Bug 1211259 – CVE-2016-4356 libksba: encoding of invalid utf-8 strings in DN decoder src/dn.c (append_quoted, append_atv)

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Bug 1211259 - (CVE-2016-4356) CVE-2016-4356 libksba: encoding of invalid utf-8 strings in DN decoder src/dn.c (append_quoted, append_atv)

Summary:	CVE-2016-4356 libksba: encoding of invalid utf-8 strings in DN decoder src/dn...

Status:	NEW

Aliases:	CVE-2016-4356

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

Priority	medium Severity medium
Target Milestone:	---
Target Release:	---
Assigned To:	Red Hat Product Security
QA Contact:
Docs Contact:

URL:
Whiteboard:	impact=moderate,public=20150408,repor...
Keywords:	Security

Depends On:	1211263
Blocks:	1211262
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Reported:	2015-04-13 09:04 EDT by Vasyl Kaigorodov
Modified:	2016-05-02 04:26 EDT (History)
CC List:	4 users (show)

See Also:
Fixed In Version:	libksba 1.3.3
Doc Type:	Bug Fix
Doc Text:
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Last Closed:
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oVirt Team:	---
RHEL 7.3 requirements from Atomic Host:
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Description Vasyl Kaigorodov 2015-04-13 09:04:12 EDT

Version 1.3.3 of libksba fxes an interger overflow due to incorrect utf-8 strings handling:

http://git.gnupg.org/cgi-bin/gitweb.cgi?p=libksba.git;a=commit;h=243d12fdec66a4360fbb3e307a046b39b5b4ffc3

Comment 1 Vasyl Kaigorodov 2015-04-13 09:10:14 EDT

Created libksba tracking bugs for this issue:

Affects: fedora-all [bug 1211263]

Comment 2 Huzaifa S. Sidhpurwala 2015-05-03 23:27:12 EDT

Statement:

Red Hat Product Security has rated this issue as having moderate security impact, a future update may address this flaw in libksba.

Comment 3 Andrej Nemec 2016-05-02 04:26:19 EDT

CVE assignment:

http://seclists.org/oss-sec/2016/q2/172

It also explains the summary change.

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