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centosCentOS ProjectCESA-2014:1091
HistoryAug 25, 2014 - 12:17 p.m.

mod_wsgi security update

2014-08-2512:17:55
CentOS Project
lists.centos.org
50

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

0.0004 Low

EPSS

Percentile

5.1%

CentOS Errata and Security Advisory CESA-2014:1091

The mod_wsgi adapter is an Apache module that provides a WSGI-compliant
interface for hosting Python-based web applications within Apache.

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.
(CVE-2014-0240)

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.

Red Hat would like to thank Graham Dumpleton for reporting this issue.
Upstream acknowledges RΓ³bert Kisteleki as the original reporter.

All mod_wsgi users are advised to upgrade to this updated package, which
contains a backported patch to correct this issue.

Merged security bulletin from advisories:
https://lists.centos.org/pipermail/centos-announce/2014-August/082668.html

Affected packages:
mod_wsgi

Upstream details at:
https://access.redhat.com/errata/RHSA-2014:1091

OSVersionArchitecturePackageVersionFilename
CentOS7x86_64mod_wsgi<Β 3.4-12.el7_0mod_wsgi-3.4-12.el7_0.x86_64.rpm

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

0.0004 Low

EPSS

Percentile

5.1%