Bug 1359145 – CVE-2016-6263 libidn: Crash when given invalid UTF-8 data on input

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Bug 1359145 - (CVE-2016-6263) CVE-2016-6263 libidn: Crash when given invalid UTF-8 data on input

Summary:	CVE-2016-6263 libidn: Crash when given invalid UTF-8 data on input

Status:	CLOSED WONTFIX

Aliases:	CVE-2016-6263

Product:	Security Response
Classification:	Other
Component:	vulnerability (Show other bugs)
Sub Component:
Version:	unspecified
Hardware:	All Linux

Priority	low Severity low
Target Milestone:	---
Target Release:	---
Assigned To:	Red Hat Product Security
QA Contact:
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URL:
Whiteboard:	impact=low,public=20160114,reported=2...
Keywords:	Security

Depends On:	1359146 1359147 1359148 1452750
Blocks:	1359151
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Reported:	2016-07-22 08:03 EDT by Adam Mariš
Modified:	2018-01-17 10:56 EST (History)
CC List:	8 users (show)

See Also:
Fixed In Version:	libidn 1.33
Doc Type:	If docs needed, set a value
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Clone Of:
Environment:
Last Closed:	2016-07-28 05:13:35 EDT
Type:	---
Regression:	---
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oVirt Team:	---
RHEL 7.3 requirements from Atomic Host:
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Description Adam Mariš 2016-07-22 08:03:22 EDT

It was found that when presented with invalid UTF-8 data, stringprep_utf8_nfkc_normalize reject such input, causing application crash.

Upstream fix:

http://git.savannah.gnu.org/cgit/libidn.git/commit/?id=1fbee57ef3c72db2206dd87e4162108b2f425555
changelog: http://git.savannah.gnu.org/cgit/libidn.git/commit/?id=1d2413555dcd1fef26b80445a00a4637965a2df0

CVE assignment:

http://seclists.org/oss-sec/2016/q3/124

Comment 1 Adam Mariš 2016-07-22 08:04:48 EDT

Created libidn tracking bugs for this issue:

Affects: fedora-all [bug 1359146]

Comment 2 Adam Mariš 2016-07-22 08:04:54 EDT

Created mingw-libidn tracking bugs for this issue:

Affects: fedora-all [bug 1359147]
Affects: epel-7 [bug 1359148]

Comment 3 Fedora Update System 2016-07-24 16:18:12 EDT

libidn-1.33-1.fc24 has been pushed to the Fedora 24 stable repository. If problems still persist, please make note of it in this bug report.

Comment 7 Fedora Update System 2016-08-08 19:56:11 EDT

libidn-1.33-1.fc23 has been pushed to the Fedora 23 stable repository. If problems still persist, please make note of it in this bug report.

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