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amazonAmazonALAS-2016-715
HistoryJun 15, 2016 - 1:30 p.m.

Medium: nginx

2016-06-1513:30:00
alas.aws.amazon.com
9

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

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.022 Low

EPSS

Percentile

89.4%

Issue Overview:

A problem was identified in nginx code responsible for saving client request body to a temporary file. A specially crafted request might result in worker process crash due to a NULL pointer dereference while writing client request body to a temporary file.

Affected Packages:

nginx

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

New Packages:

i686:  
    nginx-debuginfo-1.8.1-3.27.amzn1.i686  
    nginx-1.8.1-3.27.amzn1.i686  
  
src:  
    nginx-1.8.1-3.27.amzn1.src  
  
x86_64:  
    nginx-1.8.1-3.27.amzn1.x86_64  
    nginx-debuginfo-1.8.1-3.27.amzn1.x86_64  

Additional References

Red Hat: CVE-2016-4450

Mitre: CVE-2016-4450

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

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.022 Low

EPSS

Percentile

89.4%