Bug 1255172 - (CVE-2015-5217) CVE-2015-5217 ipsilon: Input validation flaw in handling of user supplied data
CVE-2015-5217 ipsilon: Input validation flaw in handling of user supplied data
Status: NEW
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
medium Severity medium
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Assigned To: Red Hat Product Security
impact=moderate,public=20150819,repor...
: Security
Depends On: 1255176 1255775
Blocks: 1255174
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Reported: 2015-08-19 16:30 EDT by Kurt Seifried
Modified: 2016-11-08 10:50 EST (History)
6 users (show)

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Fixed In Version:
Doc Type: Bug Fix
Doc Text:
A flaw was discovered that the Ipsilon IdP server did not properly authorize a change of the provider's name. Non-administrative users could use this flaw to change the name to a duplicate value, which could possibly lead to denial-of-service attack.
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Description Kurt Seifried 2015-08-19 16:30:20 EDT
Patrick Uiterwijk of Red Hat reports:

ipsilon does not properly sanitize user provided data in certain data fields.
Comment 1 Kurt Seifried 2015-08-19 16:36:14 EDT
Created ipsilon tracking bugs for this issue:

Affects: fedora-all [bug 1255176]
Comment 3 Stanislav Kontar 2015-08-24 05:12:42 EDT
Acknowledgement:

This issue was discovered by Patrick Uiterwijk of Red Hat.
Comment 4 Stanislav Kontar 2015-08-24 05:36:48 EDT
Analysis:

It was found that Ipsilon does not properly authorize change of the name of the provider. Non-admin users could change the name to a duplicate value which could possibly lead to DoS attack.
Comment 7 Adam Mariš 2015-10-29 12:42:48 EDT
Upstream patch:

https://pagure.io/ipsilon/826e6339441546f596320f3d73304ab5f7c10de6

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