Bug 1334831 (CVE-2016-4574)

Summary: CVE-2016-4574 libksba: Incomplete fix for CVE-2016-4356
Product: [Other] Security Response Reporter: Andrej Nemec <anemec>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED WONTFIX QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: rdieter, tmraz
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: libksba 1.3.4 Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2019-06-08 02:51:35 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: 1334832    
Bug Blocks: 1211262    

Description Andrej Nemec 2016-05-10 15:36:36 UTC
An incomplete fix for CVE-2016-4356 was reported in libksba. The old fix for the problem from April 2015 had an off-by-one in the bad encoding handing.

Upstream fix:

http://git.gnupg.org/cgi-bin/gitweb.cgi?p=libksba.git;a=commit;h=6be61daac047d8e6aa941eb103f8e71a1d4e3c75

CVE assignment:

http://seclists.org/oss-sec/2016/q2/300

Comment 1 Andrej Nemec 2016-05-10 15:37:04 UTC
Created libksba tracking bugs for this issue:

Affects: fedora-all [bug 1334832]

Comment 2 Fedora Update System 2016-05-14 23:25:55 UTC
libksba-1.3.4-1.fc24 has been pushed to the Fedora 24 stable repository. If problems still persist, please make note of it in this bug report.

Comment 3 Fedora Update System 2016-05-16 22:25:56 UTC
libksba-1.3.4-1.fc23 has been pushed to the Fedora 23 stable repository. If problems still persist, please make note of it in this bug report.