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amazonAmazonALAS-2015-578
HistoryAug 17, 2015 - 12:23 p.m.

Medium: httpd

2015-08-1712:23:00
alas.aws.amazon.com
17

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

0.062 Low

EPSS

Percentile

93.5%

Issue Overview:

Multiple flaws were found in the way httpd parsed HTTP requests and responses using chunked transfer encoding. A remote attacker could use these flaws to create a specially crafted request, which httpd would decode differently from an HTTP proxy software in front of it, possibly leading to HTTP request smuggling attacks.

Affected Packages:

httpd

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

New Packages:

i686:  
    httpd-devel-2.2.31-1.6.amzn1.i686  
    mod_ssl-2.2.31-1.6.amzn1.i686  
    httpd-tools-2.2.31-1.6.amzn1.i686  
    httpd-debuginfo-2.2.31-1.6.amzn1.i686  
    httpd-2.2.31-1.6.amzn1.i686  
  
noarch:  
    httpd-manual-2.2.31-1.6.amzn1.noarch  
  
src:  
    httpd-2.2.31-1.6.amzn1.src  
  
x86_64:  
    httpd-debuginfo-2.2.31-1.6.amzn1.x86_64  
    httpd-devel-2.2.31-1.6.amzn1.x86_64  
    httpd-tools-2.2.31-1.6.amzn1.x86_64  
    mod_ssl-2.2.31-1.6.amzn1.x86_64  
    httpd-2.2.31-1.6.amzn1.x86_64  

Additional References

Red Hat: CVE-2015-3183

Mitre: CVE-2015-3183

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

0.062 Low

EPSS

Percentile

93.5%