Vulnerability in Oracle MySQL (CVE-2016-6662)
Summary
Vulnerability in Oracle MySQL (CVE-2016-6662). Successful exploitation can lead to full system takeover.
Original description
The description as published by the source.
Oracle MySQL through 5.5.52, 5.6.x through 5.6.33, and 5.7.x through 5.7.15; MariaDB before 5.5.51, 10.0.x before 10.0.27, and 10.1.x before 10.1.17; and Percona Server before 5.5.51-38.1, 5.6.x before 5.6.32-78.0, and 5.7.x before 5.7.14-7 allow local users to create arbitrary configurations and bypass certain protection mechanisms by setting general_log_file to a my.cnf configuration. NOTE: this can be leveraged to execute arbitrary code with root privileges by setting malloc_lib. NOTE: the affected MySQL version information is from Oracle's October 2016 CPU. Oracle has not commented on third-party claims that the issue was silently patched in MySQL 5.5.52, 5.6.33, and 5.7.15.
Auto-generated summary
Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.
A vulnerability tracked as CVE-2016-6662 has been found in Oracle MySQL.
Successful exploitation can lead to full system takeover.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "Oracle MySQL CVE-2016-6662" on the vendor's site.
CVE-2016-6662 (Oracle MySQL)
Attack vector: remote (network-reachable) / unauthenticated / no user interaction
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.
A vulnerability (unclassified) exists in Oracle MySQL.
Check the vendor advisory for the affected versions of Oracle MySQL.
Severity: ?. Successful exploitation can lead to full system takeover.
Update to the patched release per vendor advisory.
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Audit SBOM/dependencies to find affected services.
Response actions
Concrete steps and command examples for SOC/SRE teams to execute in order
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1Identify exposure identify
Audit SBOM/dependencies for affected components.資産台帳・SBOM・依存マニフェストで Oracle MySQL を使っているサービスとバージョンを洗い出す。
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2Post-deployment verification verify
Confirm patched version is live in productionパッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。
Fix status by distribution
Fixed packages published by each distribution for this CVE
- Alpine Linux ALPINE-CVE-2016-6662 mariadb Fixed in: 5.5.51-r0
References
- advisory legalhackers.com
- advisory rhn.redhat.com
- advisory rhn.redhat.com
- advisory rhn.redhat.com
- advisory rhn.redhat.com
- advisory rhn.redhat.com
- advisory rhn.redhat.com
- advisory rhn.redhat.com
- advisory rhn.redhat.com
- advisory rhn.redhat.com
- advisory rhn.redhat.com
- advisory rhn.redhat.com
- advisory rhn.redhat.com
- advisory rhn.redhat.com
- advisory seclists.org
- advisory debian.org
- advisory openwall.com
- advisory securityfocus.com
- advisory securitytracker.com
- advisory mariadb.com
- advisory mariadb.com
- advisory mariadb.com
- advisory security.gentoo.org
- advisory percona.com
- patch oracle.com
- report jira.mariadb.org
- report exploit-db.com