Bug 1178759 - gnupg2: double free in cmd_readkey()
Summary: gnupg2: double free in cmd_readkey()
Keywords:
Status: CLOSED WONTFIX
Alias: None
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1178774 1178775 1178776 1178777 1178778 1178779
Blocks: 1178767
TreeView+ depends on / blocked
 
Reported: 2015-01-05 13:04 UTC by Vasyl Kaigorodov
Modified: 2021-02-17 05:52 UTC (History)
5 users (show)

Fixed In Version: GnuPG 2.1.2
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2015-03-09 16:36:26 UTC
Embargoed:

Attachments (Terms of Use)

Description Vasyl Kaigorodov 2015-01-05 13:04:30 UTC 
Double-free issue was reported [1] in gnupg2:

in scd/command.c 'cert' is freed twice on ksba_cert_new() failure:
...
 778   rc = ksba_cert_new (&kc);
 779   if (rc)
 780     {
 781       xfree (cert);
 782       goto leave;
 783     }
...
 803  leave:
 804   ksba_cert_release (kc);
 805   xfree (cert);

Upstream commit that fixes this:
http://git.gnupg.org/cgi-bin/gitweb.cgi?p=gnupg.git;a=commit;h=b0b3803e8c2959dd67ca96debc54b5c6464f0d41

[1]: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=773471
Comment 2 Vasyl Kaigorodov 2015-01-05 13:23:00 UTC 
Created gnupg2 tracking bugs for this issue:

Affects: fedora-all [bug 1178774]
Comment 3 Vasyl Kaigorodov 2015-03-09 16:36:26 UTC 
Statement:

Red Hat Product Security has rated this issue as having Low security impact. This issue is not currently planned to be addressed in future updates. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.
Comment 4 Fedora Update System 2015-04-18 09:42:02 UTC 
gnupg2-2.0.27-1.fc21 has been pushed to the Fedora 21 stable repository.  If problems still persist, please make note of it in this bug report.
Comment 5 Fedora Update System 2015-04-22 22:37:57 UTC 
gnupg2-2.0.27-1.fc20 has been pushed to the Fedora 20 stable repository.  If problems still persist, please make note of it in this bug report.
Comment 6 Fedora Update System 2015-04-22 22:43:32 UTC 
gnupg2-2.1.2-2.fc22 has been pushed to the Fedora 22 stable repository.  If problems still persist, please make note of it in this bug report.
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