CVE-2015-8949: Use After Free
First published: Fri Aug 19 2016(Updated: )
Use-after-free vulnerability in the my_login function in DBD::mysql before 4.033_01 allows attackers to have unspecified impact by leveraging a call to mysql_errno after a failure of my_login.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| dbd-mysql | =4.033 | |
| Debian Linux | =8.0 |
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Reference Links
- http://www.debian.org/security/2016/dsa-3635
- http://www.openwall.com/lists/oss-security/2016/07/25/13
- http://www.openwall.com/lists/oss-security/2016/07/27/1
- http://www.securityfocus.com/bid/92118
- https://blog.fuzzing-project.org/50-Use-after-free-in-my_login-function-of-DBDmysql-Perl-module.html
- https://github.com/perl5-dbi/DBD-mysql/blob/4.033_01/Changes
- https://github.com/perl5-dbi/DBD-mysql/commit/cf0aa7751f6ef8445e9310a64b14dc81460ca156
- https://github.com/perl5-dbi/DBD-mysql/pull/45
- https://security.gentoo.org/glsa/201701-51
Frequently Asked Questions
What is the severity of CVE-2015-8949?
CVE-2015-8949 has a medium severity rating due to its potential impact on application stability.
How do I fix CVE-2015-8949?
To fix CVE-2015-8949, upgrade to DBD::mysql version 4.033_01 or later.
What systems are affected by CVE-2015-8949?
CVE-2015-8949 affects DBD::mysql version prior to 4.033_01 and Debian GNU/Linux version 8.0.
What causes the CVE-2015-8949 vulnerability?
CVE-2015-8949 is caused by a use-after-free issue in the my_login function in DBD::mysql.
Can CVE-2015-8949 be exploited remotely?
Yes, CVE-2015-8949 could potentially be exploited by attackers leveraging specific MySQL function calls.
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