6.0.33,org.apache.tomcat.embed:tomcat-embed-core:7.0.19

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): LOW

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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