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amazonAmazonALAS-2014-375
HistoryJul 09, 2014 - 11:02 p.m.

Important: mod24_wsgi

2014-07-0923:02:00
alas.aws.amazon.com
18

6.2 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

HIGH

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

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

0.071 Low

EPSS

Percentile

94.0%

Issue Overview:

It was found that mod_wsgi did not properly drop privileges if the call to setuid() failed. If mod_wsgi was set up to allow unprivileged users to run WSGI applications, a local user able to run a WSGI application could possibly use this flaw to escalate their privileges on the system. Note: mod_wsgi is not intended to provide privilege separation for WSGI applications. Systems relying on mod_wsgi to limit or sandbox the privileges of mod_wsgi applications should migrate to a different solution with proper privilege separation.

mod_wsgi allows you to host Python applications on the Apache HTTP Server. It was found that a remote attacker could leak portions of a mod_wsgi application’s memory via the Content-Type header.

Affected Packages:

mod24_wsgi

Issue Correction:
Run yum update mod24_wsgi to update your system.

New Packages:

i686:  
    mod24_wsgi-3.5-1.17.amzn1.i686  
    mod24_wsgi-debuginfo-3.5-1.17.amzn1.i686  
    mod24_wsgi-py27-3.5-1.17.amzn1.i686  
  
src:  
    mod24_wsgi-3.5-1.17.amzn1.src  
  
x86_64:  
    mod24_wsgi-py27-3.5-1.17.amzn1.x86_64  
    mod24_wsgi-3.5-1.17.amzn1.x86_64  
    mod24_wsgi-debuginfo-3.5-1.17.amzn1.x86_64  

Additional References

Red Hat: CVE-2014-0240, CVE-2014-0242

Mitre: CVE-2014-0240, CVE-2014-0242

6.2 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

HIGH

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

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

0.071 Low

EPSS

Percentile

94.0%