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amazonAmazonALAS-2016-736
HistoryAug 17, 2016 - 1:30 p.m.

Medium: tomcat7, tomcat8

2016-08-1713:30:00
alas.aws.amazon.com
37

7.8 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:N/I:N/A:C

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

0.043 Low

EPSS

Percentile

92.4%

Issue Overview:

A denial of service vulnerability was identified in Commons FileUpload that occurred when the length of the multipart boundary was just below the size of the buffer (4096 bytes) used to read the uploaded file if the boundary was the typical tens of bytes long.

Affected Packages:

tomcat7, tomcat8

Issue Correction:
Run yum update tomcat7 to update your system.
Run yum update tomcat8 to update your system.

New Packages:

noarch:  
    tomcat7-servlet-3.0-api-7.0.70-1.18.amzn1.noarch  
    tomcat7-docs-webapp-7.0.70-1.18.amzn1.noarch  
    tomcat7-log4j-7.0.70-1.18.amzn1.noarch  
    tomcat7-jsp-2.2-api-7.0.70-1.18.amzn1.noarch  
    tomcat7-javadoc-7.0.70-1.18.amzn1.noarch  
    tomcat7-admin-webapps-7.0.70-1.18.amzn1.noarch  
    tomcat7-el-2.2-api-7.0.70-1.18.amzn1.noarch  
    tomcat7-webapps-7.0.70-1.18.amzn1.noarch  
    tomcat7-lib-7.0.70-1.18.amzn1.noarch  
    tomcat7-7.0.70-1.18.amzn1.noarch  
    tomcat8-lib-8.0.36-1.62.amzn1.noarch  
    tomcat8-el-3.0-api-8.0.36-1.62.amzn1.noarch  
    tomcat8-jsp-2.3-api-8.0.36-1.62.amzn1.noarch  
    tomcat8-webapps-8.0.36-1.62.amzn1.noarch  
    tomcat8-8.0.36-1.62.amzn1.noarch  
    tomcat8-docs-webapp-8.0.36-1.62.amzn1.noarch  
    tomcat8-log4j-8.0.36-1.62.amzn1.noarch  
    tomcat8-javadoc-8.0.36-1.62.amzn1.noarch  
    tomcat8-servlet-3.1-api-8.0.36-1.62.amzn1.noarch  
    tomcat8-admin-webapps-8.0.36-1.62.amzn1.noarch  
  
src:  
    tomcat7-7.0.70-1.18.amzn1.src  
    tomcat8-8.0.36-1.62.amzn1.src  

Additional References

Red Hat: CVE-2016-3092

Mitre: CVE-2016-3092

7.8 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:N/I:N/A:C

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

0.043 Low

EPSS

Percentile

92.4%