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Bug 1612103 - (CVE-2018-1000226) CVE-2018-1000226 cobbler: XMLRPC API endpoints are not correctly validating security tokens
CVE-2018-1000226 cobbler: XMLRPC API endpoints are not correctly validating s...
Status: CLOSED WONTFIX
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
high Severity high
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Assigned To: Red Hat Product Security
impact=important,public=20180802,repo...
: Security
Depends On: 1613292 1613293 1613294
Blocks: 1612108
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Reported: 2018-08-03 09:30 EDT by Pedro Sampaio
Modified: 2018-08-22 03:21 EDT (History)
13 users (show)

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Doc Text:
It was found that the cobbler API did not validate the client's token for all methods. An unauthenticated attacker could use this flaw to call sensitive methods without having to authenticate first.
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Last Closed: 2018-08-08 09:28:24 EDT
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RHEL 7.3 requirements from Atomic Host:
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Description Pedro Sampaio 2018-08-03 09:30:26 EDT 
It was found that in cobbler's XMLRPC API there are many places where the user supplied security token is not being correctly validated, effectively resulting in authentication being bypassed.

Upstream issue:

https://github.com/cobbler/cobbler/issues/1916

References:

https://movermeyer.com/2018-08-02-privilege-escalation-exploits-in-cobblers-api/
Comment 1 Cedric Buissart 2018-08-07 07:27:33 EDT 
Created cobbler tracking bugs for this issue:

Affects: epel-all [bug 1613293]
Affects: fedora-all [bug 1613292]
Comment 6 Cedric Buissart 2018-08-08 09:28:34 EDT 
Statement:

The most sensitive function not requiring a valid token is modify_settings(), which is not part of cobbler-2.0.7, the versions shipped Red Hat Enterprise Satellite 5. As such, the flaw is considered with a Medium severity rating on cobbler versions as shipped in Red Hat Enterprise Satellite 5. A future update may address this issue.
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