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amazonAmazonALAS-2017-821
HistoryApr 20, 2017 - 6:17 a.m.

Important: tomcat6

2017-04-2006:17:00
alas.aws.amazon.com
15

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.003 Low

EPSS

Percentile

68.3%

Issue Overview:

Incorrect handling of pipelined requests when send file was used:
A bug in the handling of the pipelined requests in Apache Tomcat 9.0.0.M1 to 9.0.0.M18, 8.5.0 to 8.5.12, 8.0.0.RC1 to 8.0.42, 7.0.0 to 7.0.76, and 6.0.0 to 6.0.52, when send file was used, results in the pipelined request being lost when send file processing of the previous request completed. This could result in responses appearing to be sent for the wrong request. For example, a user agent that sent requests A, B and C could see the correct response for request A, the response for request C for request B and no response for request C. (CVE-2017-5647)

Affected Packages:

tomcat6

Issue Correction:
Run yum update tomcat6 to update your system.

New Packages:

noarch:  
    tomcat6-docs-webapp-6.0.53-1.11.amzn1.noarch  
    tomcat6-webapps-6.0.53-1.11.amzn1.noarch  
    tomcat6-admin-webapps-6.0.53-1.11.amzn1.noarch  
    tomcat6-el-2.1-api-6.0.53-1.11.amzn1.noarch  
    tomcat6-servlet-2.5-api-6.0.53-1.11.amzn1.noarch  
    tomcat6-jsp-2.1-api-6.0.53-1.11.amzn1.noarch  
    tomcat6-lib-6.0.53-1.11.amzn1.noarch  
    tomcat6-6.0.53-1.11.amzn1.noarch  
    tomcat6-javadoc-6.0.53-1.11.amzn1.noarch  
  
src:  
    tomcat6-6.0.53-1.11.amzn1.src  

Additional References

Red Hat: CVE-2017-5647

Mitre: CVE-2017-5647

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.003 Low

EPSS

Percentile

68.3%