Bug 1486882 – CVE-2017-14062 libidn2: Integer overflow in puny_decode.c/decode_digit

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Bug 1486882 - (CVE-2017-14062) CVE-2017-14062 libidn2: Integer overflow in puny_decode.c/decode_digit

Summary:	CVE-2017-14062 libidn2: Integer overflow in puny_decode.c/decode_digit

Status:	NEW

Aliases:	CVE-2017-14062

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=20170830,reported=2...
Keywords:	Security

Depends On:	1452750 1486883 1486884 1486885 1488128
Blocks:
	Show dependency tree / graph

Reported:	2017-08-30 13:25 EDT by Pedro Sampaio
Modified:	2018-04-06 11:02 EDT (History)
CC List:	4 users (show)

See Also:
Fixed In Version:	libidn2 2.0.4.1, libidn 1.34-1
Doc Type:	If docs needed, set a value
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RHEL 7.3 requirements from Atomic Host:
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Description Pedro Sampaio 2017-08-30 13:25:43 EDT

A integer overflow was found in libidn2 that could potentialy cause denial of service.

Upstream patch:

http://git.savannah.gnu.org/cgit/libidn/libidn2.git/commit/?h=libidn2-2.0.4&id=3284eb342cd0ed1a18786e3fcdf0cdd7e76676bd

References:

https://bugzilla.novell.com/show_bug.cgi?id=1056450
https://lists.gnu.org/archive/html/info-gnu/2017-08/msg00013.html

Comment 1 Pedro Sampaio 2017-08-30 13:27:11 EDT

Created libidn2 tracking bugs for this issue:

Affects: epel-all [bug 1486884]
Affects: fedora-all [bug 1486885]


Created mingw-libidn2 tracking bugs for this issue:

Affects: fedora-all [bug 1486883]

Comment 2 Pedro Sampaio 2017-09-04 08:01:11 EDT

Created mingw-libidn2 tracking bugs for this issue:

Affects: epel-7 [bug 1488128]

Comment 3 Fedora Update System 2018-04-06 07:09:39 EDT

libidn-1.34-1.fc28 has been pushed to the Fedora 28 stable repository. If problems still persist, please make note of it in this bug report.

Comment 5 Fedora Update System 2018-04-06 11:02:27 EDT

libidn-1.34-1.fc27 has been pushed to the Fedora 27 stable repository. If problems still persist, please make note of it in this bug report.

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