Bug 1360279 (CVE-2015-8949) - CVE-2015-8949 perl-DBD-MySQL: Use after free when my_login fails
Summary: CVE-2015-8949 perl-DBD-MySQL: Use after free when my_login fails
Keywords:
Status: CLOSED WONTFIX
Alias: CVE-2015-8949
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: 1360280
Blocks: 1360282
TreeView+ depends on / blocked
 
Reported: 2016-07-26 11:55 UTC by Adam Mariš
Modified: 2021-06-29 13:45 UTC (History)
10 users (show)

Fixed In Version: perl-DBD-MySQL 4.0.34
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Clone Of:
Environment:
Last Closed: 2016-08-02 09:07:14 UTC
Embargoed:

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Description Adam Mariš 2016-07-26 11:55:50 UTC 
A use-after-free vulnerability in perl-DBD-MySQL was found. When my_login fails, the code tries to call mysql_errno on the mysql connection. However, my_login has already free'd that connection variable, which causes use-after-free error.

Upstream bug:

https://github.com/perl5-dbi/DBD-mysql/pull/45

Upstream patch:

https://github.com/perl5-dbi/DBD-mysql/commit/cf0aa7751f6ef8445e9310a64b14dc81460ca156

CVE request:

http://seclists.org/oss-sec/2016/q3/150
Comment 1 Adam Mariš 2016-07-26 11:56:20 UTC 
Created perl-DBD-MySQL tracking bugs for this issue:

Affects: fedora-all [bug 1360280]
Comment 4 Fedora Update System 2016-08-04 20:53:46 UTC 
perl-DBD-MySQL-4.035-1.fc24 has been pushed to the Fedora 24 stable repository. If problems still persist, please make note of it in this bug report.
Comment 5 Fedora Update System 2016-08-12 01:24:02 UTC 
perl-DBD-MySQL-4.033-2.fc23 has been pushed to the Fedora 23 stable repository. If problems still persist, please make note of it in this bug report.
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