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amazonAmazonALAS-2018-1125
HistoryDec 13, 2018 - 5:27 p.m.

Medium: nginx

2018-12-1317:27:00
alas.aws.amazon.com
111

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

7.8 High

CVSS2

Access Vector

NETWORK

Access 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

0.097 Low

EPSS

Percentile

94.7%

JSON

Issue Overview:

nginx before versions 1.15.6 and 1.14.1 has a vulnerability in the implementation of HTTP/2 that can allow for excessive memory consumption. This issue affects nginx compiled with the ngx_http_v2_module (not compiled by default) if the ‘http2’ option of the ‘listen’ directive is used in a configuration file. (CVE-2018-16843)

nginx before versions 1.15.6 and 1.14.1 has a vulnerability in the implementation of HTTP/2 that can allow for excessive CPU usage. This issue affects nginx compiled with the ngx_http_v2_module (not compiled by default) if the ‘http2’ option of the ‘listen’ directive is used in a configuration file. (CVE-2018-16844)

Affected Packages:

nginx

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

New Packages:

i686:  
    nginx-mod-stream-1.14.1-2.34.amzn1.i686  
    nginx-mod-http-geoip-1.14.1-2.34.amzn1.i686  
    nginx-mod-http-xslt-filter-1.14.1-2.34.amzn1.i686  
    nginx-debuginfo-1.14.1-2.34.amzn1.i686  
    nginx-mod-http-perl-1.14.1-2.34.amzn1.i686  
    nginx-mod-mail-1.14.1-2.34.amzn1.i686  
    nginx-mod-http-image-filter-1.14.1-2.34.amzn1.i686  
    nginx-all-modules-1.14.1-2.34.amzn1.i686  
    nginx-1.14.1-2.34.amzn1.i686  
  
src:  
    nginx-1.14.1-2.34.amzn1.src  
  
x86_64:  
    nginx-all-modules-1.14.1-2.34.amzn1.x86_64  
    nginx-mod-http-image-filter-1.14.1-2.34.amzn1.x86_64  
    nginx-mod-http-perl-1.14.1-2.34.amzn1.x86_64  
    nginx-debuginfo-1.14.1-2.34.amzn1.x86_64  
    nginx-mod-http-geoip-1.14.1-2.34.amzn1.x86_64  
    nginx-mod-mail-1.14.1-2.34.amzn1.x86_64  
    nginx-1.14.1-2.34.amzn1.x86_64  
    nginx-mod-stream-1.14.1-2.34.amzn1.x86_64  
    nginx-mod-http-xslt-filter-1.14.1-2.34.amzn1.x86_64

Additional References

Red Hat: CVE-2018-16843, CVE-2018-16844

Mitre: CVE-2018-16843, CVE-2018-16844

OSVersionArchitecturePackageVersionFilename
Amazon Linux1i686nginx-mod-stream< 1.14.1-2.34.amzn1nginx-mod-stream-1.14.1-2.34.amzn1.i686.rpm
Amazon Linux1i686nginx-mod-http-geoip< 1.14.1-2.34.amzn1nginx-mod-http-geoip-1.14.1-2.34.amzn1.i686.rpm
Amazon Linux1i686nginx-mod-http-xslt-filter< 1.14.1-2.34.amzn1nginx-mod-http-xslt-filter-1.14.1-2.34.amzn1.i686.rpm
Amazon Linux1i686nginx-debuginfo< 1.14.1-2.34.amzn1nginx-debuginfo-1.14.1-2.34.amzn1.i686.rpm
Amazon Linux1i686nginx-mod-http-perl< 1.14.1-2.34.amzn1nginx-mod-http-perl-1.14.1-2.34.amzn1.i686.rpm
Amazon Linux1i686nginx-mod-mail< 1.14.1-2.34.amzn1nginx-mod-mail-1.14.1-2.34.amzn1.i686.rpm
Amazon Linux1i686nginx-mod-http-image-filter< 1.14.1-2.34.amzn1nginx-mod-http-image-filter-1.14.1-2.34.amzn1.i686.rpm
Amazon Linux1i686nginx-all-modules< 1.14.1-2.34.amzn1nginx-all-modules-1.14.1-2.34.amzn1.i686.rpm
Amazon Linux1i686nginx< 1.14.1-2.34.amzn1nginx-1.14.1-2.34.amzn1.i686.rpm
Amazon Linux1x86_64nginx-all-modules< 1.14.1-2.34.amzn1nginx-all-modules-1.14.1-2.34.amzn1.x86_64.rpm
Rows per page:
1-10 of 181

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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

7.8 High

CVSS2

Access Vector

NETWORK

Access 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

0.097 Low

EPSS

Percentile

94.7%

JSON
Related for ALAS-2018-1125
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