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CVE-2015-8949

9.8 · CRITICAL

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.

Published Aug 19, 2016CWE-416EPSS 4.52%

Overview

CVE-2015-8949 is a critical-severity vulnerability. It was published on August 19, 2016 and has a CVSS 3.0 base score of 9.8 (CRITICAL).

This vulnerability has a CVSS 3.0 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refwww.debian.org/security/2016/dsa-3635Refwww.openwall.com/lists/oss-security/2016/07/25/13Refwww.openwall.com/lists/oss-security/2016/07/27/1Refwww.securityfocus.com/bid/92118Refblog.fuzzing-project.org/50-Use-after-free-in-my_login-function-of-DBDmysql-Perl-module.htmlGitHubgithub.com/perl5-dbi/DBD-mysql/blob/4.033_01/ChangesGitHubgithub.com/perl5-dbi/DBD-mysql/commit/cf0aa7751f6ef8445e9310a64b14dc81460ca156GitHubgithub.com/perl5-dbi/DBD-mysql/pull/45Refsecurity.gentoo.org/glsa/201701-51Refwww.debian.org/security/2016/dsa-3635

How CyberStrike helps

Frequently asked questions

What is CVE-2015-8949?

CVE-2015-8949 is a critical-severity vulnerability. It was published on August 19, 2016 and has a CVSS 3.0 base score of 9.8 (CRITICAL).

How severe is CVE-2015-8949?

This vulnerability has a CVSS 3.0 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2015-8949?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2015-8949?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2015-8949 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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