Bug 1359145 (CVE-2016-6263)

Summary: CVE-2016-6263 libidn: Crash when given invalid UTF-8 data on input
Product: [Other] Security Response Reporter: Adam Mariš <amaris>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED WONTFIX QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: unspecifiedCC: dkholia, erik-fedora, fweimer, mlichvar, puntogil, rjones, sardella, slawomir
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: libidn 1.33 Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2016-07-28 09:13:35 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 1359146, 1359147, 1359148, 1452750    
Bug Blocks: 1359151    

Description Adam Mariš 2016-07-22 12:03:22 UTC 
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 12:04:48 UTC 
Created libidn tracking bugs for this issue:

Affects: fedora-all [bug 1359146]
Comment 2 Adam Mariš 2016-07-22 12:04:54 UTC 
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 20:18:12 UTC 
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 23:56:11 UTC 
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.