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amazonAmazonALAS-2018-1099
HistoryNov 05, 2018 - 7:35 p.m.

Medium: tomcat7

2018-11-0519:35:00
alas.aws.amazon.com
569

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:N/C:N/I:P/A:N

4.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

0.791 High

EPSS

Percentile

98.3%

Issue Overview:

When the default servlet in Apache Tomcat versions 7.0.23 to 7.0.90 returned a redirect to a directory (e.g. redirecting to ‘/foo/’ when the user requested ‘/foo’) a specially crafted URL could be used to cause the redirect to be generated to any URI of the attackers choice.(CVE-2018-11784)

Affected Packages:

tomcat7

Issue Correction:
Run yum update tomcat7 to update your system.

New Packages:

noarch:  
    tomcat7-7.0.91-1.34.amzn1.noarch  
    tomcat7-docs-webapp-7.0.91-1.34.amzn1.noarch  
    tomcat7-log4j-7.0.91-1.34.amzn1.noarch  
    tomcat7-admin-webapps-7.0.91-1.34.amzn1.noarch  
    tomcat7-jsp-2.2-api-7.0.91-1.34.amzn1.noarch  
    tomcat7-webapps-7.0.91-1.34.amzn1.noarch  
    tomcat7-lib-7.0.91-1.34.amzn1.noarch  
    tomcat7-el-2.2-api-7.0.91-1.34.amzn1.noarch  
    tomcat7-javadoc-7.0.91-1.34.amzn1.noarch  
    tomcat7-servlet-3.0-api-7.0.91-1.34.amzn1.noarch  
  
src:  
    tomcat7-7.0.91-1.34.amzn1.src  

Additional References

Red Hat: CVE-2018-11784

Mitre: CVE-2018-11784

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:N/C:N/I:P/A:N

4.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

0.791 High

EPSS

Percentile

98.3%